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{
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"Event" : {
"analysis" : "2" ,
"date" : "2017-07-17" ,
"extends_uuid" : "" ,
"info" : "OSINT - Reyptson Ransomware Spams Your Friends by Stealing Thunderbird Contacts" ,
"publish_timestamp" : "1503930287" ,
"published" : true ,
"threat_level_id" : "3" ,
"timestamp" : "1503930256" ,
"uuid" : "59a3c405-c348-4f7f-be23-4689950d210f" ,
"Orgc" : {
"name" : "CIRCL" ,
"uuid" : "55f6ea5e-2c60-40e5-964f-47a8950d210f"
} ,
"Tag" : [
{
"colour" : "#004646" ,
"local" : "0" ,
"name" : "type:OSINT" ,
"relationship_type" : ""
} ,
{
"colour" : "#ffffff" ,
"local" : "0" ,
"name" : "tlp:white" ,
"relationship_type" : ""
} ,
{
"colour" : "#2c4f00" ,
"local" : "0" ,
"name" : "malware_classification:malware-category=\"Ransomware\"" ,
"relationship_type" : ""
} ,
{
"colour" : "#00223b" ,
"local" : "0" ,
"name" : "osint:source-type=\"blog-post\"" ,
"relationship_type" : ""
}
] ,
"Attribute" : [
{
"category" : "External analysis" ,
"comment" : "" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : false ,
"type" : "link" ,
"uuid" : "59a3c412-a798-4bac-a9fb-4e78950d210f" ,
"value" : "https://www.bleepingcomputer.com/news/security/reyptson-ransomware-spams-your-friends-by-stealing-thunderbird-contacts/" ,
"Tag" : [
{
"colour" : "#00223b" ,
"local" : "0" ,
"name" : "osint:source-type=\"blog-post\"" ,
"relationship_type" : ""
}
]
} ,
{
"category" : "External analysis" ,
"comment" : "" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : false ,
"type" : "comment" ,
"uuid" : "59a3c425-96e8-4994-8678-4328950d210f" ,
"value" : "Over the weekend, Emsisoft security researcher xXToffeeXx discovered a new ransomware called Reyptson that is targeting Spanish victims. Since then, we have seen increased activity in the ransomware's developmen. Today security researcher MalwareHunterTeam took a deeper look and noticed that Reyptson conducts its own spam distribution campaign directly from a victim's configured Thunderbird email account." ,
"Tag" : [
{
"colour" : "#00223b" ,
"local" : "0" ,
"name" : "osint:source-type=\"blog-post\"" ,
"relationship_type" : ""
}
]
} ,
{
"category" : "Payload delivery" ,
"comment" : "" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "sha256" ,
"uuid" : "59a3c47e-c8fc-4e69-a23d-4032950d210f" ,
"value" : "e6d549543863cd3eb7d92436739a66da4b2cc1a9d40267c4bb2b2fa50bf42f41"
} ,
{
"category" : "Network activity" ,
"comment" : "Network Communication" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "url" ,
"uuid" : "59a3c4ac-96dc-4757-b78e-44c2950d210f" ,
"value" : "http://www.melvinmusicals.com/facefiles/"
} ,
{
"category" : "Network activity" ,
"comment" : "Network Communication" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "url" ,
"uuid" : "59a3c4ac-86e4-408d-8a01-443f950d210f" ,
"value" : "http://37z2akkbd3vqphw5.onion/?usuario=[user_id]&pass=[password]"
} ,
{
"category" : "Network activity" ,
"comment" : "Network Communication" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "url" ,
"uuid" : "59a3c4ac-0c14-4663-92ab-4512950d210f" ,
"value" : "http://37z2akkbd3vqphw5.onion.link/?usuario=[user_id]&pass=[password]"
} ,
{
"category" : "Persistence mechanism" ,
"comment" : "Files associated with the Reyptson Ransomware" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : false ,
"type" : "regkey" ,
"uuid" : "59a3c4c9-c7a0-44fe-9e4b-48f4950d210f" ,
"value" : "%AppData%\\Spotify\\"
} ,
{
"category" : "Persistence mechanism" ,
"comment" : "Files associated with the Reyptson Ransomware" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : false ,
"type" : "regkey" ,
"uuid" : "59a3c4c9-367c-490f-8e63-4f95950d210f" ,
"value" : "%AppData%\\Spotify\\SpotifyWebHelper\\"
} ,
{
"category" : "Persistence mechanism" ,
"comment" : "Files associated with the Reyptson Ransomware" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : false ,
"type" : "regkey" ,
"uuid" : "59a3c4c9-57e4-41b4-aa63-4f1c950d210f" ,
"value" : "%AppData%\\Spotify\\SpotifyWebHelper\\dat"
} ,
{
"category" : "Persistence mechanism" ,
"comment" : "Files associated with the Reyptson Ransomware" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : false ,
"type" : "regkey" ,
"uuid" : "59a3c4c9-e1bc-44c1-b7aa-455e950d210f" ,
"value" : "%AppData%\\Spotify\\SpotifyWebHelper\\fin"
} ,
{
"category" : "Payload delivery" ,
"comment" : "Files associated with the Reyptson Ransomware" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "filename" ,
"uuid" : "59a3c4c9-7754-44d9-8771-4374950d210f" ,
"value" : "%AppData%\\Spotify\\SpotifyWebHelper\\Reyptson.pdf"
} ,
{
"category" : "Payload delivery" ,
"comment" : "Files associated with the Reyptson Ransomware" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "filename" ,
"uuid" : "59a3c4c9-3ec8-44b9-ba6c-473a950d210f" ,
"value" : "%AppData%\\Spotify\\SpotifyWebHelper\\Spotify.vbs"
} ,
{
"category" : "Payload delivery" ,
"comment" : "Files associated with the Reyptson Ransomware" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "filename" ,
"uuid" : "59a3c4c9-bd8c-401a-a80f-4f45950d210f" ,
"value" : "%AppData%\\Spotify\\SpotifyWebHelper\\SpotifyWebHelper.exe"
} ,
{
"category" : "Persistence mechanism" ,
"comment" : "Registry Entries associated with the Reyptson Ransomware" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : false ,
"type" : "regkey" ,
"uuid" : "59a3c4ec-a138-4c6b-9aa9-4f6e950d210f" ,
"value" : "HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\Spotify v1.0"
} ,
{
"category" : "Payload delivery" ,
"comment" : "- Xchecked via VT: e6d549543863cd3eb7d92436739a66da4b2cc1a9d40267c4bb2b2fa50bf42f41" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "sha1" ,
"uuid" : "59a4278d-37dc-4037-9f6d-8ca302de0b81" ,
"value" : "4f1ea82120a614b9162b5daf78ec760beded7108"
} ,
{
"category" : "Payload delivery" ,
"comment" : "- Xchecked via VT: e6d549543863cd3eb7d92436739a66da4b2cc1a9d40267c4bb2b2fa50bf42f41" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : true ,
"type" : "md5" ,
"uuid" : "59a4278d-d9fc-4638-8d85-8ca302de0b81" ,
"value" : "abc1e16a88953e6dadb040479b1af27e"
} ,
{
"category" : "External analysis" ,
"comment" : "- Xchecked via VT: e6d549543863cd3eb7d92436739a66da4b2cc1a9d40267c4bb2b2fa50bf42f41" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1503930253" ,
"to_ids" : false ,
"type" : "link" ,
"uuid" : "59a4278d-5d80-4217-87ec-8ca302de0b81" ,
"value" : "https://www.virustotal.com/file/e6d549543863cd3eb7d92436739a66da4b2cc1a9d40267c4bb2b2fa50bf42f41/analysis/1503310178/"
}
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]
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}
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}