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{
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"Event" : {
"analysis" : "2" ,
"date" : "2018-03-24" ,
"extends_uuid" : "" ,
"info" : "OSINT - The DiskWriter or UselessDisk BootLocker May Be A Wiper" ,
"publish_timestamp" : "1523201513" ,
"published" : true ,
"threat_level_id" : "3" ,
"timestamp" : "1523201507" ,
"uuid" : "5ac6140f-5964-4eb8-81bd-4095950d210f" ,
"Orgc" : {
"name" : "CIRCL" ,
"uuid" : "55f6ea5e-2c60-40e5-964f-47a8950d210f"
} ,
"Tag" : [
{
"colour" : "#ffffff" ,
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"local" : false ,
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"name" : "tlp:white" ,
"relationship_type" : ""
} ,
{
"colour" : "#00223b" ,
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"local" : false ,
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"name" : "osint:source-type=\"blog-post\"" ,
"relationship_type" : ""
} ,
{
"colour" : "#0088cc" ,
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"local" : false ,
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"name" : "misp-galaxy:tool=\"UselessDisk\"" ,
"relationship_type" : ""
}
] ,
"Attribute" : [
{
"category" : "External analysis" ,
"comment" : "" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1523200401" ,
"to_ids" : false ,
"type" : "link" ,
"uuid" : "5ac61454-3594-46fd-8de1-3be0950d210f" ,
"value" : "https://www.bleepingcomputer.com/news/security/the-diskwriter-or-uselessdisk-bootlocker-may-be-a-wiper/" ,
"Tag" : [
{
"colour" : "#00223b" ,
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"local" : false ,
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"name" : "osint:source-type=\"blog-post\"" ,
"relationship_type" : ""
}
]
} ,
{
"category" : "External analysis" ,
"comment" : "" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1523200402" ,
"to_ids" : false ,
"type" : "comment" ,
"uuid" : "5ac61490-bc28-4c77-9fd7-4e33950d210f" ,
"value" : "A new MBR bootlocker called DiskWriter, or UselessDisk, has been discovered that overwrites the MBR of a victim's computer and then displays a ransom screen on reboot instead of booting into Windows. This ransom note asks for $300 in bitcoins in order to gain access to Windows again." ,
"Tag" : [
{
"colour" : "#00223b" ,
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"local" : false ,
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"name" : "osint:source-type=\"blog-post\"" ,
"relationship_type" : ""
}
]
} ,
{
"category" : "Payload delivery" ,
"comment" : "" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1523200402" ,
"to_ids" : true ,
"type" : "filename" ,
"uuid" : "5ac619b3-39f4-4bdc-a22f-3be0950d210f" ,
"value" : "DiskWriter.exe"
} ,
{
"category" : "Payload delivery" ,
"comment" : "" ,
"deleted" : false ,
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"timestamp" : "1523200402" ,
"to_ids" : true ,
"type" : "filename" ,
"uuid" : "5ac619b3-b258-4e49-9904-3be0950d210f" ,
"value" : "UselessDisk.exe"
} ,
{
"category" : "Payload delivery" ,
"comment" : "" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1523200403" ,
"to_ids" : true ,
"type" : "filename" ,
"uuid" : "5ac619b4-3ee4-4c02-9e4c-3be0950d210f" ,
"value" : "E:\\Debug\\UselessDisk.pdb"
} ,
{
"category" : "Payload delivery" ,
"comment" : "" ,
"deleted" : false ,
"disable_correlation" : false ,
"timestamp" : "1522932166" ,
"to_ids" : true ,
"type" : "sha256" ,
"uuid" : "5ac619c6-84f0-4be7-b49c-4511950d210f" ,
"value" : "bf664370a287f83a67eb9ec01d575cad3bcdfbec2e2290a5e8d570999566e79e"
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{
"category" : "Artifacts dropped" ,
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"disable_correlation" : false ,
"timestamp" : "1523201493" ,
"to_ids" : true ,
"type" : "pdb" ,
"uuid" : "5aca35d5-3dd4-487d-bb2a-621b02de0b81" ,
"value" : "E:\\Debug\\UselessDisk.pdb"
}
] ,
"Object" : [
{
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"description" : "An address used in a cryptocurrency" ,
"meta-category" : "financial" ,
"name" : "coin-address" ,
"template_uuid" : "d0e6997e-78da-4815-a6a1-cfc1c1cb8a46" ,
"template_version" : "2" ,
"timestamp" : "1522931877" ,
"uuid" : "5ac618a5-04fc-424c-b54d-43e7950d210f" ,
"Attribute" : [
{
"category" : "Financial fraud" ,
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"object_relation" : "address" ,
"timestamp" : "1522931877" ,
"to_ids" : true ,
"type" : "btc" ,
"uuid" : "5ac618a5-2194-4990-a478-4713950d210f" ,
"value" : "1GZCw453MzQr8V2VAgJpRmKBYRDUJ8kzco"
} ,
{
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"disable_correlation" : false ,
"object_relation" : "symbol" ,
"timestamp" : "1522931878" ,
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"uuid" : "5ac618a6-7594-437a-bcfe-42d5950d210f" ,
"value" : "BTC"
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"relationship_type" : "analysed-with" ,
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"uuid" : "5aca3196-9f14-4808-8b48-61c702de0b81"
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"Attribute" : [
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"object_relation" : "sha1" ,
"timestamp" : "1523200403" ,
"to_ids" : true ,
"type" : "sha1" ,
"uuid" : "5aca3193-cbec-467d-b20d-61c702de0b81" ,
"value" : "363605836bf4ee34d9dfb43a6e71acdfd2b2cebe"
} ,
{
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"object_relation" : "sha256" ,
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{
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"object_relation" : "md5" ,
"timestamp" : "1523200404" ,
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"uuid" : "5aca3194-103c-4716-8158-61c702de0b81" ,
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{
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"description" : "VirusTotal report" ,
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"timestamp" : "1523200405" ,
"uuid" : "5d9c2b1a-eb9d-409e-9145-b203188a65aa" ,
"Attribute" : [
{
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"object_relation" : "permalink" ,
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{
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"object_relation" : "detection-ratio" ,
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"uuid" : "5aca3195-0948-47b7-b12b-61c702de0b81" ,
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{
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"value" : "2018-03-28T07:12:22"
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}
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]
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}
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}