General
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Target
2024-06-16_4e4693c60003209053327a6f692a77d4_avoslocker_magniber_revil
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Size
6.0MB
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Sample
240616-lfnweayard
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MD5
4e4693c60003209053327a6f692a77d4
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SHA1
342d78fb28169dd70a987ff95e1716fbbbb2cc68
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SHA256
3c34a8beaef3f8410fa26e6ac460ca13155fc6095b10277024fd7ff8c39f8415
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SHA512
baeee6104846efc490e5062a5df171fe1e6ef8e84ab23abd5eb898fe6e091aed81ec1e8e7c863f68012f5398b69bb05a41eb727f421e526ae4bce6df4ef6f2ad
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SSDEEP
98304:S3stJARnrlGCG8z1Anqn4UJw//4ENvIPpHdVorLu4TK/O4YPk6ZD5r:BjQnRT1MEzJ4vItor64Sa8k1r
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-16_4e4693c60003209053327a6f692a77d4_avoslocker_magniber_revil.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-16_4e4693c60003209053327a6f692a77d4_avoslocker_magniber_revil.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
2024-06-16_4e4693c60003209053327a6f692a77d4_avoslocker_magniber_revil
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Size
6.0MB
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MD5
4e4693c60003209053327a6f692a77d4
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SHA1
342d78fb28169dd70a987ff95e1716fbbbb2cc68
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SHA256
3c34a8beaef3f8410fa26e6ac460ca13155fc6095b10277024fd7ff8c39f8415
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SHA512
baeee6104846efc490e5062a5df171fe1e6ef8e84ab23abd5eb898fe6e091aed81ec1e8e7c863f68012f5398b69bb05a41eb727f421e526ae4bce6df4ef6f2ad
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SSDEEP
98304:S3stJARnrlGCG8z1Anqn4UJw//4ENvIPpHdVorLu4TK/O4YPk6ZD5r:BjQnRT1MEzJ4vItor64Sa8k1r
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Defense Evasion
Modify Registry
3Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1