General
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Target
b9f3c3ea9f8b42f3a71060746bc368e8
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Size
1.9MB
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Sample
240307-3mpjyshd35
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MD5
b9f3c3ea9f8b42f3a71060746bc368e8
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SHA1
1446cc187014e58ccf2625e2287c4bb228dc482a
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SHA256
a57903a50f7b557c982269103c5ce82114b53909bc36b42888f1cc7769d76e44
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SHA512
92919c2cc62f98440d0a12a5de4d5b0995481ff9b6b88086ebd4a8f80320b38422896ac12cf6bd0fb54d03be8285f4fb90b3372e3c1d167ddd762172abee4242
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SSDEEP
49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCFE:ISjydNCYn0+9
Static task
static1
Behavioral task
behavioral1
Sample
b9f3c3ea9f8b42f3a71060746bc368e8.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b9f3c3ea9f8b42f3a71060746bc368e8.exe
Resource
win10v2004-20240226-en
Malware Config
Targets
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Target
b9f3c3ea9f8b42f3a71060746bc368e8
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Size
1.9MB
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MD5
b9f3c3ea9f8b42f3a71060746bc368e8
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SHA1
1446cc187014e58ccf2625e2287c4bb228dc482a
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SHA256
a57903a50f7b557c982269103c5ce82114b53909bc36b42888f1cc7769d76e44
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SHA512
92919c2cc62f98440d0a12a5de4d5b0995481ff9b6b88086ebd4a8f80320b38422896ac12cf6bd0fb54d03be8285f4fb90b3372e3c1d167ddd762172abee4242
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SSDEEP
49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCFE:ISjydNCYn0+9
Score10/10-
Modifies visiblity of hidden/system files in Explorer
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Adds Run key to start application
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Virtualization/Sandbox Evasion
2