General
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Target
4f4cefde786d2d2fe0f061cfcceca68f
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Size
4.1MB
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Sample
240110-ck3exsbgel
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MD5
4f4cefde786d2d2fe0f061cfcceca68f
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SHA1
1f1371328250d3857500b5c8a727aa676e1c95f5
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SHA256
d8450b72d767c68655bc4e8482f3b887f3e68b5643127a6836e84a11e4082161
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SHA512
313b48009362960ce9745021006ddbdaacd9b3699f0289bc7bf124d74b0a9cd7571d10d7dce5677dda494ea6f476a82f73f72d3c2657e22894797b00f3ea790d
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SSDEEP
49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCFzSlNHydXboE+2pKWTvP6p9kB/GS0fsR:ISjydNCYn0+WSjydNCYn0+B
Static task
static1
Behavioral task
behavioral1
Sample
4f4cefde786d2d2fe0f061cfcceca68f.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4f4cefde786d2d2fe0f061cfcceca68f.exe
Resource
win10v2004-20231215-en
Malware Config
Targets
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Target
4f4cefde786d2d2fe0f061cfcceca68f
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Size
4.1MB
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MD5
4f4cefde786d2d2fe0f061cfcceca68f
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SHA1
1f1371328250d3857500b5c8a727aa676e1c95f5
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SHA256
d8450b72d767c68655bc4e8482f3b887f3e68b5643127a6836e84a11e4082161
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SHA512
313b48009362960ce9745021006ddbdaacd9b3699f0289bc7bf124d74b0a9cd7571d10d7dce5677dda494ea6f476a82f73f72d3c2657e22894797b00f3ea790d
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SSDEEP
49152:ISlNHydXboE+2pKWTvP6p9kB/GS0fsXCFzSlNHydXboE+2pKWTvP6p9kB/GS0fsR:ISjydNCYn0+WSjydNCYn0+B
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