General
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Target
skuld.exe
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Size
9.5MB
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Sample
240513-vc3d3afe62
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MD5
4f249325a0f606af8f695f07fac203da
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SHA1
33068d5218d9769d8f9b2516c5b74eef7ff2341d
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SHA256
238630f53d4f94f5fd8644bcfcb863966c25f0795c156e72676742eb0bc6148d
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SHA512
f70629e80af5cfd5e73203588131a849ccf9b802f8ee06453b646dd62f18818d4497e6393dab04554db2536cbd04e17c396e237e241f0b55ce0cad36a513ea92
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SSDEEP
98304:yJ0A3hYgNumHEMVr90ch7tp0Eb6SF84v3X:dehYgPkE90chxpNb/v3X
Static task
static1
Behavioral task
behavioral1
Sample
skuld.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
skuld.exe
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
skuld.exe
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Size
9.5MB
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MD5
4f249325a0f606af8f695f07fac203da
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SHA1
33068d5218d9769d8f9b2516c5b74eef7ff2341d
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SHA256
238630f53d4f94f5fd8644bcfcb863966c25f0795c156e72676742eb0bc6148d
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SHA512
f70629e80af5cfd5e73203588131a849ccf9b802f8ee06453b646dd62f18818d4497e6393dab04554db2536cbd04e17c396e237e241f0b55ce0cad36a513ea92
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SSDEEP
98304:yJ0A3hYgNumHEMVr90ch7tp0Eb6SF84v3X:dehYgPkE90chxpNb/v3X
Score8/10-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Drops file in Drivers directory
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1