General
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Target
PulseLoader 3.4 x64.exe
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Size
234KB
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Sample
240509-cl5axafe34
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MD5
dece225e18c1c2791fed6062c97a6322
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SHA1
06d68036d8da0fb7b45a33bcfc14d8f72c9e68a8
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SHA256
e13794d15691acbbd898adcbbca15b903ee738c46ad7237d5d8e018385eeb4e0
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SHA512
1c1da44b6aa350751877ddda9d7d12b087bc9c4cbf73449bacbdcb2a4a510f92dbfb21f11f9e5613a9cb9ad570dd9096ebe278b6cd4d066c344975e1c8e76350
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SSDEEP
6144:MloZM+rIkd8g+EtXHkv/iD4xIyh4+ZRSJ3q459ckNb8e1mxi:KoZtL+EP8xIyh4+ZRSJ3q459cUD
Behavioral task
behavioral1
Sample
PulseLoader 3.4 x64.exe
Resource
win7-20240220-en
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1231093581062602752/vcrat7EkKCV38BURmsdzcMmSm7QaSMObalNgUXiYQsrZMhOh6NlibqaXOS4ZDY3Bx3Fl
Targets
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Target
PulseLoader 3.4 x64.exe
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Size
234KB
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MD5
dece225e18c1c2791fed6062c97a6322
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SHA1
06d68036d8da0fb7b45a33bcfc14d8f72c9e68a8
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SHA256
e13794d15691acbbd898adcbbca15b903ee738c46ad7237d5d8e018385eeb4e0
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SHA512
1c1da44b6aa350751877ddda9d7d12b087bc9c4cbf73449bacbdcb2a4a510f92dbfb21f11f9e5613a9cb9ad570dd9096ebe278b6cd4d066c344975e1c8e76350
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SSDEEP
6144:MloZM+rIkd8g+EtXHkv/iD4xIyh4+ZRSJ3q459ckNb8e1mxi:KoZtL+EP8xIyh4+ZRSJ3q459cUD
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Detect Umbral payload
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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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Legitimate hosting services abused for malware hosting/C2
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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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