General
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Target
JJSploit.exe
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Size
305KB
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Sample
241205-agpnjsyjgw
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MD5
515ebbb324353bb1d90cf1da9d7979a7
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SHA1
4f8c4e8d9a4d187fcefd3f83629cdbb0919d2281
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SHA256
8ce258cbd6a16100e4426017ba842a2822c0cd0e59ba361cf731d474d45a090d
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SHA512
b45bb1d0e9beee86d702a3c9d6490398b260f65311b7c04d97cf4eb8df85ba2081f752aa1ef5b0df350ed14796e42b636f559c4cd689f3a416dfc8ed6fa64e42
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SSDEEP
6144:ZloZMzrIkd8g+EtXHkv/iD4/pmHAmB5Kb/Cwhl0Hyb8e1mcDiDDIQgbUX07P1d7:roZcL+EP8/pmHAmB5Kb/Cwhl0ekDk5d7
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1305739020529045617/mC83XwO606BUXBYGCOS54tg62bfXdokTu6f0THs2Nit_oCx2sem7ZnmP0IZG3hgdHkdL
Targets
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Target
JJSploit.exe
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Size
305KB
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MD5
515ebbb324353bb1d90cf1da9d7979a7
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SHA1
4f8c4e8d9a4d187fcefd3f83629cdbb0919d2281
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SHA256
8ce258cbd6a16100e4426017ba842a2822c0cd0e59ba361cf731d474d45a090d
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SHA512
b45bb1d0e9beee86d702a3c9d6490398b260f65311b7c04d97cf4eb8df85ba2081f752aa1ef5b0df350ed14796e42b636f559c4cd689f3a416dfc8ed6fa64e42
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SSDEEP
6144:ZloZMzrIkd8g+EtXHkv/iD4/pmHAmB5Kb/Cwhl0Hyb8e1mcDiDDIQgbUX07P1d7:roZcL+EP8/pmHAmB5Kb/Cwhl0ekDk5d7
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Detect Umbral payload
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Umbral family
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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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Drops file in Drivers directory
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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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MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1