General
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Target
2024-09-29_71d2d9d4bba55fbeb4fc72b02cb59fd4_gandcrab_karagany
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Size
139KB
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Sample
240929-1aqkda1erq
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MD5
71d2d9d4bba55fbeb4fc72b02cb59fd4
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SHA1
e94cf01a3b9cc7078cc8f28962eeade727608369
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SHA256
a4202438c4f0382d1130e196f3c9bcfafa1976e9dbbe69d1dd5b31b51c13b358
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SHA512
2813ccb30b970ea6598b30a557612fa8bf343b6b98e4f2696b10c33b5415ad4ee23af86f2b587d86fecd289981fcaf6ebdd5b88bc1148fd37c03a2b704b78046
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SSDEEP
1536:JLMVCWvZ8URtqOz3d+1Qs6H9Mk2e3E2avMWC3yMgYxf6+okbdWsWjcdpECaIxWzx:VM9ntZ3s1QJdnU2SQdf64ZZSCaIxWech
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-29_71d2d9d4bba55fbeb4fc72b02cb59fd4_gandcrab_karagany.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-09-29_71d2d9d4bba55fbeb4fc72b02cb59fd4_gandcrab_karagany.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\MSOCache\YEEVYKKFO-DECRYPT.txt
http://gandcrabmfe6mnef.onion/7fe9ba1aafb1f6c2
Extracted
F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\YZRCORARA-DECRYPT.txt
http://gandcrabmfe6mnef.onion/b59203a56326e59e
Targets
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Target
2024-09-29_71d2d9d4bba55fbeb4fc72b02cb59fd4_gandcrab_karagany
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Size
139KB
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MD5
71d2d9d4bba55fbeb4fc72b02cb59fd4
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SHA1
e94cf01a3b9cc7078cc8f28962eeade727608369
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SHA256
a4202438c4f0382d1130e196f3c9bcfafa1976e9dbbe69d1dd5b31b51c13b358
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SHA512
2813ccb30b970ea6598b30a557612fa8bf343b6b98e4f2696b10c33b5415ad4ee23af86f2b587d86fecd289981fcaf6ebdd5b88bc1148fd37c03a2b704b78046
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SSDEEP
1536:JLMVCWvZ8URtqOz3d+1Qs6H9Mk2e3E2avMWC3yMgYxf6+okbdWsWjcdpECaIxWzx:VM9ntZ3s1QJdnU2SQdf64ZZSCaIxWech
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (284) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Drops startup file
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Defense Evasion
Indicator Removal
1File Deletion
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1