General
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Target
3ac926d3bca5450ce48d10c253700ae4_JaffaCakes118
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Size
212KB
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Sample
240512-srr6jaca91
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MD5
3ac926d3bca5450ce48d10c253700ae4
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SHA1
0a918e434b1f8e125fb23a71c7317e6b16f3df23
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SHA256
b0fa28ac0f0657906df6312a22baf99111cbf27afeaab98c92eeba4b07fddeaa
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SHA512
ef62bc011a2fdff15b466f798bcbe5c4308e925fb1240d7621f65ede89432a329e00c80a917cc5be401b7029a2c5a497a9bc09436c3f1c05259a2e3479c581c5
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SSDEEP
6144:Via1gMHvEXtAuL5Qnqn64DQFu/U3buRKlemZ9DnGAe+hH+8:VIMH2Gw5Qb4DQFu/U3buRKlemZ9DnGAV
Behavioral task
behavioral1
Sample
3ac926d3bca5450ce48d10c253700ae4_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3ac926d3bca5450ce48d10c253700ae4_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
C:\Program Files\Java\jdk1.7.0_80\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Extracted
C:\Program Files\dotnet\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Targets
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Target
3ac926d3bca5450ce48d10c253700ae4_JaffaCakes118
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Size
212KB
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MD5
3ac926d3bca5450ce48d10c253700ae4
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SHA1
0a918e434b1f8e125fb23a71c7317e6b16f3df23
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SHA256
b0fa28ac0f0657906df6312a22baf99111cbf27afeaab98c92eeba4b07fddeaa
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SHA512
ef62bc011a2fdff15b466f798bcbe5c4308e925fb1240d7621f65ede89432a329e00c80a917cc5be401b7029a2c5a497a9bc09436c3f1c05259a2e3479c581c5
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SSDEEP
6144:Via1gMHvEXtAuL5Qnqn64DQFu/U3buRKlemZ9DnGAe+hH+8:VIMH2Gw5Qb4DQFu/U3buRKlemZ9DnGAV
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Buran
Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
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Detects Zeppelin payload
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Zeppelin Ransomware
Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (7385) 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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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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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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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
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Indicator Removal
2File Deletion
2Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1