General
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Target
e05acea94e72eacc59d3180543957e5c_JaffaCakes118
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Size
293KB
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Sample
240406-kl25jsee6w
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MD5
e05acea94e72eacc59d3180543957e5c
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SHA1
633393001e83b72785fce0aebbe1f3290b26c27a
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SHA256
9303d30aa5e5468492f198074da31f39485f03d09c0e958199c2eb78ec4d9a47
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SHA512
e870dc844740e660da6329ee2b598003621fe7bec9227f49c88b697536a0e1ff4b35de125190672fcdbe9f7fdc3afa48b325149376283e2a45887841ff66f118
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SSDEEP
6144:Ll0eMClIYaiZk9H3/r7q4egW1iKR4sR1mvNcJ92NgmDz5br1vIHzG:h/DlIYYrpSnR4sbmvNxgm5brVIHzG
Static task
static1
Behavioral task
behavioral1
Sample
e05acea94e72eacc59d3180543957e5c_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e05acea94e72eacc59d3180543957e5c_JaffaCakes118.exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
C:\$Recycle.Bin\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Extracted
C:\$Recycle.Bin\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Targets
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Target
e05acea94e72eacc59d3180543957e5c_JaffaCakes118
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Size
293KB
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MD5
e05acea94e72eacc59d3180543957e5c
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SHA1
633393001e83b72785fce0aebbe1f3290b26c27a
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SHA256
9303d30aa5e5468492f198074da31f39485f03d09c0e958199c2eb78ec4d9a47
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SHA512
e870dc844740e660da6329ee2b598003621fe7bec9227f49c88b697536a0e1ff4b35de125190672fcdbe9f7fdc3afa48b325149376283e2a45887841ff66f118
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SSDEEP
6144:Ll0eMClIYaiZk9H3/r7q4egW1iKR4sR1mvNcJ92NgmDz5br1vIHzG:h/DlIYYrpSnR4sbmvNxgm5brVIHzG
Score10/10-
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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Renames multiple (7359) 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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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