General
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Target
1f577c6f861c87a6998b30e75de33246_JaffaCakes118
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Size
395KB
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Sample
240507-eb6gbsgf5v
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MD5
1f577c6f861c87a6998b30e75de33246
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SHA1
109846d60ef48057cef383ceb2ab0ef56a5b7e53
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SHA256
4d6c7f67cf774e66779f8f31440ec1d86fb4d7a93b473b9e1d4ea6af0f77a5c7
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SHA512
204dd1a5fcd5ec50ae61be3310a50c139e459adb9855b7ce51c53caec3d0628e228a18cc5450fba31eb8a7dde288b07d7a447b9b09edda7965779b49e951a787
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SSDEEP
6144:3myHvNqRbPD0MNja+o0Is37qeG/AJuzhwvTrUWU6sXQFJEES6fiJYu65syhrv8M:FygMRWsL2hwLQGsXQ7JNiauqsyhrZ
Static task
static1
Behavioral task
behavioral1
Sample
1f577c6f861c87a6998b30e75de33246_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
1f577c6f861c87a6998b30e75de33246_JaffaCakes118.exe
Resource
win10v2004-20240419-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+veeje.txt
http://t54ndnku456ngkwsudqer.wallymac.com/45FF7EFEE2ADE455
http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/45FF7EFEE2ADE455
http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/45FF7EFEE2ADE455
http://k7tlx3ghr3m4n2tu.onion/45FF7EFEE2ADE455
Extracted
C:\Program Files\7-Zip\Lang\_ReCoVeRy_+wyrkf.txt
http://t54ndnku456ngkwsudqer.wallymac.com/D54BB423ABC7BA15
http://po4dbsjbneljhrlbvaueqrgveatv.bonmawp.at/D54BB423ABC7BA15
http://hrfgd74nfksjdcnnklnwefvdsf.materdunst.com/D54BB423ABC7BA15
http://k7tlx3ghr3m4n2tu.onion/D54BB423ABC7BA15
Targets
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Target
1f577c6f861c87a6998b30e75de33246_JaffaCakes118
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Size
395KB
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MD5
1f577c6f861c87a6998b30e75de33246
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SHA1
109846d60ef48057cef383ceb2ab0ef56a5b7e53
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SHA256
4d6c7f67cf774e66779f8f31440ec1d86fb4d7a93b473b9e1d4ea6af0f77a5c7
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SHA512
204dd1a5fcd5ec50ae61be3310a50c139e459adb9855b7ce51c53caec3d0628e228a18cc5450fba31eb8a7dde288b07d7a447b9b09edda7965779b49e951a787
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SSDEEP
6144:3myHvNqRbPD0MNja+o0Is37qeG/AJuzhwvTrUWU6sXQFJEES6fiJYu65syhrv8M:FygMRWsL2hwLQGsXQ7JNiauqsyhrZ
Score10/10-
Renames multiple (430) 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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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Suspicious use of SetThreadContext
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