General
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Target
27e887aa14f3890a72f06ec5d0759f20_JaffaCakes118
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Size
388KB
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Sample
241009-a2zdgsvclq
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MD5
27e887aa14f3890a72f06ec5d0759f20
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SHA1
8bacf22533725fd98c254c8eb6852edbe225a0ef
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SHA256
91a23ebd232c1d96458e3b0870ec5507e547e6763bf99c5c7ca69a89e2a51267
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SHA512
56f420069c68e971069ef6d25a5944d50901d8c9de84f57a1bdb49371cfca117855afd4a6aecf1c6df96369ca3d19fe655c5a939a8b66d6fff6341de97259089
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SSDEEP
12288:LhTjRwlkwFrnAEryLFcG3yBrZTRDgZ8zOhG6:F4DRw7325gPh
Static task
static1
Behavioral task
behavioral1
Sample
27e887aa14f3890a72f06ec5d0759f20_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
27e887aa14f3890a72f06ec5d0759f20_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+kvroe.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E28EB396F85EF8A3
http://kkd47eh4hdjshb5t.angortra.at/E28EB396F85EF8A3
http://ytrest84y5i456hghadefdsd.pontogrot.com/E28EB396F85EF8A3
http://xlowfznrg4wf7dli.ONION/E28EB396F85EF8A3
Extracted
C:\Program Files\7-Zip\Lang\Recovery+mbovf.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/3469FBB2D6B9F5
http://kkd47eh4hdjshb5t.angortra.at/3469FBB2D6B9F5
http://ytrest84y5i456hghadefdsd.pontogrot.com/3469FBB2D6B9F5
http://xlowfznrg4wf7dli.ONION/3469FBB2D6B9F5
Targets
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Target
27e887aa14f3890a72f06ec5d0759f20_JaffaCakes118
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Size
388KB
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MD5
27e887aa14f3890a72f06ec5d0759f20
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SHA1
8bacf22533725fd98c254c8eb6852edbe225a0ef
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SHA256
91a23ebd232c1d96458e3b0870ec5507e547e6763bf99c5c7ca69a89e2a51267
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SHA512
56f420069c68e971069ef6d25a5944d50901d8c9de84f57a1bdb49371cfca117855afd4a6aecf1c6df96369ca3d19fe655c5a939a8b66d6fff6341de97259089
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SSDEEP
12288:LhTjRwlkwFrnAEryLFcG3yBrZTRDgZ8zOhG6:F4DRw7325gPh
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (426) 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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Adds Run key to start application
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Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
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Suspicious use of SetThreadContext
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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
4Subvert Trust Controls
1Install Root Certificate
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1