General
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Target
2b5c64d0ae335be2b30de30ed5cf9b71_JaffaCakes118
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Size
364KB
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Sample
241009-fqw2wavema
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MD5
2b5c64d0ae335be2b30de30ed5cf9b71
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SHA1
57a809107f1810a3ed01d4baf09f89a1fb562757
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SHA256
33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b
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SHA512
96ebf2562a60ef245aea06decf83298979368e4c4dabaa107068e430d7fe86af5f996cfffba95e7f1c5ef411e7d1265d24a84716be63eaedfd48ad3aac4dc4e8
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SSDEEP
6144:REAU1eeD624pGSoJDZ2sqIrU5AsZBbgyg4s43yirHwlzKPm:RvU1eeD6282JtOI2D3bzsEHrQBKP
Static task
static1
Behavioral task
behavioral1
Sample
2b5c64d0ae335be2b30de30ed5cf9b71_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2b5c64d0ae335be2b30de30ed5cf9b71_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+jqkno.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/512A8BC06C1C5BC8
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/512A8BC06C1C5BC8
http://yyre45dbvn2nhbefbmh.begumvelic.at/512A8BC06C1C5BC8
http://xlowfznrg4wf7dli.ONION/512A8BC06C1C5BC8
Extracted
C:\Program Files\7-Zip\Lang\_ReCoVeRy_+oqsrs.txt
teslacrypt
http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/C4BE40509F94F2DE
http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/C4BE40509F94F2DE
http://yyre45dbvn2nhbefbmh.begumvelic.at/C4BE40509F94F2DE
http://xlowfznrg4wf7dli.ONION/C4BE40509F94F2DE
Targets
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Target
2b5c64d0ae335be2b30de30ed5cf9b71_JaffaCakes118
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Size
364KB
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MD5
2b5c64d0ae335be2b30de30ed5cf9b71
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SHA1
57a809107f1810a3ed01d4baf09f89a1fb562757
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SHA256
33e6272f8a84de06327c40ad72efd8537c82d5f9d86b082ef1f6cfe7031f7c3b
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SHA512
96ebf2562a60ef245aea06decf83298979368e4c4dabaa107068e430d7fe86af5f996cfffba95e7f1c5ef411e7d1265d24a84716be63eaedfd48ad3aac4dc4e8
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SSDEEP
6144:REAU1eeD624pGSoJDZ2sqIrU5AsZBbgyg4s43yirHwlzKPm:RvU1eeD6282JtOI2D3bzsEHrQBKP
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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 (437) 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
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1