General
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Target
d957a4ca07273763ed76ba4eedce60b2_JaffaCakes118
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Size
388KB
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Sample
241209-ncmv2szpgj
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MD5
d957a4ca07273763ed76ba4eedce60b2
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SHA1
357b159b7404225fb9271bc5c6645a79d8706153
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SHA256
ba45f2c559c3c2e0f76441928d967c31ad6b10ee3c65ada1bbd74ee8a0052dcb
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SHA512
0b1cef4d07a43d504b2ca95c6fbfe18f7e89235db6d6a6551f9be73ab800e2126e47fe23233b77575d34a1b91b0af576f8cb14205fdb2fd2516986b4d5057ce7
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SSDEEP
6144:XYMk7V7PQkaYO0iNq/PimTBQNEETJYOo0DldfrvwmjcMVW5OouUI5KtrQ8POyU:XnSdO0iNEPn+TGOoYzwscMSOXUIJ
Static task
static1
Behavioral task
behavioral1
Sample
d957a4ca07273763ed76ba4eedce60b2_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
d957a4ca07273763ed76ba4eedce60b2_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+jyxce.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/E251F02C506487A1
http://kkd47eh4hdjshb5t.angortra.at/E251F02C506487A1
http://ytrest84y5i456hghadefdsd.pontogrot.com/E251F02C506487A1
http://xlowfznrg4wf7dli.ONION/E251F02C506487A1
Extracted
C:\Program Files\7-Zip\Lang\Recovery+mvcmq.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/6773CF8A4C1F9AEB
http://kkd47eh4hdjshb5t.angortra.at/6773CF8A4C1F9AEB
http://ytrest84y5i456hghadefdsd.pontogrot.com/6773CF8A4C1F9AEB
http://xlowfznrg4wf7dli.ONION/6773CF8A4C1F9AEB
Targets
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Target
d957a4ca07273763ed76ba4eedce60b2_JaffaCakes118
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Size
388KB
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MD5
d957a4ca07273763ed76ba4eedce60b2
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SHA1
357b159b7404225fb9271bc5c6645a79d8706153
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SHA256
ba45f2c559c3c2e0f76441928d967c31ad6b10ee3c65ada1bbd74ee8a0052dcb
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SHA512
0b1cef4d07a43d504b2ca95c6fbfe18f7e89235db6d6a6551f9be73ab800e2126e47fe23233b77575d34a1b91b0af576f8cb14205fdb2fd2516986b4d5057ce7
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SSDEEP
6144:XYMk7V7PQkaYO0iNq/PimTBQNEETJYOo0DldfrvwmjcMVW5OouUI5KtrQ8POyU:XnSdO0iNEPn+TGOoYzwscMSOXUIJ
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TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
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Teslacrypt family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (396) 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