General
-
Target
b4c370efce46e7abfec0b147f3118b6e_JaffaCakes118
-
Size
376KB
-
Sample
241130-e1f8qsslbt
-
MD5
b4c370efce46e7abfec0b147f3118b6e
-
SHA1
d08babb7e379e05f24270b005efd42c57834d6f1
-
SHA256
ce70e4c500aa39d8d43b1fc93909894c87b68843420b359f4017bec77292fa7d
-
SHA512
61573d888601dec15e2eae0777df7a15a5205f3af28c44349aa76f29d712f32d287dedb1187ca1121262b1f7715244bb4c31cc3e878728d77a28619a9207b30f
-
SSDEEP
6144:ie3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:iY5hMfqwTsTKcmTV5kINEx+d
Static task
static1
Behavioral task
behavioral1
Sample
b4c370efce46e7abfec0b147f3118b6e_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b4c370efce46e7abfec0b147f3118b6e_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+ssbju.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/F017C87C33958B9
http://kkd47eh4hdjshb5t.angortra.at/F017C87C33958B9
http://ytrest84y5i456hghadefdsd.pontogrot.com/F017C87C33958B9
http://xlowfznrg4wf7dli.ONION/F017C87C33958B9
Extracted
C:\Program Files\7-Zip\Lang\Recovery+jstdm.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/ABC16D5FBF71CF8B
http://kkd47eh4hdjshb5t.angortra.at/ABC16D5FBF71CF8B
http://ytrest84y5i456hghadefdsd.pontogrot.com/ABC16D5FBF71CF8B
http://xlowfznrg4wf7dli.ONION/ABC16D5FBF71CF8B
Targets
-
-
Target
b4c370efce46e7abfec0b147f3118b6e_JaffaCakes118
-
Size
376KB
-
MD5
b4c370efce46e7abfec0b147f3118b6e
-
SHA1
d08babb7e379e05f24270b005efd42c57834d6f1
-
SHA256
ce70e4c500aa39d8d43b1fc93909894c87b68843420b359f4017bec77292fa7d
-
SHA512
61573d888601dec15e2eae0777df7a15a5205f3af28c44349aa76f29d712f32d287dedb1187ca1121262b1f7715244bb4c31cc3e878728d77a28619a9207b30f
-
SSDEEP
6144:ie3rNhMeYq4CGRTs4kadSoKVStcmTVn57CpSCwsUbg62oXd:iY5hMfqwTsTKcmTV5kINEx+d
-
TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
-
Teslacrypt family
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (434) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Deletes itself
-
Drops startup file
-
Executes dropped EXE
-
Adds Run key to start application
-
Indicator Removal: File Deletion
Adversaries may delete files left behind by the actions of their intrusion activity.
-
Suspicious use of SetThreadContext
-
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