General
-
Target
c61f29c47fcfa462ea273b231d8d5ec1_JaffaCakes118
-
Size
336KB
-
Sample
241205-f6m4xa1kb1
-
MD5
c61f29c47fcfa462ea273b231d8d5ec1
-
SHA1
72c9f9428992c9f19a4a18afa2244b8637b11d47
-
SHA256
8a1a7fe83079ac76476b2c67ccd80cfe8dec0807fcd4336a9f5ad9a380a07fcd
-
SHA512
12e97acfc3791ebad0e6befd594de27c1cf30824d4cabe80dd605618f5c32df0c826a0fbb177b7226474ed9c4fd41065c3b6d443fb250a9b371986684d402357
-
SSDEEP
6144:g1w0U6D6x4kyjf+g0uc2RTqWmx7Ikw9NShXvSmk2OpXaP/EBySkQ4:gi0Uu6ikyjcuk5y0hXaxpKkB
Static task
static1
Behavioral task
behavioral1
Sample
c61f29c47fcfa462ea273b231d8d5ec1_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c61f29c47fcfa462ea273b231d8d5ec1_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+ftafs.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/EE7C04285F9DB
http://tes543berda73i48fsdfsd.keratadze.at/EE7C04285F9DB
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/EE7C04285F9DB
http://xlowfznrg4wf7dli.ONION/EE7C04285F9DB
Extracted
C:\Program Files\7-Zip\Lang\Recovery+mhjfi.txt
teslacrypt
http://gwe32fdr74bhfsyujb34gfszfv.zatcurr.com/90E84BE4449BB097
http://tes543berda73i48fsdfsd.keratadze.at/90E84BE4449BB097
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/90E84BE4449BB097
http://xlowfznrg4wf7dli.ONION/90E84BE4449BB097
Targets
-
-
Target
c61f29c47fcfa462ea273b231d8d5ec1_JaffaCakes118
-
Size
336KB
-
MD5
c61f29c47fcfa462ea273b231d8d5ec1
-
SHA1
72c9f9428992c9f19a4a18afa2244b8637b11d47
-
SHA256
8a1a7fe83079ac76476b2c67ccd80cfe8dec0807fcd4336a9f5ad9a380a07fcd
-
SHA512
12e97acfc3791ebad0e6befd594de27c1cf30824d4cabe80dd605618f5c32df0c826a0fbb177b7226474ed9c4fd41065c3b6d443fb250a9b371986684d402357
-
SSDEEP
6144:g1w0U6D6x4kyjf+g0uc2RTqWmx7Ikw9NShXvSmk2OpXaP/EBySkQ4:gi0Uu6ikyjcuk5y0hXaxpKkB
-
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 (430) 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