General
-
Target
15667babdcdd88ee08174a39c86b00ad_JaffaCakes118
-
Size
396KB
-
Sample
241005-achpfayapc
-
MD5
15667babdcdd88ee08174a39c86b00ad
-
SHA1
19ed09bbe8711e7e0b9a6b7664538559a86d312d
-
SHA256
5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0
-
SHA512
e9688e3c981eb1ff0f822dfc2c1a75c570d518b28c8b324b54f4e4fe626cd78ab39171a9f0a61f54eb1e602d941f7faa456aec169bd2379854e7fa411a6fec4a
-
SSDEEP
12288:LVaauWatLv/kjWaesK3YSYJmlzFZ3IHmMr:L03DkjtLS5hVq
Static task
static1
Behavioral task
behavioral1
Sample
15667babdcdd88ee08174a39c86b00ad_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
15667babdcdd88ee08174a39c86b00ad_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+swxgv.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/90B04BC44BC1C65
http://kkd47eh4hdjshb5t.angortra.at/90B04BC44BC1C65
http://ytrest84y5i456hghadefdsd.pontogrot.com/90B04BC44BC1C65
http://xlowfznrg4wf7dli.ONION/90B04BC44BC1C65
Extracted
C:\Program Files\7-Zip\Lang\Recovery+bwbvi.txt
teslacrypt
http://tt54rfdjhb34rfbnknaerg.milerteddy.com/7523C779C7E9878
http://kkd47eh4hdjshb5t.angortra.at/7523C779C7E9878
http://ytrest84y5i456hghadefdsd.pontogrot.com/7523C779C7E9878
http://xlowfznrg4wf7dli.ONION/7523C779C7E9878
Targets
-
-
Target
15667babdcdd88ee08174a39c86b00ad_JaffaCakes118
-
Size
396KB
-
MD5
15667babdcdd88ee08174a39c86b00ad
-
SHA1
19ed09bbe8711e7e0b9a6b7664538559a86d312d
-
SHA256
5061395e96ddf44be20b37f12ab25da2ee84f9c8ec2dd0b5db4f11cfdb14b2a0
-
SHA512
e9688e3c981eb1ff0f822dfc2c1a75c570d518b28c8b324b54f4e4fe626cd78ab39171a9f0a61f54eb1e602d941f7faa456aec169bd2379854e7fa411a6fec4a
-
SSDEEP
12288:LVaauWatLv/kjWaesK3YSYJmlzFZ3IHmMr:L03DkjtLS5hVq
-
TeslaCrypt, AlphaCrypt
Ransomware based on CryptoLocker. Shut down by the developers in 2016.
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (425) 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