General
- Target c23863e0d7186334ca69903c6653ae06_JaffaCakes118
- Size 606KB
- Sample240826-eb5j2atale
- SHA256 4e07acab1178209379b2f3926e63da1a3002c9640667907db610216bd6e02e72
- MD5 c23863e0d7186334ca69903c6653ae06
- SHA1 6040256f4dabd5ee5dee6560e04c56f699532db6
- SHA512 b9a7ffaa9a01a488efd29a9f9162c95a8c50f25d2183679f4783ce900319d81f4d375518667959b89bf8df002a869736a2c47bccae3b8ec5844f8f31c2fa7759
- SSDEEP 12288:HDNN+IaAFB0OLrdd5xSx8G3cK6TsrId6dd4WCWd9nNxtSR9UcN+Pjv:HDr+FqVvL5x4RcKYd83CWd9+UPv
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
c23863e0d7186334ca69903c6653ae06_JaffaCakes118.exe
Resource
win7-20240704-en
Malware Config
Extracted
-
quasar
-
2.1.0.0
-
hacked
-
23.105.131.178:7812
-
VNM_MUTEX_cFzA15c8rYLW8gVTCh
-
encryption_key
VGvtyILUmmcgl2gY0sSm
-
install_name
Windows Security Health Service.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Windows Update
-
subdirectory
SubDir
Targets
-
- Target c23863e0d7186334ca69903c6653ae06_JaffaCakes118
- Size 606KB
- SHA256 4e07acab1178209379b2f3926e63da1a3002c9640667907db610216bd6e02e72
- MD5 c23863e0d7186334ca69903c6653ae06
- SHA1 6040256f4dabd5ee5dee6560e04c56f699532db6
- SHA512 b9a7ffaa9a01a488efd29a9f9162c95a8c50f25d2183679f4783ce900319d81f4d375518667959b89bf8df002a869736a2c47bccae3b8ec5844f8f31c2fa7759
- SSDEEP 12288:HDNN+IaAFB0OLrdd5xSx8G3cK6TsrId6dd4WCWd9nNxtSR9UcN+Pjv:HDr+FqVvL5x4RcKYd83CWd9+UPv
- MD5 SHA1 SHA512 SSDEEP
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Quasar payload
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1