Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
31-08-2024 04:26
Static task
static1
Behavioral task
behavioral1
Sample
cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe
Resource
win7-20240708-en
General
-
Target
cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe
-
Size
414KB
-
MD5
cc38e3ac1ca97aefdaf92643c1dc68f3
-
SHA1
3f80d544c9e3b789db490a13c86dc5cd61682bc2
-
SHA256
22542d1aef8c0987be0f91b90e4f70f372cc1b16ed67bbb1582798cac732f538
-
SHA512
04c876e75e495e1dad18c06d669c2965feaa25d454fa54dc754091effc67c4704a78c10a53185b0cdb4e2cc3b5ca9ab6854632205539e6853dbd84e1b4f79235
-
SSDEEP
6144:w31JnqbGb0cd0yGdXeEW58hp9b5vwMVO5UWoU8F0:w3Hqb3meXe0loWkUl
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2904 kemelsystmgr.exe -
Loads dropped DLL 1 IoCs
pid Process 2640 cmd.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\systemkemel = "C:\\Users\\Admin\\AppData\\Local\\kemelsystmgr.exe" kemelsystmgr.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kemelsystmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe Token: SeDebugPrivilege 2904 kemelsystmgr.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 2416 wrote to memory of 2804 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe 31 PID 2416 wrote to memory of 2804 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe 31 PID 2416 wrote to memory of 2804 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe 31 PID 2416 wrote to memory of 2804 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe 31 PID 2416 wrote to memory of 2640 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe 33 PID 2416 wrote to memory of 2640 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe 33 PID 2416 wrote to memory of 2640 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe 33 PID 2416 wrote to memory of 2640 2416 cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe 33 PID 2640 wrote to memory of 2904 2640 cmd.exe 35 PID 2640 wrote to memory of 2904 2640 cmd.exe 35 PID 2640 wrote to memory of 2904 2640 cmd.exe 35 PID 2640 wrote to memory of 2904 2640 cmd.exe 35 PID 2904 wrote to memory of 1864 2904 kemelsystmgr.exe 36 PID 2904 wrote to memory of 1864 2904 kemelsystmgr.exe 36 PID 2904 wrote to memory of 1864 2904 kemelsystmgr.exe 36 PID 2904 wrote to memory of 1864 2904 kemelsystmgr.exe 36 PID 2904 wrote to memory of 1864 2904 kemelsystmgr.exe 36 PID 2904 wrote to memory of 1864 2904 kemelsystmgr.exe 36 PID 2904 wrote to memory of 1864 2904 kemelsystmgr.exe 36
Processes
-
C:\Users\Admin\AppData\Local\Temp\cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\cc38e3ac1ca97aefdaf92643c1dc68f3_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\kemelsystmgr.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2804
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\kemelsystmgr.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Users\Admin\AppData\Local\kemelsystmgr.exe"C:\Users\Admin\AppData\Local\kemelsystmgr.exe"3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Users\Admin\AppData\Local\kemelsystmgr.exe"C:\Users\Admin\AppData\Local\kemelsystmgr.exe"4⤵PID:1864
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
414KB
MD5cc38e3ac1ca97aefdaf92643c1dc68f3
SHA13f80d544c9e3b789db490a13c86dc5cd61682bc2
SHA25622542d1aef8c0987be0f91b90e4f70f372cc1b16ed67bbb1582798cac732f538
SHA51204c876e75e495e1dad18c06d669c2965feaa25d454fa54dc754091effc67c4704a78c10a53185b0cdb4e2cc3b5ca9ab6854632205539e6853dbd84e1b4f79235