Analysis
- max time kernel
150s - max time network
100s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
29/08/2024, 04:14
General
- Target c835b2a733959689b55c54ba276ff260_JaffaCakes118.dll
- Size 1.2MB
- Sample240829-etmryaveqq
- SHA256 38342eb9d98ddd4a2bdc2223fb97471c186123a5f675d7c2f3291bb84e9d9f3b
Malware Config
Signatures
- Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
- Dridex Shellcode 1 IoCs
Detects Dridex Payload shellcode injected in Explorer process.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 4 IoCs
- Modifies registry class 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 16 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c835b2a733959689b55c54ba276ff260_JaffaCakes118.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\perfmon.exeC:\Windows\system32\perfmon.exe1⤵
-
C:\Users\Admin\AppData\Local\8sp1a\perfmon.exeC:\Users\Admin\AppData\Local\8sp1a\perfmon.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\rdpinit.exeC:\Windows\system32\rdpinit.exe1⤵
-
C:\Users\Admin\AppData\Local\GQ92UMG7x\rdpinit.exeC:\Users\Admin\AppData\Local\GQ92UMG7x\rdpinit.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\InfDefaultInstall.exeC:\Windows\system32\InfDefaultInstall.exe1⤵
-
C:\Users\Admin\AppData\Local\uZCX41iX\InfDefaultInstall.exeC:\Users\Admin\AppData\Local\uZCX41iX\InfDefaultInstall.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
credui.dll
perfmon.exe
WTSAPI32.dll
rdpinit.exe
InfDefaultInstall.exe
newdev.dll
Yfsfrqrlkk.lnk
memory/1308-86-0x00007FFE57940000-0x00007FFE57A72000-memory.dmp
memory/1308-83-0x000002310BE00000-0x000002310BE07000-memory.dmp
memory/1940-69-0x00007FFE57940000-0x00007FFE57A72000-memory.dmp
memory/1940-63-0x00000221DD0E0000-0x00000221DD0E7000-memory.dmp
memory/3436-9-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-36-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-13-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-11-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-10-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-4-0x0000000008C60000-0x0000000008C61000-memory.dmp
memory/3436-8-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-7-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-6-0x00007FFE7399A000-0x00007FFE7399B000-memory.dmp
memory/3436-16-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-17-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-12-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-15-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-31-0x00007FFE74FF0000-0x00007FFE75000000-memory.dmp
memory/3436-25-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3436-30-0x0000000008B40000-0x0000000008B47000-memory.dmp
memory/3436-14-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3932-52-0x00007FFE57940000-0x00007FFE57A72000-memory.dmp
memory/3932-47-0x00007FFE57940000-0x00007FFE57A72000-memory.dmp
memory/3932-46-0x0000023399EB0000-0x0000023399EB7000-memory.dmp
memory/4672-39-0x00007FFE66030000-0x00007FFE66161000-memory.dmp
memory/4672-3-0x000001C3A2D30000-0x000001C3A2D37000-memory.dmp
memory/4672-0-0x00007FFE66030000-0x00007FFE66161000-memory.dmp