Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
01/08/2024, 03:05
General
- Target 7ef24c1f5e48c05ea044e0526927416a_JaffaCakes118.dll
- Size 1.2MB
- Sample240801-dlekxstapd
- SHA256 604afec896aa6be5676ddf766bcf16e56c6822c5078cc40480bee754b305ff8c
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 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 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\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\7ef24c1f5e48c05ea044e0526927416a_JaffaCakes118.dll1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\perfmon.exeC:\Windows\system32\perfmon.exe1⤵
-
C:\Users\Admin\AppData\Local\ckVh\perfmon.exeC:\Users\Admin\AppData\Local\ckVh\perfmon.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\CustomShellHost.exeC:\Windows\system32\CustomShellHost.exe1⤵
-
C:\Users\Admin\AppData\Local\TCk3CVs\CustomShellHost.exeC:\Users\Admin\AppData\Local\TCk3CVs\CustomShellHost.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\DWWIN.EXEC:\Windows\system32\DWWIN.EXE1⤵
-
C:\Users\Admin\AppData\Local\IrJkJ0\DWWIN.EXEC:\Users\Admin\AppData\Local\IrJkJ0\DWWIN.EXE1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DWWIN.EXE
VERSION.dll
CustomShellHost.exe
WTSAPI32.dll
credui.dll
perfmon.exe
Evbxgkmeevkeagz.lnk
memory/372-51-0x00007FFDDD790000-0x00007FFDDD8C1000-memory.dmp
memory/372-46-0x00007FFDDD790000-0x00007FFDDD8C1000-memory.dmp
memory/372-45-0x00000230C5AC0000-0x00000230C5AC7000-memory.dmp
memory/696-3-0x0000000002BA0000-0x0000000002BA7000-memory.dmp
memory/696-1-0x00007FFDDD7A0000-0x00007FFDDD8D0000-memory.dmp
memory/696-38-0x00007FFDDD7A0000-0x00007FFDDD8D0000-memory.dmp
memory/1460-87-0x00007FFDDD790000-0x00007FFDDD8C1000-memory.dmp
memory/1460-84-0x000001F7A9FE0000-0x000001F7A9FE7000-memory.dmp
memory/3460-33-0x0000000002380000-0x0000000002387000-memory.dmp
memory/3460-32-0x00007FFDEB60A000-0x00007FFDEB60B000-memory.dmp
memory/3460-7-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-9-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-10-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-11-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-12-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-13-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-15-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-8-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-35-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-4-0x0000000002440000-0x0000000002441000-memory.dmp
memory/3460-6-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-34-0x00007FFDECF90000-0x00007FFDECFA0000-memory.dmp
memory/3460-23-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3460-14-0x0000000140000000-0x0000000140130000-memory.dmp
memory/3964-67-0x000001A8C6540000-0x000001A8C6547000-memory.dmp
memory/3964-68-0x00007FFDDD790000-0x00007FFDDD8C1000-memory.dmp