Analysis
- max time kernel
149s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
23/08/2024, 16:04
General
- Target bc6a7f50f96beb004bcf9c6174e93bbd_JaffaCakes118.dll
- Size 1.2MB
- Sample240823-thysdswfmk
- SHA256 5ed7ff55cc5fd11a4ac5a823ff7cebb7e252e0a8d37dc1a1715d4098af9aeedc
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 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 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\bc6a7f50f96beb004bcf9c6174e93bbd_JaffaCakes118.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\FXSCOVER.exeC:\Windows\system32\FXSCOVER.exe1⤵
-
C:\Users\Admin\AppData\Local\1eZZG3D\FXSCOVER.exeC:\Users\Admin\AppData\Local\1eZZG3D\FXSCOVER.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\CameraSettingsUIHost.exeC:\Windows\system32\CameraSettingsUIHost.exe1⤵
-
C:\Users\Admin\AppData\Local\yu0PwcRNk\CameraSettingsUIHost.exeC:\Users\Admin\AppData\Local\yu0PwcRNk\CameraSettingsUIHost.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\wextract.exeC:\Windows\system32\wextract.exe1⤵
-
C:\Users\Admin\AppData\Local\fwFrd6LfE\wextract.exeC:\Users\Admin\AppData\Local\fwFrd6LfE\wextract.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
FXSCOVER.exe
MFC42u.dll
VERSION.dll
wextract.exe
CameraSettingsUIHost.exe
DUI70.dll
Sfbjsepzltomqmf.lnk
memory/976-63-0x00007FFB48360000-0x00007FFB484D7000-memory.dmp
memory/976-66-0x000001D49D190000-0x000001D49D197000-memory.dmp
memory/976-69-0x00007FFB48360000-0x00007FFB484D7000-memory.dmp
memory/1376-0-0x00007FFB57810000-0x00007FFB57941000-memory.dmp
memory/1376-39-0x00007FFB57810000-0x00007FFB57941000-memory.dmp
memory/1376-3-0x000001E7F3B80000-0x000001E7F3B87000-memory.dmp
memory/3484-28-0x0000000001160000-0x0000000001167000-memory.dmp
memory/3484-14-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-11-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-10-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-9-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-8-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-13-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-15-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-16-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-6-0x00007FFB65BEA000-0x00007FFB65BEB000-memory.dmp
memory/3484-4-0x0000000002D60000-0x0000000002D61000-memory.dmp
memory/3484-7-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-17-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-29-0x00007FFB65D30000-0x00007FFB65D40000-memory.dmp
memory/3484-36-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-25-0x0000000140000000-0x0000000140131000-memory.dmp
memory/3484-12-0x0000000140000000-0x0000000140131000-memory.dmp
memory/4044-52-0x00007FFB483A0000-0x00007FFB484D8000-memory.dmp
memory/4044-47-0x00007FFB483A0000-0x00007FFB484D8000-memory.dmp
memory/4044-46-0x000002F3F0590000-0x000002F3F0597000-memory.dmp
memory/4556-80-0x00007FFB483A0000-0x00007FFB484D2000-memory.dmp
memory/4556-83-0x000001B9E1A60000-0x000001B9E1A67000-memory.dmp
memory/4556-86-0x00007FFB483A0000-0x00007FFB484D2000-memory.dmp