Analysis
- max time kernel
150s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
20/01/2024, 03:30
General
- Target 69602855143bf25085262765aa2cd991.dll
- Size 1.7MB
- Sample240120-d2fg6aahgr
- SHA256 14c81cca53cfefe7eaaad66283b38b081c7e31c5bda2f3f0e0386f68f1d6c216
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 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\69602855143bf25085262765aa2cd991.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\SystemSettingsAdminFlows.exeC:\Windows\system32\SystemSettingsAdminFlows.exe1⤵
-
C:\Users\Admin\AppData\Local\PNg2Ui\SystemSettingsAdminFlows.exeC:\Users\Admin\AppData\Local\PNg2Ui\SystemSettingsAdminFlows.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\SystemSettingsAdminFlows.exeC:\Windows\system32\SystemSettingsAdminFlows.exe1⤵
-
C:\Users\Admin\AppData\Local\q0lJQO\SystemSettingsAdminFlows.exeC:\Users\Admin\AppData\Local\q0lJQO\SystemSettingsAdminFlows.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\unregmp2.exeC:\Windows\system32\unregmp2.exe1⤵
-
C:\Users\Admin\AppData\Local\RkSgnqjiZ\unregmp2.exeC:\Users\Admin\AppData\Local\RkSgnqjiZ\unregmp2.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
SystemSettingsAdminFlows.exe
SystemSettingsAdminFlows.exe
newdev.dll
newdev.dll
VERSION.dll
VERSION.dll
unregmp2.exe
unregmp2.exe
DUI70.dll
DUI70.dll
SystemSettingsAdminFlows.exe
Aqwbkkvq.lnk
newdev.dll
VERSION.dll
DUI70.dll
memory/2056-96-0x0000000140000000-0x0000000140203000-memory.dmp
memory/2056-90-0x0000000140000000-0x0000000140203000-memory.dmp
memory/2056-92-0x0000022CDA300000-0x0000022CDA307000-memory.dmp
memory/2124-77-0x0000000140000000-0x00000001401BE000-memory.dmp
memory/2124-73-0x00000143E39E0000-0x00000143E39E7000-memory.dmp
memory/2124-71-0x0000000140000000-0x00000001401BE000-memory.dmp
memory/3400-110-0x0000021BF0A10000-0x0000021BF0A17000-memory.dmp
memory/3528-20-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-32-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-34-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-33-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-30-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-29-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-38-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-39-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-28-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-27-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-26-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-23-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-21-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-22-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-16-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-40-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-43-0x0000000007F40000-0x0000000007F47000-memory.dmp
memory/3528-42-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-50-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-51-0x00007FF95A700000-0x00007FF95A710000-memory.dmp
memory/3528-62-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-36-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-37-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-35-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-31-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-25-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-24-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-5-0x00007FF95885A000-0x00007FF95885B000-memory.dmp
memory/3528-60-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-41-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-17-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-18-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-19-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-15-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-7-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-14-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-13-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-12-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-11-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-10-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-9-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3528-4-0x0000000007F60000-0x0000000007F61000-memory.dmp
memory/4488-8-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/4488-1-0x000002CB076B0000-0x000002CB076B7000-memory.dmp
memory/4488-0-0x0000000140000000-0x00000001401BD000-memory.dmp