Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
16/01/2024, 01:58
General
- Target 5eaaeaf299ba8213e1f7547d4dd3d9e6.dll
- Size 1.7MB
- Sample240116-cd9wesbaaj
- SHA256 d259656471e990bed54408af55b1638e8328e4d45c529dadf64adfd21949a976
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
- Modifies registry class 2 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\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\5eaaeaf299ba8213e1f7547d4dd3d9e6.dll1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\BitLockerWizard.exeC:\Windows\system32\BitLockerWizard.exe1⤵
-
C:\Users\Admin\AppData\Local\w5a5KLbJ\BitLockerWizard.exeC:\Users\Admin\AppData\Local\w5a5KLbJ\BitLockerWizard.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\bdeunlock.exeC:\Windows\system32\bdeunlock.exe1⤵
-
C:\Windows\system32\phoneactivate.exeC:\Windows\system32\phoneactivate.exe1⤵
-
C:\Users\Admin\AppData\Local\cxzMa6\bdeunlock.exeC:\Users\Admin\AppData\Local\cxzMa6\bdeunlock.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Users\Admin\AppData\Local\rXkUbe\phoneactivate.exeC:\Users\Admin\AppData\Local\rXkUbe\phoneactivate.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
DUser.dll
DUser.dll
bdeunlock.exe
bdeunlock.exe
DUI70.dll
DUI70.dll
phoneactivate.exe
phoneactivate.exe
BitLockerWizard.exe
BitLockerWizard.exe
FVEWIZ.dll
FVEWIZ.dll
Aqwbkkvq.lnk
FVEWIZ.dll
DUser.dll
DUI70.dll
memory/216-109-0x00000254D53D0000-0x00000254D53D7000-memory.dmp
memory/216-107-0x0000000140000000-0x0000000140200000-memory.dmp
memory/3032-73-0x0000000140000000-0x00000001401BB000-memory.dmp
memory/3032-79-0x0000000140000000-0x00000001401BB000-memory.dmp
memory/3032-74-0x0000018548F00000-0x0000018548F07000-memory.dmp
memory/3120-1-0x0000000002A20000-0x0000000002A27000-memory.dmp
memory/3120-0-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3120-7-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-23-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-37-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-36-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-35-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-32-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-31-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-29-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-26-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-25-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-24-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-33-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-22-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-18-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-17-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-38-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-44-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-45-0x0000000002B50000-0x0000000002B57000-memory.dmp
memory/3404-43-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-42-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-41-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-40-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-39-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-52-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-34-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-62-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-64-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-53-0x00007FFB24420000-0x00007FFB24430000-memory.dmp
memory/3404-4-0x0000000008C40000-0x0000000008C41000-memory.dmp
memory/3404-6-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-10-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-30-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-27-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-28-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-21-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-19-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-20-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-16-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-8-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-9-0x00007FFB2280A000-0x00007FFB2280B000-memory.dmp
memory/3404-15-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-14-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-13-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-12-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3404-11-0x0000000140000000-0x00000001401BA000-memory.dmp
memory/3480-93-0x0000018064330000-0x0000018064337000-memory.dmp
memory/3480-96-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3480-90-0x0000000140000000-0x00000001401BC000-memory.dmp