Analysis
- max time kernel
152s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
21/01/2024, 01:01
General
- Target 6bf2b8dfb0ae1a87d53b7df0eba45900.dll
- Size 1.7MB
- Sample240121-bdnshscbb9
- SHA256 040d5692e18f3667089d59f660741709390f41f201dd0f2d879ec90e47435a97
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 4 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
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of WriteProcessMemory 16 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\6bf2b8dfb0ae1a87d53b7df0eba45900.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\sessionmsg.exeC:\Windows\system32\sessionmsg.exe1⤵
-
C:\Users\Admin\AppData\Local\Hdq7E\sessionmsg.exeC:\Users\Admin\AppData\Local\Hdq7E\sessionmsg.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Users\Admin\AppData\Local\6JQ3J7Ek\consent.exeC:\Users\Admin\AppData\Local\6JQ3J7Ek\consent.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\SppExtComObj.ExeC:\Windows\system32\SppExtComObj.Exe1⤵
-
C:\Windows\system32\mblctr.exeC:\Windows\system32\mblctr.exe1⤵
-
C:\Users\Admin\AppData\Local\IFt4W1tIe\SppExtComObj.ExeC:\Users\Admin\AppData\Local\IFt4W1tIe\SppExtComObj.Exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Users\Admin\AppData\Local\AYzwzV\mblctr.exeC:\Users\Admin\AppData\Local\AYzwzV\mblctr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\consent.exeC:\Windows\system32\consent.exe1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
consent.exe
WINMM.dll
WINMM.dll
mblctr.exe
mblctr.exe
DUser.dll
DUser.dll
sessionmsg.exe
ACTIVEDS.dll
ACTIVEDS.dll
SppExtComObj.Exe
SppExtComObj.Exe
Dyngdiaoitf.lnk
ACTIVEDS.dll
DUser.dll
WINMM.dll
memory/2044-1-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/2044-0-0x00000202CE140000-0x00000202CE147000-memory.dmp
memory/2044-51-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/2340-98-0x000001F1B8EB0000-0x000001F1B8EB7000-memory.dmp
memory/2340-99-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/2340-104-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/2468-75-0x000001C0FC7D0000-0x000001C0FC7D7000-memory.dmp
memory/2468-73-0x0000000140000000-0x00000001401BE000-memory.dmp
memory/2468-79-0x0000000140000000-0x00000001401BE000-memory.dmp
memory/3552-21-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-16-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-11-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-6-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-4-0x0000000000F90000-0x0000000000F91000-memory.dmp
memory/3552-34-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-35-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-36-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-40-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-39-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-41-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-42-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-38-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-37-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-43-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-44-0x0000000000F50000-0x0000000000F57000-memory.dmp
memory/3552-33-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-52-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-53-0x00007FFA76040000-0x00007FFA76050000-memory.dmp
memory/3552-13-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-62-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-64-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-15-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-12-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-17-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-20-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-32-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-31-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-30-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-29-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-28-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-27-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-25-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-26-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-22-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-23-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-8-0x00007FFA75E5A000-0x00007FFA75E5B000-memory.dmp
memory/3552-24-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-19-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-18-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-14-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-10-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-9-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3552-7-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3664-115-0x0000023165C90000-0x0000023165C97000-memory.dmp