Analysis
- max time kernel
159s - max time network
135s - platform
windows10_x64 - resource
win10-en - submitted
09/09/2021, 11:56
General
- Target 9b90e7fd169d84766a6d636c6b0b68b3b26c491cd8335097177a087d69baa817.dll
- Size 1.7MB
- Sample210909-n33n7abccn
- SHA256 9b90e7fd169d84766a6d636c6b0b68b3b26c491cd8335097177a087d69baa817
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
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9b90e7fd169d84766a6d636c6b0b68b3b26c491cd8335097177a087d69baa817.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\BdeUISrv.exeC:\Windows\system32\BdeUISrv.exe1⤵
-
C:\Users\Admin\AppData\Local\h3KIuX5xe\BdeUISrv.exeC:\Users\Admin\AppData\Local\h3KIuX5xe\BdeUISrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\consent.exeC:\Windows\system32\consent.exe1⤵
-
C:\Users\Admin\AppData\Local\UPZyyjlyd\consent.exeC:\Users\Admin\AppData\Local\UPZyyjlyd\consent.exe1⤵
- Executes dropped EXE
-
C:\Windows\system32\raserver.exeC:\Windows\system32\raserver.exe1⤵
-
C:\Users\Admin\AppData\Local\AmjGxTNa\raserver.exeC:\Users\Admin\AppData\Local\AmjGxTNa\raserver.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\bdeunlock.exeC:\Windows\system32\bdeunlock.exe1⤵
-
C:\Users\Admin\AppData\Local\9hcPDEWA\bdeunlock.exeC:\Users\Admin\AppData\Local\9hcPDEWA\bdeunlock.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2724-185-0x0000000140000000-0x00000001401F0000-memory.dmp
memory/3048-142-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-156-0x00007FFCB7690000-0x00007FFCB7692000-memory.dmp
memory/3048-135-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-136-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-137-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-138-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-139-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-140-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-141-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-122-0x0000000000E50000-0x0000000000E51000-memory.dmp
memory/3048-143-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-144-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-145-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-146-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-154-0x00007FFCB7554560-0x00007FFCB7555560-memory.dmp
memory/3048-134-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-123-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-133-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-132-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-131-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-124-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-130-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-125-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-129-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-128-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-127-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3048-126-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3808-117-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3808-121-0x00000281DFB80000-0x00000281DFB87000-memory.dmp
memory/4072-161-0x0000000140000000-0x00000001401AB000-memory.dmp