Analysis
- max time kernel
150s - max time network
135s - platform
windows10_x64 - resource
win10-en - submitted
08/09/2021, 06:32
General
- Target a7d1c42341ebcb74530822dfbd58f331a2c393c70e89f73b7e578e84ba7b317a.dll
- Size 1.7MB
- Sample210908-hanfxahbdj
- SHA256 a7d1c42341ebcb74530822dfbd58f331a2c393c70e89f73b7e578e84ba7b317a
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 behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of FindShellTrayWindow 9 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\a7d1c42341ebcb74530822dfbd58f331a2c393c70e89f73b7e578e84ba7b317a.dll1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\WMPDMC.exeC:\Windows\system32\WMPDMC.exe1⤵
-
C:\Users\Admin\AppData\Local\Q96xE1riT\WMPDMC.exeC:\Users\Admin\AppData\Local\Q96xE1riT\WMPDMC.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\wusa.exeC:\Windows\system32\wusa.exe1⤵
-
C:\Users\Admin\AppData\Local\a1icE1\wusa.exeC:\Users\Admin\AppData\Local\a1icE1\wusa.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\xpsrchvw.exeC:\Windows\system32\xpsrchvw.exe1⤵
-
C:\Users\Admin\AppData\Local\b6rk9Rjvd\xpsrchvw.exeC:\Users\Admin\AppData\Local\b6rk9Rjvd\xpsrchvw.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1456-159-0x0000000140000000-0x00000001401AB000-memory.dmp
memory/3052-128-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-152-0x00007FFB8BB34560-0x00007FFB8BB35560-memory.dmp
memory/3052-132-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-133-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-134-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-135-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-136-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-137-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-138-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-139-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-140-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-141-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-142-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-143-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-144-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-131-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-154-0x00007FFB8BC70000-0x00007FFB8BC72000-memory.dmp
memory/3052-130-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-129-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-120-0x00000000014F0000-0x00000000014F1000-memory.dmp
memory/3052-127-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-126-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-124-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-125-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-123-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-122-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3052-121-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3220-115-0x0000000140000000-0x00000001401AA000-memory.dmp
memory/3220-119-0x0000000001050000-0x0000000001057000-memory.dmp
memory/4088-177-0x0000000140000000-0x00000001401AC000-memory.dmp