Analysis
- max time kernel
150s - max time network
135s - platform
windows10_x64 - resource
win10v20210408 - submitted
08/09/2021, 06:26
General
- Target 590ab9903afe274ba233a73f72c5374ec70a40a68580bbdada4ba5281417fb13.dll
- Size 1.7MB
- Sample210908-g69tcahbbm
- SHA256 590ab9903afe274ba233a73f72c5374ec70a40a68580bbdada4ba5281417fb13
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 behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 12 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\590ab9903afe274ba233a73f72c5374ec70a40a68580bbdada4ba5281417fb13.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\isoburn.exeC:\Windows\system32\isoburn.exe1⤵
-
C:\Users\Admin\AppData\Local\4Ntb6ZhWu\isoburn.exeC:\Users\Admin\AppData\Local\4Ntb6ZhWu\isoburn.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\SysResetErr.exeC:\Windows\system32\SysResetErr.exe1⤵
-
C:\Users\Admin\AppData\Local\f2Y7x3Pb\SysResetErr.exeC:\Users\Admin\AppData\Local\f2Y7x3Pb\SysResetErr.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\nqEflpj93\SystemSettingsAdminFlows.exeC:\Users\Admin\AppData\Local\nqEflpj93\SystemSettingsAdminFlows.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/64-178-0x0000000140000000-0x00000001401FE000-memory.dmp
memory/492-168-0x0000000140000000-0x00000001401B9000-memory.dmp
memory/3048-130-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-150-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-133-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-134-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-135-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-136-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-137-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-138-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-139-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-140-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-141-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-142-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-143-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-144-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-145-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-146-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-147-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-148-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-149-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-132-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-151-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-152-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-153-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-154-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-162-0x00007FFA78514560-0x00007FFA78515560-memory.dmp
memory/3048-131-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-119-0x0000000000B00000-0x0000000000B01000-memory.dmp
memory/3048-129-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-128-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-125-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-171-0x00007FFA78460000-0x00007FFA78470000-memory.dmp
memory/3048-127-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-126-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-124-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-123-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-122-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-121-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/3048-120-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/4648-114-0x0000000140000000-0x00000001401B8000-memory.dmp
memory/4648-118-0x000001F27AB60000-0x000001F27AB67000-memory.dmp