Analysis
- max time kernel
159s - max time network
139s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
26/11/2021, 09:26
General
- Target 34e4dd4f79639ebda6d63dd10e01d559439611fcc4c79151f947bff810dfd722.dll
- Size 1.5MB
- Sample211126-ld769sbecp
- SHA256 34e4dd4f79639ebda6d63dd10e01d559439611fcc4c79151f947bff810dfd722
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 4 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 4 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\34e4dd4f79639ebda6d63dd10e01d559439611fcc4c79151f947bff810dfd722.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\cmstp.exeC:\Windows\system32\cmstp.exe1⤵
-
C:\Users\Admin\AppData\Local\omlAAGq5i\cmstp.exeC:\Users\Admin\AppData\Local\omlAAGq5i\cmstp.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\psr.exeC:\Windows\system32\psr.exe1⤵
-
C:\Users\Admin\AppData\Local\fDkTqPNZ\psr.exeC:\Users\Admin\AppData\Local\fDkTqPNZ\psr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\slui.exeC:\Windows\system32\slui.exe1⤵
-
C:\Users\Admin\AppData\Local\D63\slui.exeC:\Users\Admin\AppData\Local\D63\slui.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/600-171-0x0000012234110000-0x0000012234112000-memory.dmp
memory/600-172-0x0000012234110000-0x0000012234112000-memory.dmp
memory/600-173-0x0000012234110000-0x0000012234112000-memory.dmp
memory/1184-159-0x0000020382EB0000-0x0000020382EB2000-memory.dmp
memory/1184-162-0x0000020381580000-0x000002038170A000-memory.dmp
memory/1184-161-0x0000020382EB0000-0x0000020382EB2000-memory.dmp
memory/1184-160-0x0000020382EB0000-0x0000020382EB2000-memory.dmp
memory/1184-155-0x00007FFB85F80000-0x00007FFB8610A000-memory.dmp
memory/2452-118-0x00007FFB85F80000-0x00007FFB86109000-memory.dmp
memory/2452-124-0x0000025876240000-0x0000025876247000-memory.dmp
memory/2452-123-0x0000025876560000-0x0000025876562000-memory.dmp
memory/2452-122-0x0000025876560000-0x0000025876562000-memory.dmp
memory/3028-133-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-132-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-147-0x00007FFB93E75000-0x00007FFB93E76000-memory.dmp
memory/3028-148-0x0000000000AD0000-0x0000000000AD2000-memory.dmp
memory/3028-146-0x0000000000AD0000-0x0000000000AD2000-memory.dmp
memory/3028-145-0x0000000000AD0000-0x0000000000AD2000-memory.dmp
memory/3028-140-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-139-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-138-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-137-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-136-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-135-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-134-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-149-0x00007FFB93FB0000-0x00007FFB93FB2000-memory.dmp
memory/3028-131-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-130-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-129-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-128-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-125-0x00000000007B0000-0x00000000007B1000-memory.dmp
memory/3028-127-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3028-126-0x0000000140000000-0x0000000140189000-memory.dmp
memory/3188-182-0x0000022081090000-0x0000022081092000-memory.dmp
memory/3188-183-0x0000022081090000-0x0000022081092000-memory.dmp
memory/3188-184-0x0000022081090000-0x0000022081092000-memory.dmp