Analysis
- max time kernel
171s - max time network
149s - platform
windows10_x64 - resource
win10-en - submitted
09/09/2021, 11:54
General
- Target fa3a533c81677db81cc22adc4021199e024b2324892bbb5355c5a2e7dfcc43b7.dll
- Size 1.7MB
- Sample210909-n2yc3sbcbr
- SHA256 fa3a533c81677db81cc22adc4021199e024b2324892bbb5355c5a2e7dfcc43b7
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 AdjustPrivilegeToken 4 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\fa3a533c81677db81cc22adc4021199e024b2324892bbb5355c5a2e7dfcc43b7.dll1⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\cttune.exeC:\Windows\system32\cttune.exe1⤵
-
C:\Users\Admin\AppData\Local\iF9K\cttune.exeC:\Users\Admin\AppData\Local\iF9K\cttune.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\msra.exeC:\Windows\system32\msra.exe1⤵
-
C:\Users\Admin\AppData\Local\rNMGKTfx\msra.exeC:\Users\Admin\AppData\Local\rNMGKTfx\msra.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\ApplySettingsTemplateCatalog.exeC:\Windows\system32\ApplySettingsTemplateCatalog.exe1⤵
-
C:\Users\Admin\AppData\Local\ruS6C6p\ApplySettingsTemplateCatalog.exeC:\Users\Admin\AppData\Local\ruS6C6p\ApplySettingsTemplateCatalog.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/3056-142-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-148-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-131-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-133-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-134-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-132-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-135-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-136-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-137-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-139-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-138-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-140-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-141-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-121-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-143-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-144-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-145-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-146-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-147-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-130-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-149-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-150-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-151-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-159-0x00007FFD45F14560-0x00007FFD45F15560-memory.dmp
memory/3056-161-0x00007FFD46050000-0x00007FFD46052000-memory.dmp
memory/3056-122-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-129-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-128-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-127-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-124-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-126-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-120-0x0000000001070000-0x0000000001071000-memory.dmp
memory/3056-125-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3056-123-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3124-166-0x0000000140000000-0x00000001401B5000-memory.dmp
memory/3520-115-0x0000000140000000-0x00000001401B4000-memory.dmp
memory/3520-119-0x0000000001560000-0x0000000001567000-memory.dmp