Analysis
- max time kernel
156s - max time network
131s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
26/11/2021, 09:29
General
- Target a7e4a244a0c2c589c237ed8ee1870017ee62e84809d589cb0824db74ca64ec99.dll
- Size 1.3MB
- Sample211126-lfxtbabefk
- SHA256 a7e4a244a0c2c589c237ed8ee1870017ee62e84809d589cb0824db74ca64ec99
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 4 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a7e4a244a0c2c589c237ed8ee1870017ee62e84809d589cb0824db74ca64ec99.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\rdpinput.exeC:\Windows\system32\rdpinput.exe1⤵
-
C:\Users\Admin\AppData\Local\yWX\rdpinput.exeC:\Users\Admin\AppData\Local\yWX\rdpinput.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\SystemPropertiesPerformance.exeC:\Windows\system32\SystemPropertiesPerformance.exe1⤵
-
C:\Users\Admin\AppData\Local\HGo\SystemPropertiesPerformance.exeC:\Users\Admin\AppData\Local\HGo\SystemPropertiesPerformance.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\58lm8oTJ\SystemSettingsAdminFlows.exeC:\Users\Admin\AppData\Local\58lm8oTJ\SystemSettingsAdminFlows.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/396-151-0x00007FF9383D0000-0x00007FF9383D2000-memory.dmp
memory/396-128-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-132-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-133-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-134-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-135-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-136-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-137-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-138-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-139-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-140-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-141-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-142-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-148-0x0000000000780000-0x0000000000782000-memory.dmp
memory/396-147-0x0000000000780000-0x0000000000782000-memory.dmp
memory/396-149-0x00007FF938295000-0x00007FF938296000-memory.dmp
memory/396-150-0x0000000000780000-0x0000000000782000-memory.dmp
memory/396-185-0x0000000000780000-0x0000000000782000-memory.dmp
memory/396-125-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/396-130-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-129-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-131-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-126-0x0000000140000000-0x0000000140149000-memory.dmp
memory/396-127-0x0000000140000000-0x0000000140149000-memory.dmp
memory/1144-184-0x000001B4224A0000-0x000001B4224A2000-memory.dmp
memory/1144-183-0x000001B4224A0000-0x000001B4224A2000-memory.dmp
memory/1144-182-0x000001B4224A0000-0x000001B4224A2000-memory.dmp
memory/1144-178-0x00007FF92A110000-0x00007FF92A29F000-memory.dmp
memory/3140-167-0x00007FF92B7E0000-0x00007FF92B92A000-memory.dmp
memory/3140-171-0x00000231BB0A0000-0x00000231BB0A2000-memory.dmp
memory/3140-172-0x00000231BB0A0000-0x00000231BB0A2000-memory.dmp
memory/3140-173-0x00000231BB0A0000-0x00000231BB0A2000-memory.dmp
memory/3636-123-0x0000023B4BB20000-0x0000023B4BB22000-memory.dmp
memory/3636-124-0x0000023B4BB10000-0x0000023B4BB17000-memory.dmp
memory/3636-122-0x0000023B4BB20000-0x0000023B4BB22000-memory.dmp
memory/3636-118-0x00007FF92B7E0000-0x00007FF92B929000-memory.dmp
memory/4220-160-0x000001AB75C50000-0x000001AB75C52000-memory.dmp
memory/4220-156-0x00007FF92B7E0000-0x00007FF92B92B000-memory.dmp
memory/4220-161-0x000001AB75C50000-0x000001AB75C52000-memory.dmp
memory/4220-162-0x000001AB75C50000-0x000001AB75C52000-memory.dmp