Analysis
- max time kernel
150s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
20/03/2024, 12:29
General
- Target d8ce70100942da6b1988072496fcb2b3.dll
- Size 1.7MB
- Sample240320-ppd94sge84
- SHA256 69bcd3c5bf2b0125ec394f4c4301b54396574696679c561cef2f22087319b10e
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
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d8ce70100942da6b1988072496fcb2b3.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\BitLockerWizardElev.exeC:\Windows\system32\BitLockerWizardElev.exe1⤵
-
C:\Users\Admin\AppData\Local\vOm\BitLockerWizardElev.exeC:\Users\Admin\AppData\Local\vOm\BitLockerWizardElev.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\quickassist.exeC:\Windows\system32\quickassist.exe1⤵
-
C:\Users\Admin\AppData\Local\Fhy2\quickassist.exeC:\Users\Admin\AppData\Local\Fhy2\quickassist.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\RgYYWrq9H\wusa.exeC:\Users\Admin\AppData\Local\RgYYWrq9H\wusa.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
UxTheme.dll
quickassist.exe
WTSAPI32.dll
WTSAPI32.dll
wusa.exe
BitLockerWizardElev.exe
FVEWIZ.dll
FVEWIZ.dll
Xkmqd.lnk
WTSAPI32.dll
memory/216-7-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/216-0-0x0000020162340000-0x0000020162347000-memory.dmp
memory/216-1-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/2560-72-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/2560-73-0x0000023D42880000-0x0000023D42887000-memory.dmp
memory/2560-78-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/2596-106-0x000001C187950000-0x000001C187957000-memory.dmp
memory/3560-33-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-43-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-23-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-24-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-26-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-27-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-25-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-21-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-28-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-30-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-29-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-31-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-32-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-20-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-35-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-36-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-37-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-34-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-38-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-39-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-40-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-41-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-42-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-22-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-44-0x00000000009C0000-0x00000000009C7000-memory.dmp
memory/3560-51-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-52-0x00007FFE4AE80000-0x00007FFE4AE90000-memory.dmp
memory/3560-61-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-63-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-19-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-18-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-17-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-16-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-15-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-14-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-13-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-12-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-4-0x0000000002D70000-0x0000000002D71000-memory.dmp
memory/3560-8-0x00007FFE4A3FA000-0x00007FFE4A3FB000-memory.dmp
memory/3560-11-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-10-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-9-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3560-6-0x0000000140000000-0x00000001401BC000-memory.dmp
memory/3952-95-0x0000000140000000-0x00000001401BD000-memory.dmp
memory/3952-90-0x0000023016BC0000-0x0000023016BC7000-memory.dmp