Analysis
- max time kernel
151s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
21/01/2024, 09:39
General
- Target 6cf99878a472700f873bfe4ba861b27e.dll
- Size 1.6MB
- Sample240121-lmpfhsbag2
- SHA256 770fabafd2e9368ab8dfdcce39b8dfde8df9439be93f5fc9184c90206dae4d16
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 AdjustPrivilegeToken 8 IoCs
- Suspicious use of FindShellTrayWindow 2 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\6cf99878a472700f873bfe4ba861b27e.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\quickassist.exeC:\Windows\system32\quickassist.exe1⤵
-
C:\Users\Admin\AppData\Local\85KW\quickassist.exeC:\Users\Admin\AppData\Local\85KW\quickassist.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\DWWIN.EXEC:\Windows\system32\DWWIN.EXE1⤵
-
C:\Users\Admin\AppData\Local\FqtjT5EE6\DWWIN.EXEC:\Users\Admin\AppData\Local\FqtjT5EE6\DWWIN.EXE1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\mblctr.exeC:\Windows\system32\mblctr.exe1⤵
-
C:\Users\Admin\AppData\Local\nGSSjjB\mblctr.exeC:\Users\Admin\AppData\Local\nGSSjjB\mblctr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
UxTheme.dll
quickassist.exe
DWWIN.EXE
wer.dll
WINMM.dll
mblctr.exe
Btpzaqnqvnv.lnk
memory/1160-88-0x0000000140000000-0x0000000140193000-memory.dmp
memory/1160-81-0x0000000140000000-0x0000000140193000-memory.dmp
memory/1160-82-0x000002B253350000-0x000002B253357000-memory.dmp
memory/1160-80-0x0000000140000000-0x0000000140193000-memory.dmp
memory/3260-120-0x00000221EEDD0000-0x00000221EEDD7000-memory.dmp
memory/3260-118-0x0000000140000000-0x0000000140194000-memory.dmp
memory/3260-126-0x0000000140000000-0x0000000140194000-memory.dmp
memory/3440-39-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-48-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-21-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-7-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-9-0x00007FFE42BBA000-0x00007FFE42BBB000-memory.dmp
memory/3440-24-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-25-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-26-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-27-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-28-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-29-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-30-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-31-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-33-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-32-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-34-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-35-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-36-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-37-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-38-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-5-0x0000000003680000-0x0000000003681000-memory.dmp
memory/3440-40-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-41-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-42-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-43-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-44-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-45-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-46-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-47-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-23-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-49-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-50-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-52-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-51-0x0000000002F30000-0x0000000002F37000-memory.dmp
memory/3440-59-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-60-0x00007FFE44340000-0x00007FFE44350000-memory.dmp
memory/3440-69-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-71-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-15-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-20-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-19-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-18-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-17-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-16-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-8-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-14-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-10-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-11-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-12-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3440-13-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3952-22-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3952-0-0x0000000140000000-0x0000000140192000-memory.dmp
memory/3952-2-0x000001E417E10000-0x000001E417E17000-memory.dmp
memory/3952-1-0x0000000140000000-0x0000000140192000-memory.dmp
memory/4048-107-0x0000000140000000-0x0000000140194000-memory.dmp
memory/4048-99-0x0000000140000000-0x0000000140194000-memory.dmp
memory/4048-101-0x00000298BB6D0000-0x00000298BB6D7000-memory.dmp