Analysis
- max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
12/03/2024, 00:07
General
- Target c1f3ce7186aca2f517056a596899d20e.dll
- Size 2.7MB
- Sample240312-aebnxacd55
- SHA256 9e8dd6620d286c192168f897317e4b9e364f5e7dd2014443cb8dcf788e52b803
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 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\c1f3ce7186aca2f517056a596899d20e.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\Utilman.exeC:\Windows\system32\Utilman.exe1⤵
-
C:\Users\Admin\AppData\Local\syi9BSoV\Utilman.exeC:\Users\Admin\AppData\Local\syi9BSoV\Utilman.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\tcmsetup.exeC:\Windows\system32\tcmsetup.exe1⤵
-
C:\Users\Admin\AppData\Local\MLdkP9TkS\tcmsetup.exeC:\Users\Admin\AppData\Local\MLdkP9TkS\tcmsetup.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\shrpubw.exeC:\Windows\system32\shrpubw.exe1⤵
-
C:\Users\Admin\AppData\Local\1sx\shrpubw.exeC:\Users\Admin\AppData\Local\1sx\shrpubw.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
MFC42u.dll
MFC42u.dll
shrpubw.exe
TAPI32.dll
TAPI32.dll
tcmsetup.exe
DUI70.dll
DUI70.dll
Utilman.exe
Txagdzatgusg.lnk
DUI70.dll
TAPI32.dll
MFC42u.dll
memory/3260-97-0x0000014B05DA0000-0x0000014B05DA7000-memory.dmp
memory/3440-45-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-51-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-22-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-23-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-24-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-25-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-26-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-28-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-29-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-27-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-30-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-31-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-32-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-33-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-34-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-35-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-36-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-38-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-37-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-39-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-40-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-41-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-42-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-43-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-44-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-46-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-4-0x0000000004980000-0x0000000004981000-memory.dmp
memory/3440-47-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-48-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-49-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-53-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-54-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-52-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-21-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-50-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-56-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-57-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-58-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-59-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-60-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-61-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-62-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-63-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-65-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-64-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-67-0x0000000002FB0000-0x0000000002FB7000-memory.dmp
memory/3440-55-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-75-0x00007FFA51AC0000-0x00007FFA51AD0000-memory.dmp
memory/3440-20-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-19-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-18-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-17-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-16-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-15-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-14-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-9-0x00007FFA50A1A000-0x00007FFA50A1B000-memory.dmp
memory/3440-12-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-13-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-8-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-6-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-10-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3440-11-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/3652-129-0x0000023A33330000-0x0000023A33337000-memory.dmp
memory/4444-114-0x000001D7C1CC0000-0x000001D7C1CC7000-memory.dmp
memory/5092-1-0x0000000140000000-0x00000001402A8000-memory.dmp
memory/5092-0-0x000001F366A20000-0x000001F366A27000-memory.dmp
memory/5092-7-0x0000000140000000-0x00000001402A8000-memory.dmp