Analysis
- max time kernel
47s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
18/01/2024, 03:07
General
- Target 644ff3dd577c27a17d3850d07e68a703.dll
- Size 3.2MB
- Sample240118-dmlevsbfal
- SHA256 82932ad33b050695d00e595332e50d0d08f0d68184ecf8988373d21d10307e2d
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 16 IoCs
- Suspicious use of FindShellTrayWindow 2 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\644ff3dd577c27a17d3850d07e68a703.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\msinfo32.exeC:\Windows\system32\msinfo32.exe1⤵
-
C:\Windows\system32\wusa.exeC:\Windows\system32\wusa.exe1⤵
-
C:\Users\Admin\AppData\Local\n7Mm\msinfo32.exeC:\Users\Admin\AppData\Local\n7Mm\msinfo32.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Users\Admin\AppData\Local\wEp9tO\wusa.exeC:\Users\Admin\AppData\Local\wEp9tO\wusa.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
-
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe1⤵
-
C:\Users\Admin\AppData\Local\ywI\wermgr.exeC:\Users\Admin\AppData\Local\ywI\wermgr.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
MFC42u.dll
msinfo32.exe
msinfo32.exe
WTSAPI32.dll
wusa.exe
wusa.exe
wer.dll
wer.dll
wermgr.exe
wermgr.exe
Aqwbkkvq.lnk
wer.dll
MFC42u.dll
WTSAPI32.dll
memory/3520-48-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-63-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-28-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-29-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-30-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-31-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-35-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-34-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-36-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-38-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-39-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-40-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-42-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-43-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-41-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-37-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-44-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-45-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-33-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-32-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-27-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-25-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-24-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-10-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-9-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-4-0x0000000009010000-0x0000000009011000-memory.dmp
memory/3520-52-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-54-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-56-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-59-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-61-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-64-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-65-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-26-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-62-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-70-0x0000000001090000-0x0000000001097000-memory.dmp
memory/3520-60-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-78-0x00007FFBD0060000-0x00007FFBD0070000-memory.dmp
memory/3520-58-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-57-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-55-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-53-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-51-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-50-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-49-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-46-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-47-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-23-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-22-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-6-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-21-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-20-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-11-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-7-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-12-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-19-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-18-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-8-0x00007FFBCEFDA000-0x00007FFBCEFDB000-memory.dmp
memory/3520-16-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-15-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-14-0x0000000140000000-0x0000000140335000-memory.dmp
memory/3520-13-0x0000000140000000-0x0000000140335000-memory.dmp
memory/4324-115-0x000001EC33390000-0x000001EC33397000-memory.dmp
memory/4608-133-0x00000164AF180000-0x00000164AF187000-memory.dmp
memory/4668-100-0x000001BB0F780000-0x000001BB0F787000-memory.dmp
memory/4848-1-0x00000212581D0000-0x00000212581D7000-memory.dmp
memory/4848-0-0x0000000140000000-0x0000000140335000-memory.dmp
memory/4848-17-0x0000000140000000-0x0000000140335000-memory.dmp