Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
26/06/2026, 12:45
General
- Target MO_TA_VIEC_LAM_PDF (1)/uxtheme.dll
- Size 220KB
- Sample260626-py547act4j
- SHA256 20471a44987c563b0701f18e5fa20b797fe046674f67563c8904b9a90e056394
Malware Config
Signatures
- Downloads MZ/PE file 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory 1 IoCs
- Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 14 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\MO_TA_VIEC_LAM_PDF (1)\uxtheme.dll",#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\explorer.exeexplorer.exe2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\explorer.exeexplorer.exe3⤵
- Downloads MZ/PE file
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"4⤵
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"4⤵
-
-
C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"4⤵
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"4⤵
-
-
-
-
C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
-
C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
-
C:\Users\Admin\AppData\Local\demo.exeC:\Users\Admin\AppData\Local\demo.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
-
C:\Windows\explorer.exeexplorer.exe2⤵
-
C:\Windows\explorer.exeexplorer.exe3⤵
-
-
-
C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
-
C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
cookies.json
cookies.txt
fingerprint.json
SumatraPDF-settings.txt
UxTheme.dll
demo.exe
fingerprint.json
memory/3044-102-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-15-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-11-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-9-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-7-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-6-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-0-0x0000000001240000-0x0000000001244000-memory.dmp
memory/3044-1-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-29-0x0000000003A40000-0x0000000003BA5000-memory.dmp
memory/3044-40-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-45-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-49-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-47-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-46-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-44-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-43-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-42-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-41-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-39-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-37-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-48-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-36-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-38-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-32-0x0000000003ED0000-0x000000000406A000-memory.dmp
memory/3044-13-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-12-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-138-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-136-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-14-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-124-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-10-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-111-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-113-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-118-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-121-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-112-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-114-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-115-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-119-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-120-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-122-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-16-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-17-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-18-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-123-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-8-0x0000000001250000-0x00000000012A5000-memory.dmp
memory/3044-107-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-116-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/3044-117-0x0000000003EC0000-0x000000000405A000-memory.dmp
memory/4020-70-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-68-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-58-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-63-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-64-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-93-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-69-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-66-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-65-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-71-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-67-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-72-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-73-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-74-0x0000000002570000-0x00000000025C5000-memory.dmp
memory/4020-75-0x0000000002570000-0x00000000025C5000-memory.dmp