Analysis
- max time kernel
151s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
26/03/2024, 21:34
General
- Target e0254c095bd90fa84c00e7b87f6c9a93.dll
- Size 25KB
- Sample240326-1et4csch88
- SHA256 53acc477b09a95cb847826e989556275840049c76c1105b43fad085185b8c2af
Malware Config
Signatures
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops file in System32 directory 2 IoCs
- Modifies registry class 4 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e0254c095bd90fa84c00e7b87f6c9a93.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e0254c095bd90fa84c00e7b87f6c9a93.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Windows\system32\vtUkheCs.dll,a3⤵
- Loads dropped DLL
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3804 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
vtUkheCs.dll
memory/1364-11-0x0000000000980000-0x0000000000992000-memory.dmp
memory/1364-2-0x0000000010000000-0x0000000010012000-memory.dmp
memory/1364-1-0x0000000010000000-0x0000000010012000-memory.dmp
memory/1364-9-0x0000000000980000-0x0000000000992000-memory.dmp
memory/1364-10-0x0000000000980000-0x0000000000992000-memory.dmp
memory/1364-0-0x0000000010000000-0x0000000010012000-memory.dmp
memory/1364-12-0x0000000000980000-0x0000000000992000-memory.dmp
memory/1364-13-0x0000000000980000-0x0000000000992000-memory.dmp
memory/1364-14-0x0000000010000000-0x0000000010012000-memory.dmp
memory/2084-22-0x0000000010000000-0x0000000010012000-memory.dmp
memory/2084-23-0x0000000010000000-0x0000000010012000-memory.dmp
memory/2084-24-0x0000000010000000-0x0000000010012000-memory.dmp
memory/2084-25-0x0000000010000000-0x0000000010012000-memory.dmp