Analysis
- max time kernel
142s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
01/06/2024, 19:44
General
- Target 2a3ce5b6f7813c696ab1746ac76844d4d6fed89998871f268dc9b10262c7b808.exe
- Size 134KB
- Sample240601-yf49lsdg76
- SHA256 2a3ce5b6f7813c696ab1746ac76844d4d6fed89998871f268dc9b10262c7b808
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 5 IoCs
- Executes dropped EXE 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a3ce5b6f7813c696ab1746ac76844d4d6fed89998871f268dc9b10262c7b808.exe"C:\Users\Admin\AppData\Local\Temp\2a3ce5b6f7813c696ab1746ac76844d4d6fed89998871f268dc9b10262c7b808.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Update\WwanSvc.exe"C:\ProgramData\Update\WwanSvc.exe" /run2⤵
- Executes dropped EXE
-
-
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=4116 --field-trial-handle=2280,i,4114443225282860369,4764091921472631035,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
WwanSvc.exe
memory/2252-0-0x0000000000AD0000-0x0000000000AF8000-memory.dmp
memory/2252-6-0x0000000000AD0000-0x0000000000AF8000-memory.dmp
memory/4020-4-0x0000000000F20000-0x0000000000F48000-memory.dmp
memory/4020-7-0x0000000000F20000-0x0000000000F48000-memory.dmp