Analysis
- max time kernel
158s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
14/06/2024, 01:11
General
- Target 395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe
- Size 4.8MB
- Sample240614-bj1dhasgrj
- SHA256 395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Detects executables packed with VMProtect. 13 IoCs
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe"C:\Users\Admin\AppData\Local\Temp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-VRF3N.tmp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp"C:\Users\Admin\AppData\Local\Temp\is-VRF3N.tmp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp" /SL5="$600EA,4731495,54272,C:\Users\Admin\AppData\Local\Temp\395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\freeaudioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
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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=1420 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
freeaudioconverter.exe
_iscrypt.dll
395a04d595a1e12f6d75f23808ccef0cf0484c29d706c59882f68057f860ed3f.tmp
memory/2548-84-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-97-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-78-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-106-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-103-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-75-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-100-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-81-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-87-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-94-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/2548-90-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/3248-63-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3248-20-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3248-9-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4268-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4268-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4268-8-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4268-19-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4268-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4920-70-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/4920-67-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/4920-66-0x0000000000400000-0x00000000006FB000-memory.dmp
memory/4920-64-0x0000000000400000-0x00000000006FB000-memory.dmp