Analysis
- max time kernel
149s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
02/07/2024, 10:17
General
- Target file.exe
- Size 5.3MB
- Sample240702-mbc4saxfqe
- SHA256 4783a7d327acb7eecb81d4d12d6c613d82ca759f23ba8b605f920b00b0ed4e33
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- 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
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-DBA0R.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-DBA0R.tmp\file.tmp" /SL5="$B004E,5335502,54272,C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.exe"C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper.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 --field-trial-handle=3756,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=1328 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_iscrypt.dll
file.tmp
udadvdfreeripper.exe
memory/2464-70-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2464-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2464-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3364-90-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-95-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-116-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-113-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-68-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-69-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-110-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-107-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-72-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-75-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-76-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-79-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-82-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-85-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-88-0x0000000000A90000-0x0000000000B32000-memory.dmp
memory/3364-104-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-101-0x0000000000400000-0x000000000083C000-memory.dmp
memory/3364-98-0x0000000000400000-0x000000000083C000-memory.dmp
memory/4200-60-0x0000000000400000-0x000000000083C000-memory.dmp
memory/4200-59-0x0000000000400000-0x000000000083C000-memory.dmp
memory/4200-65-0x0000000000400000-0x000000000083C000-memory.dmp
memory/4200-64-0x0000000000400000-0x000000000083C000-memory.dmp
memory/4992-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4992-71-0x0000000000400000-0x00000000004BA000-memory.dmp