Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/02/2024, 08:41
General
- Target a79f8dad001028d741448b31d9bc1bde.exe
- Size 2.6MB
- Sample240227-klen9ace38
- SHA256 64eff7516ca3d56873cea7c8f907a595b6812f70353fa15cc253fe0c03e2248b
Malware Config
Extracted
-
socks5systemz
-
http://dtlwxxa.info/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c64bdb22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef611c2ec969939
Signatures
- Detect Socks5Systemz Payload 3 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a79f8dad001028d741448b31d9bc1bde.exe"C:\Users\Admin\AppData\Local\Temp\a79f8dad001028d741448b31d9bc1bde.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-DH2T8.tmp\a79f8dad001028d741448b31d9bc1bde.tmp"C:\Users\Admin\AppData\Local\Temp\is-DH2T8.tmp\a79f8dad001028d741448b31d9bc1bde.tmp" /SL5="$E0060,2328302,56832,C:\Users\Admin\AppData\Local\Temp\a79f8dad001028d741448b31d9bc1bde.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe"C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe"C:\Users\Admin\AppData\Local\Video Manager\vmanager.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
a79f8dad001028d741448b31d9bc1bde.tmp
_iscrypt.dll
vmanager.exe
memory/752-36-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/752-37-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/752-41-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/1208-47-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/1208-6-0x0000000000650000-0x0000000000651000-memory.dmp
memory/1208-49-0x0000000000650000-0x0000000000651000-memory.dmp
memory/3352-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3352-46-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3496-52-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-67-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-45-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-44-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-53-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-56-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-59-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-62-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-65-0x0000000000AE0000-0x0000000000B82000-memory.dmp
memory/3496-48-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-68-0x0000000000AE0000-0x0000000000B82000-memory.dmp
memory/3496-73-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-76-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-77-0x0000000000AE0000-0x0000000000B82000-memory.dmp
memory/3496-80-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-83-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-86-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-89-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-93-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/3496-96-0x0000000000400000-0x00000000007C7000-memory.dmp