Analysis
- max time kernel
145s - max time network
136s - platform
windows7_x64 - resource
win7-20240221-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://bbudbqd.com/search/?q=67e28dd86d0ef17b460ef9177c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa45e8889b5e4fa9281ae978f671ea771795af8e05c64bdb22f31df92d8b38e316a667d307eca743ec4c2b07b52966923b6e8efd12c3eb97
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 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 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a79f8dad001028d741448b31d9bc1bde.exe"C:\Users\Admin\AppData\Local\Temp\a79f8dad001028d741448b31d9bc1bde.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-0QFAU.tmp\a79f8dad001028d741448b31d9bc1bde.tmp"C:\Users\Admin\AppData\Local\Temp\is-0QFAU.tmp\a79f8dad001028d741448b31d9bc1bde.tmp" /SL5="$4010A,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
Loading Replay Monitor...
Downloads
a79f8dad001028d741448b31d9bc1bde.tmp
_iscrypt.dll
_shfoldr.dll
vmanager.exe
memory/824-8-0x0000000000240000-0x0000000000241000-memory.dmp
memory/824-41-0x00000000051E0000-0x00000000055A7000-memory.dmp
memory/824-57-0x00000000051E0000-0x00000000055A7000-memory.dmp
memory/824-56-0x0000000000240000-0x0000000000241000-memory.dmp
memory/824-54-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/2280-53-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2280-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2540-45-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2540-44-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2540-43-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2540-48-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-70-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-75-0x0000000002850000-0x00000000028F2000-memory.dmp
memory/2732-50-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-60-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-63-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-64-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-67-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-52-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-73-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-55-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-74-0x0000000002850000-0x00000000028F2000-memory.dmp
memory/2732-81-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-84-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-87-0x0000000002850000-0x00000000028F2000-memory.dmp
memory/2732-88-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-91-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-94-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-97-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-101-0x0000000000400000-0x00000000007C7000-memory.dmp
memory/2732-104-0x0000000000400000-0x00000000007C7000-memory.dmp