Analysis
- max time kernel
147s - max time network
138s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
25/02/2024, 18:45
General
- Target file.exe
- Size 2.6MB
- Sample240225-xd2v2aaa47
- SHA256 53e7ca3f5bd800d3d179b315ee9c73c9d2b4f48ff3adf5583792e8e7fa6b1efa
Malware Config
Signatures
- Detect Socks5Systemz Payload 5 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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-GIS4E.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-GIS4E.tmp\file.tmp" /SL5="$30156,2439173,54272,C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Menu\menu.exe"C:\Users\Admin\AppData\Local\Menu\menu.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Menu\menu.exe"C:\Users\Admin\AppData\Local\Menu\menu.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
menu.exe
menu.exe
menu.exe
file.tmp
_iscrypt.dll
_shfoldr.dll
memory/2484-101-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-94-0x0000000002890000-0x0000000002932000-memory.dmp
memory/2484-110-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-107-0x0000000002890000-0x0000000002932000-memory.dmp
memory/2484-104-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-113-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-88-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-98-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-60-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-95-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-62-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-108-0x0000000002890000-0x0000000002932000-memory.dmp
memory/2484-91-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-67-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-70-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-71-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-74-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-77-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-80-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2484-81-0x0000000002890000-0x0000000002932000-memory.dmp
memory/2484-85-0x0000000002890000-0x0000000002932000-memory.dmp
memory/2544-52-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2544-56-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2544-53-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2544-51-0x0000000000400000-0x0000000000791000-memory.dmp
memory/2980-59-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2980-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3024-64-0x00000000031B0000-0x0000000003541000-memory.dmp
memory/3024-63-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3024-61-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/3024-49-0x00000000031B0000-0x0000000003541000-memory.dmp
memory/3024-8-0x0000000000240000-0x0000000000241000-memory.dmp