Analysis
- max time kernel
142s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
30/05/2024, 15:57
General
- Target b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe
- Size 5.5MB
- Sample240530-td2ngsdf2t
- SHA256 b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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
-
C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp"C:\Users\Admin\AppData\Local\Temp\is-9DLI9.tmp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp" /SL5="$70250,5549854,54272,C:\Users\Admin\AppData\Local\Temp\b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
5kplayer32.exe
_iscrypt.dll
_isdecmp.dll
b3e9e9c375884de466aa2ae8b8119999ff7b23b46863b6ecf1c9a47be166ee3e.tmp
memory/2156-70-0x0000000000400000-0x0000000000745000-memory.dmp
memory/2156-65-0x0000000000400000-0x0000000000745000-memory.dmp
memory/2156-69-0x0000000000400000-0x000000000047F000-memory.dmp
memory/2156-68-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-80-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-93-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3068-72-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-126-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-74-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-123-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-119-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3068-77-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-118-0x0000000000A70000-0x0000000000B12000-memory.dmp
memory/3068-81-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-84-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-87-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-90-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-117-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-96-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-101-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-104-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-105-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-108-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-111-0x0000000000400000-0x0000000000745000-memory.dmp
memory/3068-114-0x0000000000400000-0x0000000000745000-memory.dmp
memory/4408-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4408-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4408-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4696-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4696-76-0x0000000000400000-0x00000000004BA000-memory.dmp