Analysis
- max time kernel
143s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
02/06/2024, 09:09
General
- Target 45b2ba7bf042c9576fc1b1a9aef7184d029cf8b4e90490a3661fa75aa46dc8c4.exe
- Size 6.9MB
- Sample240602-k4l62she29
- SHA256 45b2ba7bf042c9576fc1b1a9aef7184d029cf8b4e90490a3661fa75aa46dc8c4
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 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\45b2ba7bf042c9576fc1b1a9aef7184d029cf8b4e90490a3661fa75aa46dc8c4.exe"C:\Users\Admin\AppData\Local\Temp\45b2ba7bf042c9576fc1b1a9aef7184d029cf8b4e90490a3661fa75aa46dc8c4.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-56NN7.tmp\45b2ba7bf042c9576fc1b1a9aef7184d029cf8b4e90490a3661fa75aa46dc8c4.tmp"C:\Users\Admin\AppData\Local\Temp\is-56NN7.tmp\45b2ba7bf042c9576fc1b1a9aef7184d029cf8b4e90490a3661fa75aa46dc8c4.tmp" /SL5="$8020E,6988382,54272,C:\Users\Admin\AppData\Local\Temp\45b2ba7bf042c9576fc1b1a9aef7184d029cf8b4e90490a3661fa75aa46dc8c4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_iscrypt.dll
_isdecmp.dll
45b2ba7bf042c9576fc1b1a9aef7184d029cf8b4e90490a3661fa75aa46dc8c4.tmp
voicechangeremerald.exe
memory/1112-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1112-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1236-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1236-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1236-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1924-65-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/1924-66-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/1924-71-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/1924-67-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-93-0x0000000000AB0000-0x0000000000B52000-memory.dmp
memory/3620-100-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-80-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-81-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-84-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-87-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-90-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-74-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-97-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-77-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-103-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-106-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-109-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-112-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-115-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-119-0x0000000000400000-0x00000000008CC000-memory.dmp
memory/3620-122-0x0000000000400000-0x00000000008CC000-memory.dmp