Analysis
- max time kernel
292s - max time network
285s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 22:45
General
- Target 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe
- Size 4.9MB
- Sample240530-2pebbsce2w
- SHA256 3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 2 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\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe"C:\Users\Admin\AppData\Local\Temp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-D21D2.tmp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp"C:\Users\Admin\AppData\Local\Temp\is-D21D2.tmp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp" /SL5="$12007C,4841857,54272,C:\Users\Admin\AppData\Local\Temp\3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe"C:\Users\Admin\AppData\Local\Stereo Tool\stereotool32.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
stereotool32.exe
3505c8e89418be9d0902a9ca383bb4dfdc83d8948f2ba30d290ea5ca2581be24.tmp
_iscrypt.dll
memory/2960-106-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-109-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-128-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-125-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-122-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-118-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-66-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-115-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-112-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-69-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-72-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-75-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-78-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-81-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-91-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-100-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-84-0x00000000009C0000-0x0000000000A62000-memory.dmp
memory/2960-94-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-97-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-86-0x0000000000400000-0x0000000000705000-memory.dmp
memory/2960-103-0x0000000000400000-0x0000000000705000-memory.dmp
memory/3048-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3048-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4292-63-0x0000000000400000-0x0000000000705000-memory.dmp
memory/4292-60-0x0000000000400000-0x0000000000705000-memory.dmp
memory/4292-59-0x0000000000400000-0x0000000000705000-memory.dmp
memory/4864-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4864-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4864-2-0x0000000000401000-0x000000000040B000-memory.dmp