Analysis
- max time kernel
292s - max time network
291s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 23:18
General
- Target 9b68601107d64da22bf83fb205c82f3d72dfae394309bb1c26194d63da01cbfa.exe
- Size 4.7MB
- Sample240530-3aetzsef93
- SHA256 9b68601107d64da22bf83fb205c82f3d72dfae394309bb1c26194d63da01cbfa
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\9b68601107d64da22bf83fb205c82f3d72dfae394309bb1c26194d63da01cbfa.exe"C:\Users\Admin\AppData\Local\Temp\9b68601107d64da22bf83fb205c82f3d72dfae394309bb1c26194d63da01cbfa.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NK09M.tmp\9b68601107d64da22bf83fb205c82f3d72dfae394309bb1c26194d63da01cbfa.tmp"C:\Users\Admin\AppData\Local\Temp\is-NK09M.tmp\9b68601107d64da22bf83fb205c82f3d72dfae394309bb1c26194d63da01cbfa.tmp" /SL5="$5022E,4653309,54272,C:\Users\Admin\AppData\Local\Temp\9b68601107d64da22bf83fb205c82f3d72dfae394309bb1c26194d63da01cbfa.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
9b68601107d64da22bf83fb205c82f3d72dfae394309bb1c26194d63da01cbfa.tmp
_iscrypt.dll
memory/1824-106-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-109-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-128-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-125-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-122-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-119-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-65-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-115-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-112-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-69-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-72-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-75-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-78-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-81-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-91-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-100-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-82-0x0000000002410000-0x00000000024B2000-memory.dmp
memory/1824-94-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-97-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-86-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/1824-103-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/3152-63-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/3152-60-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/3152-59-0x0000000000400000-0x00000000006D8000-memory.dmp
memory/4092-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4092-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4092-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4476-8-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4476-68-0x0000000000400000-0x00000000004BA000-memory.dmp