Analysis
- max time kernel
148s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/04/2024, 00:31
General
- Target 921bb6e3a86de7e4d28447a4cec13e70.exe
- Size 4.1MB
- Sample240407-at2tmsfe4v
- SHA256 098a35dc7ec119ef4f9ee52734366b96942a5f594dd343a7763b63e188ef2590
Malware Config
Extracted
-
socks5systemz
-
http://dthiijx.info/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffd15c4e69c993d
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 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\921bb6e3a86de7e4d28447a4cec13e70.exe"C:\Users\Admin\AppData\Local\Temp\921bb6e3a86de7e4d28447a4cec13e70.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-69G53.tmp\921bb6e3a86de7e4d28447a4cec13e70.tmp"C:\Users\Admin\AppData\Local\Temp\is-69G53.tmp\921bb6e3a86de7e4d28447a4cec13e70.tmp" /SL5="$70232,3986250,54272,C:\Users\Admin\AppData\Local\Temp\921bb6e3a86de7e4d28447a4cec13e70.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe"C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe"C:\Users\Admin\AppData\Local\WOBPlayer\wobplayer32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_iscrypt.dll
921bb6e3a86de7e4d28447a4cec13e70.tmp
wobplayer32.exe
memory/2244-50-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2244-52-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/2244-7-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/3324-79-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-65-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-99-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-46-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-48-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-96-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-92-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-51-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-89-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-55-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-56-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-59-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-62-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-86-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-68-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/3324-69-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-71-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/3324-76-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-83-0x0000000000400000-0x0000000000697000-memory.dmp
memory/3324-80-0x0000000000930000-0x00000000009D2000-memory.dmp
memory/4312-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4312-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4312-49-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4500-40-0x0000000000400000-0x0000000000697000-memory.dmp
memory/4500-39-0x0000000000400000-0x0000000000697000-memory.dmp
memory/4500-43-0x0000000000400000-0x0000000000697000-memory.dmp