Analysis
- max time kernel
150s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
19/03/2024, 17:20
General
- Target f8de8fc08442de00ec8b39735fccb489.exe
- Size 2.1MB
- Sample240319-vwer4shd99
- SHA256 1e875f03d2cb485b83af313f5ae7ef91b92611d2ea936365789577d2db5c2c01
Malware Config
Extracted
-
socks5systemz
-
http://didlidi.info/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c647db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608fff19c6e79d9d3d
-
http://didlidi.info/search/?q=67e28dd86e58a42e450ca94d7c27d78406abdd88be4b12eab517aa5c96bd86e9948e4d865a8bbc896c58e713bc90c91b36b5281fc235a925ed3e55d6bd974a95129070b614e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee95923dc5679110
Signatures
- Detect Socks5Systemz Payload 4 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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f8de8fc08442de00ec8b39735fccb489.exe"C:\Users\Admin\AppData\Local\Temp\f8de8fc08442de00ec8b39735fccb489.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5L667.tmp\f8de8fc08442de00ec8b39735fccb489.tmp"C:\Users\Admin\AppData\Local\Temp\is-5L667.tmp\f8de8fc08442de00ec8b39735fccb489.tmp" /SL5="$90170,1829348,54272,C:\Users\Admin\AppData\Local\Temp\f8de8fc08442de00ec8b39735fccb489.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\VRCP SPRuler\vrcpcpruler.exe"C:\Users\Admin\AppData\Local\VRCP SPRuler\vrcpcpruler.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\VRCP SPRuler\vrcpcpruler.exe"C:\Users\Admin\AppData\Local\VRCP SPRuler\vrcpcpruler.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
f8de8fc08442de00ec8b39735fccb489.tmp
_iscrypt.dll
vrcpcpruler.exe
vrcpcpruler.exe
vrcpcpruler.exe
memory/1636-50-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1636-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/1636-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/1740-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1740-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1740-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4708-60-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-66-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-98-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-95-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-49-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-91-0x0000000000820000-0x00000000008C2000-memory.dmp
memory/4708-53-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-54-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-57-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-90-0x0000000000820000-0x00000000008C2000-memory.dmp
memory/4708-63-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-46-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-67-0x0000000000820000-0x00000000008C2000-memory.dmp
memory/4708-73-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-76-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-77-0x0000000000820000-0x00000000008C2000-memory.dmp
memory/4708-80-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-83-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-86-0x0000000000400000-0x000000000060F000-memory.dmp
memory/4708-89-0x0000000000400000-0x000000000060F000-memory.dmp
memory/5044-38-0x0000000000400000-0x000000000060F000-memory.dmp
memory/5044-39-0x0000000000400000-0x000000000060F000-memory.dmp
memory/5044-42-0x0000000000400000-0x000000000060F000-memory.dmp
memory/5044-43-0x0000000000400000-0x000000000060F000-memory.dmp