Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
26/02/2024, 11:46
General
- Target e0ffbcd3d93ca9a936995c2c8b182981.exe
- Size 2.6MB
- Sample240226-nxaffscg45
- SHA256 63aa382df2c77d54b5b8e48a3c81df1f7e91cf86d8f64def9a887aa9dc617fbd
Malware Config
Extracted
-
socks5systemz
-
http://csvedfy.net/search/?q=67e28dd86e55a17b115bfa187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978a371ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ef718c4e7959932
Signatures
- Detect Socks5Systemz Payload 3 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e0ffbcd3d93ca9a936995c2c8b182981.exe"C:\Users\Admin\AppData\Local\Temp\e0ffbcd3d93ca9a936995c2c8b182981.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-KELIS.tmp\e0ffbcd3d93ca9a936995c2c8b182981.tmp"C:\Users\Admin\AppData\Local\Temp\is-KELIS.tmp\e0ffbcd3d93ca9a936995c2c8b182981.tmp" /SL5="$D01E0,2466609,54272,C:\Users\Admin\AppData\Local\Temp\e0ffbcd3d93ca9a936995c2c8b182981.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\LiveCD\livecd32.exe"C:\Users\Admin\AppData\Local\LiveCD\livecd32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\LiveCD\livecd32.exe"C:\Users\Admin\AppData\Local\LiveCD\livecd32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
livecd32.exe
e0ffbcd3d93ca9a936995c2c8b182981.tmp
_iscrypt.dll
_isdecmp.dll
memory/552-53-0x0000000000400000-0x000000000073E000-memory.dmp
memory/552-51-0x0000000000400000-0x000000000073E000-memory.dmp
memory/552-52-0x0000000000400000-0x000000000073E000-memory.dmp
memory/552-56-0x0000000000400000-0x000000000073E000-memory.dmp
memory/1492-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1492-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1492-60-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2180-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2180-64-0x0000000002340000-0x0000000002341000-memory.dmp
memory/2180-61-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/4408-66-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-82-0x0000000000AB0000-0x0000000000B52000-memory.dmp
memory/4408-59-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-67-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-70-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-73-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-76-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-79-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-80-0x0000000000AB0000-0x0000000000B52000-memory.dmp
memory/4408-62-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-87-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-90-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-92-0x0000000000AB0000-0x0000000000B52000-memory.dmp
memory/4408-94-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-97-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-100-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-103-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-107-0x0000000000400000-0x000000000073E000-memory.dmp
memory/4408-110-0x0000000000400000-0x000000000073E000-memory.dmp