Analysis
- max time kernel
148s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
30/03/2024, 14:00
General
- Target 6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.exe
- Size 1.9MB
- Sample240330-ra17fagf39
- SHA256 6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860
Malware Config
Extracted
-
socks5systemz
-
http://ckubwlo.net/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe19c0e8979d33
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 WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.exe"C:\Users\Admin\AppData\Local\Temp\6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-7K78Q.tmp\6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.tmp"C:\Users\Admin\AppData\Local\Temp\is-7K78Q.tmp\6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.tmp" /SL5="$601EA,1596360,54272,C:\Users\Admin\AppData\Local\Temp\6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\CD Audio Converter\cdaudioconverter.exe"C:\Users\Admin\AppData\Local\CD Audio Converter\cdaudioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\CD Audio Converter\cdaudioconverter.exe"C:\Users\Admin\AppData\Local\CD Audio Converter\cdaudioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
cdaudioconverter.exe
_iscrypt.dll
6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.tmp
memory/1940-38-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/1940-39-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/1940-42-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/1940-43-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/1984-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1984-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1984-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3728-54-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-81-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-97-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-49-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-94-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-53-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-90-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-57-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-60-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-63-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-66-0x00000000007B0000-0x0000000000852000-memory.dmp
memory/3728-67-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-69-0x00000000007B0000-0x0000000000852000-memory.dmp
memory/3728-74-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-77-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-78-0x00000000007B0000-0x0000000000852000-memory.dmp
memory/3728-46-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-84-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/3728-87-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/4048-7-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/4048-50-0x00000000006A0000-0x00000000006A1000-memory.dmp
memory/4048-48-0x0000000000400000-0x00000000004B8000-memory.dmp