Analysis
- max time kernel
148s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240214-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://bwoupea.com/search/?q=67e28dd83a58f22a160bab1e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe19c0e8979d3c
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-A7R9F.tmp\6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.tmp"C:\Users\Admin\AppData\Local\Temp\is-A7R9F.tmp\6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.tmp" /SL5="$80068,1596360,54272,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
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Downloads
cdaudioconverter.exe
6ea84c5db2ffa1deb6c8d7ba62d84d2e6da2f420fcf8475f9ddd5e997f100860.tmp
_iscrypt.dll
memory/400-7-0x0000000002340000-0x0000000002341000-memory.dmp
memory/400-50-0x0000000002340000-0x0000000002341000-memory.dmp
memory/400-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/2232-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2232-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2916-69-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/2916-64-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/2916-97-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-94-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-49-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-90-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-53-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-54-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-57-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-60-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-63-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-46-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-68-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-87-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-74-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-77-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-78-0x00000000009E0000-0x0000000000A82000-memory.dmp
memory/2916-81-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/2916-84-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/4548-39-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/4548-38-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/4548-43-0x0000000000400000-0x00000000005F3000-memory.dmp
memory/4548-42-0x0000000000400000-0x00000000005F3000-memory.dmp