Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
26/06/2024, 23:00
General
- Target 6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.exe
- Size 5.0MB
- Sample240626-2y3ehs1hlq
- SHA256 6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c
Malware Config
Extracted
-
socks5systemz
-
erhglzi.ua
-
http://erhglzi.ua/search/?q=67e28dd8685ff37d4306f81a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff615c4ed9d923d
Signatures
- Detect Socks5Systemz Payload 1 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\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.exe"C:\Users\Admin\AppData\Local\Temp\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-OB5KU.tmp\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.tmp"C:\Users\Admin\AppData\Local\Temp\is-OB5KU.tmp\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.tmp" /SL5="$12004A,5041220,54272,C:\Users\Admin\AppData\Local\Temp\6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe"C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audionormalizer32_64.exe
_iscrypt.dll
6801c4c852542deb84bb4bc1cafc3dad5dcdb2b658ecb9508c032c5e75d5aa7c.tmp
memory/1000-96-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-80-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-115-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-112-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-108-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-105-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-102-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-68-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-99-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-93-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-71-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-74-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-77-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-90-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-83-0x0000000000400000-0x000000000076F000-memory.dmp
memory/1000-86-0x00000000025A0000-0x0000000002642000-memory.dmp
memory/2888-65-0x0000000000400000-0x000000000076F000-memory.dmp
memory/2888-63-0x0000000000400000-0x000000000076F000-memory.dmp
memory/2888-60-0x0000000000400000-0x000000000076F000-memory.dmp
memory/2888-59-0x0000000000400000-0x000000000076F000-memory.dmp
memory/2916-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2916-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3960-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3960-69-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3960-3-0x0000000000401000-0x000000000040B000-memory.dmp