Analysis
- max time kernel
141s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
24/03/2024, 18:21
General
- Target 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe
- Size 2.2MB
- Sample240324-wzd6eshd8s
- SHA256 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7
Malware Config
Extracted
-
socks5systemz
-
http://bdolmbo.com/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978a371ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe12c0eb90993c
-
http://bdolmbo.com/search/?q=67e28dd8645af52e420aad1d7c27d78406abdd88be4b12eab517aa5c96bd86ef95824a815a8bbc896c58e713bc90c91b36b5281fc235a925ed3e00d6bd974a95129070b611e96cc92be510b866db51b9e34eed4c2b14a82966836f23d7f210c7ee94993bc96a9511
Signatures
- Detect Socks5Systemz Payload 5 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\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-A5L6R.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp"C:\Users\Admin\AppData\Local\Temp\is-A5L6R.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp" /SL5="$700D8,1969563,54272,C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
sitefreeedition.exe
sitefreeedition.exe
sitefreeedition.exe
70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp
_iscrypt.dll
memory/2280-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2280-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2280-48-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2964-79-0x0000000000AE0000-0x0000000000B82000-memory.dmp
memory/2964-64-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-100-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-46-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-47-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-97-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-93-0x0000000000AE0000-0x0000000000B82000-memory.dmp
memory/2964-50-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-92-0x0000000000AE0000-0x0000000000B82000-memory.dmp
memory/2964-52-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-55-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-58-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-61-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-91-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-65-0x0000000000AE0000-0x0000000000B82000-memory.dmp
memory/2964-69-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-70-0x0000000000AE0000-0x0000000000B82000-memory.dmp
memory/2964-75-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-78-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-88-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-82-0x0000000000400000-0x0000000000633000-memory.dmp
memory/2964-85-0x0000000000400000-0x0000000000633000-memory.dmp
memory/3256-43-0x0000000000400000-0x0000000000633000-memory.dmp
memory/3256-39-0x0000000000400000-0x0000000000633000-memory.dmp
memory/3256-38-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4888-7-0x0000000002440000-0x0000000002441000-memory.dmp
memory/4888-51-0x0000000002440000-0x0000000002441000-memory.dmp
memory/4888-49-0x0000000000400000-0x00000000004B8000-memory.dmp