Resubmissions
24/03/2024, 17:36
240324-v6mkpseb471024/03/2024, 17:25
240324-vzb6dsea481024/03/2024, 15:03
240324-sfgknagb511024/03/2024, 14:25
240324-rrgjcsdb8810Analysis
- max time kernel
142s - max time network
125s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
- submitted
24/03/2024, 14:25
General
- Target e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
- Size 2.1MB
- Sample240324-rrgjcsdb88
- SHA256 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46
Malware Config
Extracted
-
socks5systemz
-
http://boolwlm.com/search/?q=67e28dd83e5cf579400faa1d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a471ea771795af8e05c644db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe13c9ef969232
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\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-FA74M.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp"C:\Users\Admin\AppData\Local\Temp\is-FA74M.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp" /SL5="$700DA,1887224,54272,C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.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
_iscrypt.dll
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp
memory/3528-75-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-52-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-79-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-76-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/3528-95-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-44-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-92-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-88-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-47-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-85-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-51-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-82-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-55-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-58-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-61-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-64-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/3528-65-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3528-67-0x0000000000940000-0x00000000009E2000-memory.dmp
memory/3528-72-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3764-37-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3764-41-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3764-38-0x0000000000400000-0x000000000062F000-memory.dmp
memory/4084-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4084-45-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4212-48-0x0000000002440000-0x0000000002441000-memory.dmp
memory/4212-46-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/4212-6-0x0000000002440000-0x0000000002441000-memory.dmp