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
160s - max time network
165s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
24/03/2024, 17:36
General
- Target e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
- Size 2.1MB
- Sample240324-v6mkpseb47
- SHA256 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46
Malware Config
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 55 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-4ABG9.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp"C:\Users\Admin\AppData\Local\Temp\is-4ABG9.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp" /SL5="$80090,1887224,54272,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
resource-b.dat
sitefreeedition.exe
sitefreeedition.exe
sitefreeedition.exe
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp
_iscrypt.dll
memory/3040-46-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-49-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-87-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-95-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-44-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-100-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-77-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-84-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-81-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-91-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-78-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3040-53-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-54-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-57-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-60-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-63-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-66-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3040-67-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3040-68-0x0000000000900000-0x00000000009A2000-memory.dmp
memory/3040-74-0x0000000000400000-0x000000000062F000-memory.dmp
memory/3768-50-0x0000000000650000-0x0000000000651000-memory.dmp
memory/3768-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3768-6-0x0000000000650000-0x0000000000651000-memory.dmp
memory/4208-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4208-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4452-42-0x0000000000400000-0x000000000062F000-memory.dmp
memory/4452-41-0x0000000000400000-0x000000000062F000-memory.dmp
memory/4452-38-0x0000000000400000-0x000000000062F000-memory.dmp
memory/4452-37-0x0000000000400000-0x000000000062F000-memory.dmp