Analysis
- max time kernel
295s - max time network
298s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
07/06/2024, 01:06
General
- Target b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.exe
- Size 6.2MB
- Sample240607-bf94jaeh4x
- SHA256 b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca
Malware Config
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\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.exe"C:\Users\Admin\AppData\Local\Temp\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-0UC8K.tmp\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.tmp"C:\Users\Admin\AppData\Local\Temp\is-0UC8K.tmp\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.tmp" /SL5="$60204,6201179,54272,C:\Users\Admin\AppData\Local\Temp\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe"C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe"C:\Users\Admin\AppData\Local\Mixability\mixability32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mixability32_64.exe
b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.tmp
_iscrypt.dll
memory/1052-7-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1052-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3672-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3672-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3672-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4520-105-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-96-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-132-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-127-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-70-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-73-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-74-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-77-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-80-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-83-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-86-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-87-0x0000000000B90000-0x0000000000C32000-memory.dmp
memory/4520-93-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-66-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-99-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-102-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-124-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-108-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-112-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-115-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-118-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4520-121-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4668-59-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4668-60-0x0000000000400000-0x000000000089C000-memory.dmp
memory/4668-64-0x0000000000400000-0x000000000089C000-memory.dmp