Analysis
- max time kernel
292s - max time network
250s - platform
windows7_x64 - resource
win7-20240221-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 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 5 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 15 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.exe"C:\Users\Admin\AppData\Local\Temp\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-7DJHE.tmp\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.tmp"C:\Users\Admin\AppData\Local\Temp\is-7DJHE.tmp\b1d346b8c569cefd695c05f07b968f24dc434e55447ac7dcc67c21fbdb2de6ca.tmp" /SL5="$70122,6201179,54272,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
_shfoldr.dll
memory/1964-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1964-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1964-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2200-76-0x0000000004220000-0x00000000046BC000-memory.dmp
memory/2200-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2200-64-0x0000000004220000-0x00000000046BC000-memory.dmp
memory/2200-74-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2576-65-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2576-66-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2576-69-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-85-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-107-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-79-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-82-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-71-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-88-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-91-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-92-0x00000000024B0000-0x0000000002552000-memory.dmp
memory/2832-98-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-101-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-104-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-75-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-110-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-113-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-115-0x00000000024B0000-0x0000000002552000-memory.dmp
memory/2832-114-0x00000000024B0000-0x0000000002552000-memory.dmp
memory/2832-119-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-122-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-125-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-128-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-131-0x0000000000400000-0x000000000089C000-memory.dmp
memory/2832-134-0x0000000000400000-0x000000000089C000-memory.dmp