Analysis
- max time kernel
142s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
- submitted
04/06/2024, 10:46
General
- Target 36e71b54276e1eb16cf0708bc241b967c81831274fc375f9430771b844ede84d.exe
- Size 6.1MB
- Sample240604-mt5lradg2s
- SHA256 36e71b54276e1eb16cf0708bc241b967c81831274fc375f9430771b844ede84d
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 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\36e71b54276e1eb16cf0708bc241b967c81831274fc375f9430771b844ede84d.exe"C:\Users\Admin\AppData\Local\Temp\36e71b54276e1eb16cf0708bc241b967c81831274fc375f9430771b844ede84d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-BVCMR.tmp\36e71b54276e1eb16cf0708bc241b967c81831274fc375f9430771b844ede84d.tmp"C:\Users\Admin\AppData\Local\Temp\is-BVCMR.tmp\36e71b54276e1eb16cf0708bc241b967c81831274fc375f9430771b844ede84d.tmp" /SL5="$6016A,6142625,54272,C:\Users\Admin\AppData\Local\Temp\36e71b54276e1eb16cf0708bc241b967c81831274fc375f9430771b844ede84d.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audioamplifier.exe
_iscrypt.dll
36e71b54276e1eb16cf0708bc241b967c81831274fc375f9430771b844ede84d.tmp
memory/1912-100-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-103-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-115-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-112-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-108-0x0000000000A80000-0x0000000000B22000-memory.dmp
memory/1912-107-0x0000000000A80000-0x0000000000B22000-memory.dmp
memory/1912-106-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-97-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-69-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-72-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-75-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-78-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-81-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-84-0x0000000000A80000-0x0000000000B22000-memory.dmp
memory/1912-88-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-91-0x0000000000400000-0x000000000088A000-memory.dmp
memory/1912-94-0x0000000000400000-0x000000000088A000-memory.dmp
memory/4584-59-0x0000000000400000-0x000000000088A000-memory.dmp
memory/4584-62-0x0000000000400000-0x000000000088A000-memory.dmp
memory/4584-64-0x0000000000400000-0x000000000088A000-memory.dmp
memory/4780-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4780-13-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4980-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4980-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4980-2-0x0000000000401000-0x000000000040B000-memory.dmp