Analysis
- max time kernel
142s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
04/06/2024, 18:49
General
- Target 9539a6bf04953c691cba200a104dab034377d1e589c9d88e454c6566386f4847.exe
- Size 6.0MB
- Sample240604-xgrjgagf95
- SHA256 9539a6bf04953c691cba200a104dab034377d1e589c9d88e454c6566386f4847
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\9539a6bf04953c691cba200a104dab034377d1e589c9d88e454c6566386f4847.exe"C:\Users\Admin\AppData\Local\Temp\9539a6bf04953c691cba200a104dab034377d1e589c9d88e454c6566386f4847.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-5FQKP.tmp\9539a6bf04953c691cba200a104dab034377d1e589c9d88e454c6566386f4847.tmp"C:\Users\Admin\AppData\Local\Temp\is-5FQKP.tmp\9539a6bf04953c691cba200a104dab034377d1e589c9d88e454c6566386f4847.tmp" /SL5="$40246,6061034,54272,C:\Users\Admin\AppData\Local\Temp\9539a6bf04953c691cba200a104dab034377d1e589c9d88e454c6566386f4847.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier32.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier32.exe"C:\Users\Admin\AppData\Local\Free Audio Amplifier\audioamplifier32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audioamplifier32.exe
_iscrypt.dll
9539a6bf04953c691cba200a104dab034377d1e589c9d88e454c6566386f4847.tmp
memory/924-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/924-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/924-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1588-95-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-98-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-116-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-113-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-67-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-109-0x0000000002A60000-0x0000000002B02000-memory.dmp
memory/1588-108-0x0000000002A60000-0x0000000002B02000-memory.dmp
memory/1588-70-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-73-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-76-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-79-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-82-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-84-0x0000000002A60000-0x0000000002B02000-memory.dmp
memory/1588-87-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-92-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-107-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-104-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1588-101-0x0000000000400000-0x0000000000872000-memory.dmp
memory/1852-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1852-69-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3008-64-0x0000000000400000-0x0000000000872000-memory.dmp
memory/3008-59-0x0000000000400000-0x0000000000872000-memory.dmp
memory/3008-63-0x0000000000400000-0x000000000047E000-memory.dmp
memory/3008-62-0x0000000000400000-0x0000000000872000-memory.dmp