Analysis
- max time kernel
293s - max time network
301s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
20/06/2024, 22:41
General
- Target 3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe
- Size 5.0MB
- Sample240620-2mlyds1bre
- SHA256 3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01
Malware Config
Extracted
-
socks5systemz
-
dtwuzfn.info
-
http://dtwuzfn.info/search/?q=67e28dd8645fa72f495daa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a771ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2ec96923c
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\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe"C:\Users\Admin\AppData\Local\Temp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-J9ICH.tmp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp"C:\Users\Admin\AppData\Local\Temp\is-J9ICH.tmp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp" /SL5="$80230,5043994,54272,C:\Users\Admin\AppData\Local\Temp\3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe"C:\Users\Admin\AppData\Local\Audials Tunebite\audialstunebite32_64.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audialstunebite32_64.exe
3845142411672cadb1668778ee5da60b56acc020f1e01437b16218f7dfe00b01.tmp
_iscrypt.dll
memory/2280-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2280-67-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3120-66-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3120-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3120-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3764-99-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-93-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-129-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-68-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-71-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-74-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-77-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-80-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-83-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/3764-85-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-90-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-124-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-96-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-121-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-102-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-105-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-109-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-112-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-115-0x0000000000400000-0x0000000000696000-memory.dmp
memory/3764-118-0x0000000000400000-0x0000000000696000-memory.dmp
memory/4632-59-0x0000000000400000-0x0000000000696000-memory.dmp
memory/4632-63-0x0000000000400000-0x0000000000696000-memory.dmp
memory/4632-61-0x0000000000400000-0x0000000000696000-memory.dmp