Analysis
- max time kernel
292s - max time network
255s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
20/06/2024, 22:56
General
- Target 92e47b3372d7f1cb0f8166ffdf903829f77609a0e09b3d86009e04e4f1ac2c36.exe
- Size 5.0MB
- Sample240620-2wycsa1fqa
- SHA256 92e47b3372d7f1cb0f8166ffdf903829f77609a0e09b3d86009e04e4f1ac2c36
Malware Config
Extracted
-
socks5systemz
-
buafhio.com
-
http://buafhio.com/search/?q=67e28dd86c0ca77c400cfe4c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb979f3c
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\92e47b3372d7f1cb0f8166ffdf903829f77609a0e09b3d86009e04e4f1ac2c36.exe"C:\Users\Admin\AppData\Local\Temp\92e47b3372d7f1cb0f8166ffdf903829f77609a0e09b3d86009e04e4f1ac2c36.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-ORO3O.tmp\92e47b3372d7f1cb0f8166ffdf903829f77609a0e09b3d86009e04e4f1ac2c36.tmp"C:\Users\Admin\AppData\Local\Temp\is-ORO3O.tmp\92e47b3372d7f1cb0f8166ffdf903829f77609a0e09b3d86009e04e4f1ac2c36.tmp" /SL5="$70228,4984685,54272,C:\Users\Admin\AppData\Local\Temp\92e47b3372d7f1cb0f8166ffdf903829f77609a0e09b3d86009e04e4f1ac2c36.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3converter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
m4atomp3converter.exe
92e47b3372d7f1cb0f8166ffdf903829f77609a0e09b3d86009e04e4f1ac2c36.tmp
_iscrypt.dll
memory/1724-107-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-111-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-131-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-126-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-123-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-120-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-67-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-117-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-114-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-70-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-73-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-76-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-79-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-82-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-92-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-101-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-84-0x00000000025B0000-0x0000000002652000-memory.dmp
memory/1724-95-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-98-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-87-0x0000000000400000-0x000000000071F000-memory.dmp
memory/1724-104-0x0000000000400000-0x000000000071F000-memory.dmp
memory/2432-64-0x0000000000400000-0x000000000071F000-memory.dmp
memory/2432-60-0x0000000000400000-0x000000000071F000-memory.dmp
memory/2432-59-0x0000000000400000-0x000000000071F000-memory.dmp
memory/2824-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2824-68-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2824-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4220-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4220-69-0x0000000000400000-0x00000000004BA000-memory.dmp