Analysis
- max time kernel
148s - max time network
140s - platform
windows7_x64 - resource
win7-20240611-en - resource tags
- submitted
13/06/2024, 04:01
General
- Target 8e277e7022265b11d4f9b4f2c0b051d2.exe
- Size 4.8MB
- Sample240613-ek72hsxcpp
- SHA256 035dcf9053398a90a31dddeeef1c21f728a82078573daaac0b65baabf96973cd
Malware Config
Extracted
-
socks5systemz
-
ddtwinv.info
-
http://ddtwinv.info/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978f771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f8cfa10c3eb91
-
http://ddtwinv.info/search/?q=67e28dd86f5ff42d4509ac187c27d78406abdd88be4b12eab517aa5c96bd86ec928644825a8bbc896c58e713bc90c91836b5281fc235a925ed3e54d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c8ed909b38c96b
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 6 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\8e277e7022265b11d4f9b4f2c0b051d2.exe"C:\Users\Admin\AppData\Local\Temp\8e277e7022265b11d4f9b4f2c0b051d2.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-F5IA6.tmp\8e277e7022265b11d4f9b4f2c0b051d2.tmp"C:\Users\Admin\AppData\Local\Temp\is-F5IA6.tmp\8e277e7022265b11d4f9b4f2c0b051d2.tmp" /SL5="$70122,4814186,54272,C:\Users\Admin\AppData\Local\Temp\8e277e7022265b11d4f9b4f2c0b051d2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe"C:\Users\Admin\AppData\Local\Free Audio Converter\audioconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
audioconverter.exe
8e277e7022265b11d4f9b4f2c0b051d2.tmp
_iscrypt.dll
_shfoldr.dll
memory/1916-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1916-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1916-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2456-98-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-88-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-122-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-71-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-119-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-117-0x0000000002250000-0x00000000022F2000-memory.dmp
memory/2456-75-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-116-0x0000000002250000-0x00000000022F2000-memory.dmp
memory/2456-79-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-82-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-85-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-113-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-91-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-94-0x0000000002250000-0x00000000022F2000-memory.dmp
memory/2456-110-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-101-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-104-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2456-107-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2484-65-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/2484-68-0x0000000000400000-0x00000000006EB000-memory.dmp
memory/3016-63-0x0000000003430000-0x000000000371B000-memory.dmp
memory/3016-76-0x0000000003430000-0x000000000371B000-memory.dmp
memory/3016-74-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3016-12-0x0000000000400000-0x00000000004BA000-memory.dmp