Analysis
- max time kernel
147s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20240419-en - resource tags
- submitted
14/06/2024, 04:34
General
- Target abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe
- Size 4.8MB
- Sample240614-e69r8svfpg
- SHA256 abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d
Malware Config
Extracted
-
socks5systemz
-
ayjomei.ru
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 3 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\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe"C:\Users\Admin\AppData\Local\Temp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-R6QMM.tmp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp"C:\Users\Admin\AppData\Local\Temp\is-R6QMM.tmp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp" /SL5="$40214,4789193,54272,C:\Users\Admin\AppData\Local\Temp\abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.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\m4atomp3freeconverter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe"C:\Users\Admin\AppData\Local\M4A to MP3 Free Converter\m4atomp3freeconverter.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
m4atomp3freeconverter.exe
_iscrypt.dll
abd03c8a4bbf0e66b61964f1b3f2dedf9d1e9c3a028ce9823a53918e38a0a47d.tmp
memory/452-65-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/452-59-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/452-60-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/452-63-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/1936-70-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1936-16-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2628-74-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-100-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-115-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-112-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-71-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-109-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-77-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-80-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-83-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-86-0x0000000000A90000-0x0000000000B32000-memory.dmp
memory/2628-89-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-94-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-97-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-68-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-103-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/2628-106-0x0000000000400000-0x00000000006EE000-memory.dmp
memory/3220-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3220-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3220-69-0x0000000000400000-0x0000000000414000-memory.dmp