Analysis
- max time kernel
143s - max time network
131s - platform
windows7_x64 - resource
win7-20240705-en - resource tags
- submitted
02/08/2024, 01:53
General
- Target 258ecd1cb153a2a450ad5404f7c55a7dea44edb54da650ffa1165d7158dee94b.exe
- Size 7.6MB
- Sample240802-ca533atdjc
- SHA256 258ecd1cb153a2a450ad5404f7c55a7dea44edb54da650ffa1165d7158dee94b
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 11 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).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\258ecd1cb153a2a450ad5404f7c55a7dea44edb54da650ffa1165d7158dee94b.exe"C:\Users\Admin\AppData\Local\Temp\258ecd1cb153a2a450ad5404f7c55a7dea44edb54da650ffa1165d7158dee94b.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-J4KUJ.tmp\is-QKB0E.tmp"C:\Users\Admin\AppData\Local\Temp\is-J4KUJ.tmp\is-QKB0E.tmp" /SL4 $4010A "C:\Users\Admin\AppData\Local\Temp\258ecd1cb153a2a450ad5404f7c55a7dea44edb54da650ffa1165d7158dee94b.exe" 7733430 522242⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta.exe"C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta.exe" -i3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta.exe"C:\Users\Admin\AppData\Local\MP3 CD Ripper Beta\mp3cdripperbeta.exe" -s3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
mp3cdripperbeta.exe
_iscrypt.dll
_isdecmp.dll
_shfoldr.dll
is-QKB0E.tmp
memory/2512-76-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-114-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-126-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-122-0x0000000002C40000-0x0000000002CE2000-memory.dmp
memory/2512-121-0x0000000002C40000-0x0000000002CE2000-memory.dmp
memory/2512-120-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-77-0x0000000001040000-0x0000000001349000-memory.dmp
memory/2512-108-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-117-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-129-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-81-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-111-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-85-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-86-0x0000000001040000-0x0000000001349000-memory.dmp
memory/2512-89-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-92-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-95-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-98-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2512-99-0x0000000002C40000-0x0000000002CE2000-memory.dmp
memory/2512-105-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2572-67-0x0000000000E80000-0x0000000001189000-memory.dmp
memory/2572-71-0x0000000000400000-0x0000000000709000-memory.dmp
memory/2572-68-0x0000000000400000-0x0000000000709000-memory.dmp
memory/3012-79-0x0000000000400000-0x0000000000413000-memory.dmp
memory/3012-0-0x0000000000400000-0x0000000000413000-memory.dmp
memory/3012-2-0x0000000000401000-0x000000000040A000-memory.dmp
memory/3028-82-0x0000000003B50000-0x0000000003E59000-memory.dmp
memory/3028-80-0x0000000000400000-0x00000000004CF000-memory.dmp
memory/3028-62-0x0000000003B50000-0x0000000003E59000-memory.dmp