Analysis
- max time kernel
149s - max time network
94s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
13/04/2026, 08:11
General
- Target file.exe
- Size 3.6MB
- Sample260413-j3hlssfw2n
- SHA256 f8c3d6c941e6ba34dbc7a8b690edc70e16ed159b74965f852c6ccaebb626439b
Malware Config
Signatures
- Detect Socks5Systemz Payload 2 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Socks5systemz family
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-NPKLQ.tmp\file.tmp"C:\Users\Admin\AppData\Local\Temp\is-NPKLQ.tmp\file.tmp" /SL5="$4017E,3487132,54272,C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Media Lite Package 2.4.0.3850\medialitepackage.exe"C:\Users\Admin\AppData\Local\Media Lite Package 2.4.0.3850\medialitepackage.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
-
C:\ProgramData\MediaLitePackage\MediaLitePackage.exeC:\ProgramData\MediaLitePackage\MediaLitePackage.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
CBase4131it30.dat
CBase4131resa.dat
medialitepackage.exe
_iscrypt.dll
file.tmp
memory/424-125-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-133-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-44-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-48-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-45-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-173-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-165-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-157-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-54-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-101-0x00000000009D0000-0x0000000000A70000-memory.dmp
memory/424-92-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-149-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-141-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-166-0x00000000025E0000-0x000000000269B000-memory.dmp
memory/424-84-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-61-0x00000000025E0000-0x000000000269B000-memory.dmp
memory/424-60-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-68-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-116-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-115-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-77-0x00000000025E0000-0x000000000269B000-memory.dmp
memory/424-100-0x0000000000400000-0x0000000000698000-memory.dmp
memory/424-76-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2488-1-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2488-0-0x000000000040D000-0x000000000040E000-memory.dmp
memory/2488-56-0x00000000009A0000-0x0000000000A5B000-memory.dmp
memory/2488-55-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2936-63-0x00000000025C0000-0x000000000267B000-memory.dmp
memory/2936-94-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-103-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-86-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-106-0x0000000000980000-0x0000000000A20000-memory.dmp
memory/2936-109-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-175-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-78-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-50-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-70-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-120-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-62-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-127-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-52-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-135-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-167-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-143-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-59-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-151-0x0000000000400000-0x0000000000698000-memory.dmp
memory/2936-168-0x00000000025C0000-0x000000000267B000-memory.dmp
memory/2936-159-0x0000000000400000-0x0000000000698000-memory.dmp
memory/4728-99-0x0000000000AF0000-0x0000000000BAB000-memory.dmp
memory/4728-53-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4728-58-0x0000000000AF0000-0x0000000000BAB000-memory.dmp
memory/4728-17-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4728-75-0x0000000000AF0000-0x0000000000BAB000-memory.dmp
memory/4728-7-0x0000000000400000-0x00000000004BD000-memory.dmp