Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
07/10/2024, 08:36
General
- Target f4daf1bc9a5e9381906471d72dcea3db.exe
- Size 4.3MB
- Sample241007-khk2vszekg
- SHA256 520787e23c7b222c3bb13d4fac6bae67cbf9fa3ef27489aecbe474167f3ac0aa
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 2 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.
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f4daf1bc9a5e9381906471d72dcea3db.exe"C:\Users\Admin\AppData\Local\Temp\f4daf1bc9a5e9381906471d72dcea3db.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-AFKLP.tmp\f4daf1bc9a5e9381906471d72dcea3db.tmp"C:\Users\Admin\AppData\Local\Temp\is-AFKLP.tmp\f4daf1bc9a5e9381906471d72dcea3db.tmp" /SL5="$70246,4229894,54272,C:\Users\Admin\AppData\Local\Temp\f4daf1bc9a5e9381906471d72dcea3db.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\Jenny Video Converter\jennyvideoconverter.exe"C:\Users\Admin\AppData\Local\Jenny Video Converter\jennyvideoconverter.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
jennyvideoconverter.exe
_iscrypt.dll
f4daf1bc9a5e9381906471d72dcea3db.tmp
memory/416-84-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/416-7-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2340-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2340-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2340-85-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4228-94-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-103-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-80-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-87-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-88-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-91-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-79-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-97-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-100-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-83-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-104-0x0000000000A60000-0x0000000000B02000-memory.dmp
memory/4228-110-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-113-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-114-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-117-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-120-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-123-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-126-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-130-0x0000000000400000-0x0000000000766000-memory.dmp
memory/4228-133-0x0000000000400000-0x0000000000766000-memory.dmp