Analysis
- max time kernel
149s - max time network
154s - platform
windows7_x64 - resource
win7-20240903-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 5 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 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f4daf1bc9a5e9381906471d72dcea3db.exe"C:\Users\Admin\AppData\Local\Temp\f4daf1bc9a5e9381906471d72dcea3db.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-HM9O6.tmp\f4daf1bc9a5e9381906471d72dcea3db.tmp"C:\Users\Admin\AppData\Local\Temp\is-HM9O6.tmp\f4daf1bc9a5e9381906471d72dcea3db.tmp" /SL5="$5014A,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
f4daf1bc9a5e9381906471d72dcea3db.tmp
_iscrypt.dll
_shfoldr.dll
memory/1592-90-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1592-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/1592-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2112-84-0x0000000003300000-0x0000000003666000-memory.dmp
memory/2112-8-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2112-117-0x0000000003300000-0x0000000003666000-memory.dmp
memory/2112-89-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2124-98-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-86-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-95-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-85-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-101-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-104-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-107-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-108-0x0000000002B70000-0x0000000002C12000-memory.dmp
memory/2124-114-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-92-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-118-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-121-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-124-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-127-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-130-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-133-0x0000000000400000-0x0000000000766000-memory.dmp
memory/2124-136-0x0000000000400000-0x0000000000766000-memory.dmp