Analysis
- max time kernel
293s - max time network
257s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
01/08/2024, 22:52
General
- Target eb8ff44d618a033eebc5124bbcf0f955ce4b73282274acfb2f6ea627d7e01286.exe
- Size 4.3MB
- Sample240801-2tness1blq
- SHA256 eb8ff44d618a033eebc5124bbcf0f955ce4b73282274acfb2f6ea627d7e01286
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 3 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 4 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 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\eb8ff44d618a033eebc5124bbcf0f955ce4b73282274acfb2f6ea627d7e01286.exe"C:\Users\Admin\AppData\Local\Temp\eb8ff44d618a033eebc5124bbcf0f955ce4b73282274acfb2f6ea627d7e01286.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-U1UT6.tmp\eb8ff44d618a033eebc5124bbcf0f955ce4b73282274acfb2f6ea627d7e01286.tmp"C:\Users\Admin\AppData\Local\Temp\is-U1UT6.tmp\eb8ff44d618a033eebc5124bbcf0f955ce4b73282274acfb2f6ea627d7e01286.tmp" /SL5="$50204,4203836,54272,C:\Users\Admin\AppData\Local\Temp\eb8ff44d618a033eebc5124bbcf0f955ce4b73282274acfb2f6ea627d7e01286.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\Free CUDA Video Converter\freecudavideoconverter32_64.exe"C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter32_64.exe"C:\Users\Admin\AppData\Local\Free CUDA Video Converter\freecudavideoconverter32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
freecudavideoconverter32_64.exe
eb8ff44d618a033eebc5124bbcf0f955ce4b73282274acfb2f6ea627d7e01286.tmp
_iscrypt.dll
_isdecmp.dll
memory/2824-67-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2824-12-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3560-102-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-87-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-129-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-65-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-124-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-121-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-118-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-68-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-71-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-74-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-77-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-80-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-83-0x00000000025A0000-0x0000000002642000-memory.dmp
memory/3560-115-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-90-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-93-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-96-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-99-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-112-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-105-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3560-109-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3848-58-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3848-62-0x0000000000400000-0x0000000000723000-memory.dmp
memory/3848-59-0x0000000000400000-0x0000000000723000-memory.dmp
memory/4800-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4800-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4800-66-0x0000000000400000-0x0000000000414000-memory.dmp