Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
24/03/2024, 18:24
General
- Target 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe
- Size 2.2MB
- Sample240324-w19nqaee97
- SHA256 70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7
Malware Config
Extracted
-
socks5systemz
-
http://erhfitp.ua/search/?q=67e28dd86a5cf47e155fff1a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c0eb92993d
Signatures
- Detect Socks5Systemz Payload 2 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-87AI9.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp"C:\Users\Admin\AppData\Local\Temp\is-87AI9.tmp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp" /SL5="$70222,1969563,54272,C:\Users\Admin\AppData\Local\Temp\70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
sitefreeedition.exe
sitefreeedition.exe
sitefreeedition.exe
70954c38bf2bd7d8b250e99cd4fda9ca229ec45b11536acedbd1de638ae30da7.tmp
_iscrypt.dll
memory/3020-50-0x00000000007B0000-0x00000000007B1000-memory.dmp
memory/3020-7-0x00000000007B0000-0x00000000007B1000-memory.dmp
memory/3020-48-0x0000000000400000-0x00000000004B8000-memory.dmp
memory/3176-39-0x0000000000400000-0x0000000000633000-memory.dmp
memory/3176-43-0x0000000000400000-0x0000000000633000-memory.dmp
memory/3176-42-0x0000000000400000-0x0000000000633000-memory.dmp
memory/3176-38-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4272-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4272-2-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4272-47-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4976-54-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-73-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-53-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-46-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-57-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-60-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-63-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-66-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-67-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/4976-49-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-76-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-77-0x00000000008E0000-0x0000000000982000-memory.dmp
memory/4976-80-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-83-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-86-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-89-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-93-0x0000000000400000-0x0000000000633000-memory.dmp
memory/4976-96-0x0000000000400000-0x0000000000633000-memory.dmp