Analysis
- max time kernel
292s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
07/06/2024, 01:38
General
- Target c807a4675cfbd5759b882a5b9029790fdd161f6ac7474da025c1d4ac32225b0a.exe
- Size 6.9MB
- Sample240607-b2frtage63
- SHA256 c807a4675cfbd5759b882a5b9029790fdd161f6ac7474da025c1d4ac32225b0a
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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\c807a4675cfbd5759b882a5b9029790fdd161f6ac7474da025c1d4ac32225b0a.exe"C:\Users\Admin\AppData\Local\Temp\c807a4675cfbd5759b882a5b9029790fdd161f6ac7474da025c1d4ac32225b0a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-OM8I4.tmp\c807a4675cfbd5759b882a5b9029790fdd161f6ac7474da025c1d4ac32225b0a.tmp"C:\Users\Admin\AppData\Local\Temp\is-OM8I4.tmp\c807a4675cfbd5759b882a5b9029790fdd161f6ac7474da025c1d4ac32225b0a.tmp" /SL5="$60204,6933569,54272,C:\Users\Admin\AppData\Local\Temp\c807a4675cfbd5759b882a5b9029790fdd161f6ac7474da025c1d4ac32225b0a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald32.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald32.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald32.exe"C:\Users\Admin\AppData\Local\Voice Changer Emerald\voicechangeremerald32.exe" -s3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
c807a4675cfbd5759b882a5b9029790fdd161f6ac7474da025c1d4ac32225b0a.tmp
voicechangeremerald32.exe
_iscrypt.dll
_isdecmp.dll
memory/784-109-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-116-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-136-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-131-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-128-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-125-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-72-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-122-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-119-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-75-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-78-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-81-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-84-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-87-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-88-0x0000000000AC0000-0x0000000000B62000-memory.dmp
memory/784-92-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-97-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-100-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-103-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-106-0x0000000000400000-0x000000000089C000-memory.dmp
memory/784-113-0x0000000000400000-0x000000000089C000-memory.dmp
memory/1872-12-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/1872-74-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2448-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2448-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2448-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/5052-66-0x0000000000400000-0x000000000089C000-memory.dmp
memory/5052-69-0x0000000000400000-0x000000000089C000-memory.dmp
memory/5052-65-0x0000000000400000-0x000000000089C000-memory.dmp