Analysis
- max time kernel
293s - max time network
246s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
06/06/2024, 23:55
General
- Target 54769bac6af10ab480fa975336db365ac471a0fe60de743d8c91654e76c830bf.exe
- Size 7.0MB
- Sample240606-3yjsvafa68
- SHA256 54769bac6af10ab480fa975336db365ac471a0fe60de743d8c91654e76c830bf
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\54769bac6af10ab480fa975336db365ac471a0fe60de743d8c91654e76c830bf.exe"C:\Users\Admin\AppData\Local\Temp\54769bac6af10ab480fa975336db365ac471a0fe60de743d8c91654e76c830bf.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-ALOD8.tmp\54769bac6af10ab480fa975336db365ac471a0fe60de743d8c91654e76c830bf.tmp"C:\Users\Admin\AppData\Local\Temp\is-ALOD8.tmp\54769bac6af10ab480fa975336db365ac471a0fe60de743d8c91654e76c830bf.tmp" /SL5="$60138,7039807,54272,C:\Users\Admin\AppData\Local\Temp\54769bac6af10ab480fa975336db365ac471a0fe60de743d8c91654e76c830bf.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
54769bac6af10ab480fa975336db365ac471a0fe60de743d8c91654e76c830bf.tmp
voicechangeremerald32.exe
_iscrypt.dll
_isdecmp.dll
memory/536-65-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/536-66-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/536-69-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/2444-74-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2444-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3924-3-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3924-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3924-73-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4068-84-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-106-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-78-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-81-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-72-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-87-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-90-0x0000000000B30000-0x0000000000BD2000-memory.dmp
memory/4068-94-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-97-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-100-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-103-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-75-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-109-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-112-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-116-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-119-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-122-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-125-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-128-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-131-0x0000000000400000-0x00000000008B5000-memory.dmp
memory/4068-136-0x0000000000400000-0x00000000008B5000-memory.dmp