Analysis
- max time kernel
142s - max time network
127s - platform
windows11-21h2_x64 - resource
win11-20240426-en - resource tags
- submitted
02/06/2024, 11:06
General
- Target 0f750ffd2f4474c5e6602313e4d0d95213e665148658bde66f37b596a9b8a1a3.exe
- Size 6.9MB
- Sample240602-m7jw7sca42
- SHA256 0f750ffd2f4474c5e6602313e4d0d95213e665148658bde66f37b596a9b8a1a3
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 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\0f750ffd2f4474c5e6602313e4d0d95213e665148658bde66f37b596a9b8a1a3.exe"C:\Users\Admin\AppData\Local\Temp\0f750ffd2f4474c5e6602313e4d0d95213e665148658bde66f37b596a9b8a1a3.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-BQIFG.tmp\0f750ffd2f4474c5e6602313e4d0d95213e665148658bde66f37b596a9b8a1a3.tmp"C:\Users\Admin\AppData\Local\Temp\is-BQIFG.tmp\0f750ffd2f4474c5e6602313e4d0d95213e665148658bde66f37b596a9b8a1a3.tmp" /SL5="$40232,6971582,54272,C:\Users\Admin\AppData\Local\Temp\0f750ffd2f4474c5e6602313e4d0d95213e665148658bde66f37b596a9b8a1a3.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
_iscrypt.dll
_isdecmp.dll
0f750ffd2f4474c5e6602313e4d0d95213e665148658bde66f37b596a9b8a1a3.tmp
voicechangeremerald32.exe
memory/2064-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2064-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2064-75-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3488-65-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/3488-69-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/3488-71-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/3488-66-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/3736-76-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/3736-10-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/4900-77-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-102-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-80-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-83-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-86-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-89-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-90-0x0000000000CD0000-0x0000000000D72000-memory.dmp
memory/4900-94-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-99-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-74-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-105-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-108-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-111-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-114-0x0000000000CD0000-0x0000000000D72000-memory.dmp
memory/4900-115-0x0000000000CD0000-0x0000000000D72000-memory.dmp
memory/4900-116-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-120-0x0000000000400000-0x00000000008B7000-memory.dmp
memory/4900-123-0x0000000000400000-0x00000000008B7000-memory.dmp