Analysis
- max time kernel
141s - max time network
141s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
- submitted
09/08/2024, 17:04
General
- Target fe8f9421e4f3b5de2c245b43cd99b9926538af7850e708660e1ed551f24aa686.exe
- Size 4.2MB
- Sample240809-vk8aaatakq
- SHA256 fe8f9421e4f3b5de2c245b43cd99b9926538af7850e708660e1ed551f24aa686
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\fe8f9421e4f3b5de2c245b43cd99b9926538af7850e708660e1ed551f24aa686.exe"C:\Users\Admin\AppData\Local\Temp\fe8f9421e4f3b5de2c245b43cd99b9926538af7850e708660e1ed551f24aa686.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-6DFML.tmp\fe8f9421e4f3b5de2c245b43cd99b9926538af7850e708660e1ed551f24aa686.tmp"C:\Users\Admin\AppData\Local\Temp\is-6DFML.tmp\fe8f9421e4f3b5de2c245b43cd99b9926538af7850e708660e1ed551f24aa686.tmp" /SL5="$50106,4160289,54272,C:\Users\Admin\AppData\Local\Temp\fe8f9421e4f3b5de2c245b43cd99b9926538af7850e708660e1ed551f24aa686.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\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe"C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe"C:\Users\Admin\AppData\Local\BekkySoft Universal Player\bekkysoftuniversalplayer32_64.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
bekkysoftuniversalplayer32_64.exe
fe8f9421e4f3b5de2c245b43cd99b9926538af7850e708660e1ed551f24aa686.tmp
_iscrypt.dll
_isdecmp.dll
memory/1816-86-0x0000000000B50000-0x0000000000BF2000-memory.dmp
memory/1816-76-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-114-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-111-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-107-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-104-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-66-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-65-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-101-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-98-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-69-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-72-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-73-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-95-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-79-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-82-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-85-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1816-92-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/2364-8-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/2364-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4024-60-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4024-62-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4024-58-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4880-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4880-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4880-2-0x0000000000401000-0x000000000040B000-memory.dmp