Analysis
- max time kernel
294s - max time network
301s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
30/05/2024, 22:33
General
- Target 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe
- Size 4.9MB
- Sample240530-2gwweada83
- SHA256 0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a
Malware Config
Signatures
- Detect Socks5Systemz Payload 1 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 IoCs
- Unexpected DNS network traffic destination 2 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\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe"C:\Users\Admin\AppData\Local\Temp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-9APPF.tmp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp"C:\Users\Admin\AppData\Local\Temp\is-9APPF.tmp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp" /SL5="$50210,4885427,54272,C:\Users\Admin\AppData\Local\Temp\0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i3⤵
- Executes dropped EXE
-
-
C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe"C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
5kplayer.exe
0c344a5ac35717d38b07c9d8986333fff85cccc3c7505b12ebc75b0cbf955c0a.tmp
_iscrypt.dll
memory/1840-100-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-103-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-128-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-125-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-122-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-118-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-115-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-112-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-69-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-72-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-75-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-78-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-81-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-84-0x00000000009A0000-0x0000000000A42000-memory.dmp
memory/1840-88-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-91-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-94-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-97-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-109-0x0000000000400000-0x000000000072E000-memory.dmp
memory/1840-106-0x0000000000400000-0x000000000072E000-memory.dmp
memory/2356-14-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2356-68-0x0000000000400000-0x00000000004BA000-memory.dmp
memory/2776-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2776-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2776-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/3636-64-0x0000000000400000-0x000000000072E000-memory.dmp
memory/3636-60-0x0000000000400000-0x000000000072E000-memory.dmp
memory/3636-59-0x0000000000400000-0x000000000072E000-memory.dmp