Analysis
- max time kernel
291s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
12/08/2024, 05:00
General
- Target 00c4b3b743c8fcc60a4587d4028150dcaef8bc11139187803c3e90aae21c0a55.exe
- Size 3.7MB
- Sample240812-fm17eswfpr
- SHA256 00c4b3b743c8fcc60a4587d4028150dcaef8bc11139187803c3e90aae21c0a55
Malware Config
Signatures
- Detect Socks5Systemz Payload 3 IoCs
- Socks5Systemz
Socks5Systemz is a botnet written in C++.
- Executes dropped EXE 3 IoCs
- Loads dropped DLL 1 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\00c4b3b743c8fcc60a4587d4028150dcaef8bc11139187803c3e90aae21c0a55.exe"C:\Users\Admin\AppData\Local\Temp\00c4b3b743c8fcc60a4587d4028150dcaef8bc11139187803c3e90aae21c0a55.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-3TB8P.tmp\00c4b3b743c8fcc60a4587d4028150dcaef8bc11139187803c3e90aae21c0a55.tmp"C:\Users\Admin\AppData\Local\Temp\is-3TB8P.tmp\00c4b3b743c8fcc60a4587d4028150dcaef8bc11139187803c3e90aae21c0a55.tmp" /SL5="$50230,3622430,54272,C:\Users\Admin\AppData\Local\Temp\00c4b3b743c8fcc60a4587d4028150dcaef8bc11139187803c3e90aae21c0a55.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
00c4b3b743c8fcc60a4587d4028150dcaef8bc11139187803c3e90aae21c0a55.tmp
_iscrypt.dll
memory/600-52-0x0000000000400000-0x0000000000812000-memory.dmp
memory/600-55-0x0000000000400000-0x0000000000812000-memory.dmp
memory/600-54-0x0000000000400000-0x0000000000812000-memory.dmp
memory/2772-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2772-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2772-59-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3164-60-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3164-16-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/3924-73-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-92-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-64-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-67-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-70-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-58-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-76-0x0000000002990000-0x0000000002A32000-memory.dmp
memory/3924-80-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-83-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-86-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-89-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-61-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-95-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-98-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-99-0x0000000002990000-0x0000000002A32000-memory.dmp
memory/3924-100-0x0000000002990000-0x0000000002A32000-memory.dmp
memory/3924-103-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-107-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-110-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-113-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-116-0x0000000000400000-0x0000000000812000-memory.dmp
memory/3924-119-0x0000000000400000-0x0000000000812000-memory.dmp