Analysis
- max time kernel
147s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20240802-en - resource tags
- submitted
11/08/2024, 05:39
General
- Target 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe
- Size 3.6MB
- Sample240811-gb96maxbrl
- SHA256 2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f
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\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe"C:\Users\Admin\AppData\Local\Temp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-KEDJR.tmp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp"C:\Users\Admin\AppData\Local\Temp\is-KEDJR.tmp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp" /SL5="$602AA,3539010,54272,C:\Users\Admin\AppData\Local\Temp\2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.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\XULPlayer\xulplayer.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer.exe" -s3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_iscrypt.dll
2b5c856ede00b84fc54beea3e8feb72c42aa918cc4022c9cc1af61ade6fb863f.tmp
xulplayer.exe
memory/724-53-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/724-57-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/724-55-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/724-52-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-66-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-78-0x0000000000AC0000-0x0000000000B62000-memory.dmp
memory/1028-110-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-60-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-107-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-103-0x0000000000AC0000-0x0000000000B62000-memory.dmp
memory/1028-63-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-102-0x0000000000AC0000-0x0000000000B62000-memory.dmp
memory/1028-69-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-72-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-75-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-101-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-80-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-86-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-89-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-92-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-95-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/1028-98-0x0000000000400000-0x00000000007E0000-memory.dmp
memory/4636-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4636-61-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4636-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/4688-10-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4688-62-0x0000000000400000-0x00000000004BD000-memory.dmp