Analysis
- max time kernel
142s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
12/08/2024, 02:11
General
- Target a98e71b42f28968b226e9ff6acd9410a5efd676d13795c1a701ec0050f448550.exe
- Size 4.3MB
- Sample240812-cmpxlsvdmg
- SHA256 a98e71b42f28968b226e9ff6acd9410a5efd676d13795c1a701ec0050f448550
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\a98e71b42f28968b226e9ff6acd9410a5efd676d13795c1a701ec0050f448550.exe"C:\Users\Admin\AppData\Local\Temp\a98e71b42f28968b226e9ff6acd9410a5efd676d13795c1a701ec0050f448550.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-VJE1U.tmp\a98e71b42f28968b226e9ff6acd9410a5efd676d13795c1a701ec0050f448550.tmp"C:\Users\Admin\AppData\Local\Temp\is-VJE1U.tmp\a98e71b42f28968b226e9ff6acd9410a5efd676d13795c1a701ec0050f448550.tmp" /SL5="$601D6,4266590,54272,C:\Users\Admin\AppData\Local\Temp\a98e71b42f28968b226e9ff6acd9410a5efd676d13795c1a701ec0050f448550.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\xulplayer32_64.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe" -i3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_64.exe"C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32_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
_iscrypt.dll
_isdecmp.dll
a98e71b42f28968b226e9ff6acd9410a5efd676d13795c1a701ec0050f448550.tmp
xulplayer32_64.exe
memory/2164-67-0x0000000000400000-0x0000000000414000-memory.dmp
memory/2164-2-0x0000000000401000-0x000000000040B000-memory.dmp
memory/2164-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3360-91-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-97-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-113-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-110-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-66-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-106-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-103-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-69-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-72-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-75-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-78-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-81-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-84-0x0000000002980000-0x0000000002A22000-memory.dmp
memory/3360-88-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-100-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/3360-94-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/4376-10-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4376-68-0x0000000000400000-0x00000000004BD000-memory.dmp
memory/4768-58-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/4768-59-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/4768-61-0x0000000000400000-0x00000000007A1000-memory.dmp
memory/4768-63-0x0000000000400000-0x00000000007A1000-memory.dmp