Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
22/03/2026, 11:05
General
- Target NewClient.exe
- Size 65KB
- Sample260322-m622dsa151
- SHA256 ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
Malware Config
Signatures
- Drops startup file 3 IoCs
- Executes dropped EXE 4 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 11 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Runs ping.exe 1 TTPs 1 IoCs
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 9 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\NewClient.exe"C:\Users\Admin\AppData\Local\Temp\NewClient.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\ProgramData\system32.exe"C:\ProgramData\system32.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /delete /tn "System32" /f3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc minute /mo 1 /tn "System32" /tr C:\ProgramData\system32.exe3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SysWOW64\cmd.execmd.exe /c ping 0 -n 2 & del "C:\ProgramData\system32.exe"3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 0 -n 24⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\NewClient.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 53⤵
- System Location Discovery: System Language Discovery
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C:\ProgramData\system32.exe"C:\ProgramData\system32.exe" ..1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\ProgramData\system32.exeC:\ProgramData\system32.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\ProgramData\system32.exeC:\ProgramData\system32.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
system32.exe
system32.exe.log
memory/440-28-0x0000000005340000-0x000000000548D000-memory.dmp
memory/1868-32-0x0000000004EA0000-0x0000000004FED000-memory.dmp
memory/2212-0-0x0000000074AA1000-0x0000000074AA2000-memory.dmp
memory/2212-1-0x0000000074AA0000-0x0000000075051000-memory.dmp
memory/2212-11-0x0000000005110000-0x000000000525D000-memory.dmp
memory/2212-13-0x0000000074AA0000-0x0000000075051000-memory.dmp
memory/2584-20-0x0000000074AA0000-0x0000000075051000-memory.dmp
memory/2584-25-0x0000000005480000-0x00000000055CD000-memory.dmp
memory/2584-26-0x0000000074AA0000-0x0000000075051000-memory.dmp
memory/2584-19-0x0000000074AA0000-0x0000000075051000-memory.dmp
memory/3264-21-0x0000000074AA0000-0x0000000075051000-memory.dmp
memory/3264-23-0x0000000005140000-0x000000000528D000-memory.dmp
memory/3264-12-0x0000000074AA0000-0x0000000075051000-memory.dmp
memory/3264-14-0x0000000074AA0000-0x0000000075051000-memory.dmp
memory/3264-33-0x0000000005140000-0x000000000528D000-memory.dmp
memory/3264-34-0x0000000074AA0000-0x0000000075051000-memory.dmp