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Analysis

  • max time kernel
    124s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2025, 15:34

Errors

Reason
Machine shutdown

General

  • Target

    private1.exe

  • Size

    37KB

  • MD5

    cd4db83a43d07e5e947bec896f7fdf41

  • SHA1

    8c788d7bb0139164e84556a84f365fd9743233ce

  • SHA256

    acd71e404bc78050b49f052230f570afdf1063420619663e8848187c3444ce2f

  • SHA512

    66933df632a9a1eb16825bdb1d8d584cf94b1787b4dd96008256909aee75ab17e0ca6452d7a5253b8c8cc3491f79281bde481c9010672fc0240bf5bcab81ac6b

  • SSDEEP

    384:6cx97uxgibbjpPu7w9qyMTytrXXWsBsIDzCrAF+rMRTyN/0L+EcoinblneHQM3eJ:lCNN9ZMTytrWKsIyrM+rMRa8NuDvt

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 43 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\private1.exe
    "C:\Users\Admin\AppData\Local\Temp\private1.exe"
    1⤵
    • Drops autorun.inf file
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\private1.exe" "private1.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:4400
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM Exsample.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3212
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1188
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1188-23-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-22-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-20-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-21-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-14-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-24-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-16-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-15-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-26-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/1188-25-0x000002195AD90000-0x000002195AD91000-memory.dmp

      Filesize

      4KB

    • memory/3300-1-0x0000000074C40000-0x00000000751F1000-memory.dmp

      Filesize

      5.7MB

    • memory/3300-13-0x0000000074C40000-0x00000000751F1000-memory.dmp

      Filesize

      5.7MB

    • memory/3300-0-0x0000000074C42000-0x0000000074C43000-memory.dmp

      Filesize

      4KB

    • memory/3300-12-0x0000000074C40000-0x00000000751F1000-memory.dmp

      Filesize

      5.7MB

    • memory/3300-11-0x0000000074C42000-0x0000000074C43000-memory.dmp

      Filesize

      4KB

    • memory/3300-2-0x0000000074C40000-0x00000000751F1000-memory.dmp

      Filesize

      5.7MB

    • memory/3300-27-0x0000000074C40000-0x00000000751F1000-memory.dmp

      Filesize

      5.7MB

    • memory/3300-28-0x0000000074C40000-0x00000000751F1000-memory.dmp

      Filesize

      5.7MB