Analysis

  • max time kernel
    238s
  • max time network
    283s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:49

General

  • Target

    d83275ce64fbca91202817bcc2cb23031484f7f13627277d84e5761e9ff0b473.exe

  • Size

    134KB

  • MD5

    5c9886c5640c5e125e6640314db6d216

  • SHA1

    b5ecf8c1bfcc8550644b3fe78ff07a344f95ec1c

  • SHA256

    d83275ce64fbca91202817bcc2cb23031484f7f13627277d84e5761e9ff0b473

  • SHA512

    a16d5d68f8cdc726cdb4d77cbb0a3ec41bd8b51aedb06c206cab3eae904fd321323085cc7f65afee354fb8f9d0615e87830cb2f2a61ba3b62058560a9ce2e8df

  • SSDEEP

    3072:ncw9JIpFWgCcw2OPdZm+UyidxE9oVjB1jz4oUSod2oewM:RJIpFWgCP/Pb2ymxQK/lSgp

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables use of System Restore points 1 TTPs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2888
      • C:\Users\Admin\AppData\Local\Temp\d83275ce64fbca91202817bcc2cb23031484f7f13627277d84e5761e9ff0b473.exe
        "C:\Users\Admin\AppData\Local\Temp\d83275ce64fbca91202817bcc2cb23031484f7f13627277d84e5761e9ff0b473.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1528
        • C:\Users\Admin\AppData\Local\Temp\d83275ce64fbca91202817bcc2cb23031484f7f13627277d84e5761e9ff0b473.exe
          "C:\Users\Admin\AppData\Local\Temp\d83275ce64fbca91202817bcc2cb23031484f7f13627277d84e5761e9ff0b473.exe"
          3⤵
          • Modifies WinLogon for persistence
          • Suspicious use of SetThreadContext
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1408
          • C:\Users\Admin\AppData\Local\Temp\d83275ce64fbca91202817bcc2cb23031484f7f13627277d84e5761e9ff0b473.exe
            "C:\Users\Admin\AppData\Local\Temp\d83275ce64fbca91202817bcc2cb23031484f7f13627277d84e5761e9ff0b473.exe"
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:3508

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Winlogon Helper DLL

    1
    T1004

    Defense Evasion

    Modify Registry

    1
    T1112

    Impact

    Inhibit System Recovery

    1
    T1490

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1408-134-0x0000000000000000-mapping.dmp
    • memory/1408-135-0x0000000000400000-0x0000000000427000-memory.dmp
      Filesize

      156KB

    • memory/1408-137-0x0000000000400000-0x0000000000427000-memory.dmp
      Filesize

      156KB

    • memory/1408-139-0x0000000000400000-0x0000000000427000-memory.dmp
      Filesize

      156KB

    • memory/1408-142-0x0000000000400000-0x0000000000427000-memory.dmp
      Filesize

      156KB

    • memory/1408-146-0x0000000000400000-0x0000000000427000-memory.dmp
      Filesize

      156KB

    • memory/1528-138-0x0000000000400000-0x000000000040F000-memory.dmp
      Filesize

      60KB

    • memory/2888-148-0x000000007FFF0000-0x000000007FFF7000-memory.dmp
      Filesize

      28KB

    • memory/3508-143-0x0000000000000000-mapping.dmp
    • memory/3508-144-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

    • memory/3508-147-0x0000000000400000-0x0000000000409000-memory.dmp
      Filesize

      36KB

    • memory/3508-149-0x0000000010000000-0x0000000010013000-memory.dmp
      Filesize

      76KB