Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-07-2022 06:09

General

  • Target

    560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe

  • Size

    1.0MB

  • MD5

    630e03f60f694d328a3b8d31b581c6c5

  • SHA1

    ae14160ea7a9dc1474a9870443ff95f49b3a368e

  • SHA256

    560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131

  • SHA512

    34c721996db721f9ca2323f297ff8e400127393cd277f3d8451490c9a156fbc97360845bec127626066692706d13dc10bf3b22432d4c67ab9930de95ec93b9fc

Malware Config

Signatures

  • suricata: ET MALWARE Win32/Kelihos.F Checkin

    suricata: ET MALWARE Win32/Kelihos.F Checkin

  • UPX packed file 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe
    "C:\Users\Admin\AppData\Local\Temp\560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe
      "C:\Users\Admin\AppData\Local\Temp\560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe"
      2⤵
        PID:2180
      • C:\Users\Admin\AppData\Local\Temp\560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe
        "C:\Users\Admin\AppData\Local\Temp\560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe"
        2⤵
          PID:4880
        • C:\Users\Admin\AppData\Local\Temp\560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe
          "C:\Users\Admin\AppData\Local\Temp\560320b82d708d893cd796a23108837fb306a4e09c62137e7fd6c3c554f38131.exe"
          2⤵
          • Adds Run key to start application
          • Modifies Internet Explorer settings
          PID:1416

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      2
      T1112

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      Query Registry

      1
      T1012

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1416-132-0x0000000000000000-mapping.dmp
      • memory/1416-133-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1416-136-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1416-137-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1416-138-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/1416-139-0x0000000000400000-0x0000000000645000-memory.dmp
        Filesize

        2.3MB

      • memory/2180-130-0x0000000000000000-mapping.dmp
      • memory/2192-135-0x0000000002220000-0x0000000002224000-memory.dmp
        Filesize

        16KB

      • memory/4880-131-0x0000000000000000-mapping.dmp