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Analysis

  • max time kernel
    138s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/02/2024, 09:07 UTC

General

  • Target

    $PLUGINSDIR/modern-header.bmp

  • Size

    29KB

  • MD5

    d8f59a707b2a5000c7903595eddc3d48

  • SHA1

    e86239fe1dc3cfdbec6006817160eb5f1fc92bca

  • SHA256

    c0e284fde834fe8a6f90504dba7abff25b1e7dd4611483341203fd3efc5de8a6

  • SHA512

    91e28a685733620832d3851d7f3eee36495f2728610bd6c66f305cdda039f75ab8499d0e51e64afa018c221a728889503db2fc7c84cf9599a61b68951686b048

  • SSDEEP

    192:UdCd/28k2hZrlQ+jP3/PGs/ZkTnSQpuWE:UD8jLlQ+jP3///ZUSJ5

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\modern-header.bmp
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Windows\system32\mspaint.exe
      "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\modern-header.bmp"
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:228
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
      PID:2044

    Network

    • flag-us
      DNS
      149.220.183.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      149.220.183.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      69.31.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      69.31.126.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      95.221.229.192.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      95.221.229.192.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      97.17.167.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      97.17.167.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      50.23.12.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      50.23.12.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      18.31.95.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      18.31.95.13.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      18.134.221.88.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      18.134.221.88.in-addr.arpa
      IN PTR
      Response
      18.134.221.88.in-addr.arpa
      IN PTR
      a88-221-134-18deploystaticakamaitechnologiescom
    • flag-us
      DNS
      13.86.106.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.86.106.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      189.178.17.96.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      189.178.17.96.in-addr.arpa
      IN PTR
      Response
      189.178.17.96.in-addr.arpa
      IN PTR
      a96-17-178-189deploystaticakamaitechnologiescom
    • flag-us
      DNS
      19.229.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      19.229.111.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      190.178.17.96.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      190.178.17.96.in-addr.arpa
      IN PTR
      Response
      190.178.17.96.in-addr.arpa
      IN PTR
      a96-17-178-190deploystaticakamaitechnologiescom
    • flag-us
      DNS
      63.141.182.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      63.141.182.52.in-addr.arpa
      IN PTR
      Response
    • 138.91.171.81:80
      104 B
      2
    • 8.8.8.8:53
      149.220.183.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      149.220.183.52.in-addr.arpa

    • 8.8.8.8:53
      69.31.126.40.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      69.31.126.40.in-addr.arpa

    • 8.8.8.8:53
      95.221.229.192.in-addr.arpa
      dns
      73 B
      144 B
      1
      1

      DNS Request

      95.221.229.192.in-addr.arpa

    • 8.8.8.8:53
      97.17.167.52.in-addr.arpa
      dns
      71 B
      145 B
      1
      1

      DNS Request

      97.17.167.52.in-addr.arpa

    • 8.8.8.8:53
      50.23.12.20.in-addr.arpa
      dns
      70 B
      156 B
      1
      1

      DNS Request

      50.23.12.20.in-addr.arpa

    • 8.8.8.8:53
      18.31.95.13.in-addr.arpa
      dns
      70 B
      144 B
      1
      1

      DNS Request

      18.31.95.13.in-addr.arpa

    • 8.8.8.8:53
      18.134.221.88.in-addr.arpa
      dns
      72 B
      137 B
      1
      1

      DNS Request

      18.134.221.88.in-addr.arpa

    • 8.8.8.8:53
      13.86.106.20.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      13.86.106.20.in-addr.arpa

    • 8.8.8.8:53
      189.178.17.96.in-addr.arpa
      dns
      72 B
      137 B
      1
      1

      DNS Request

      189.178.17.96.in-addr.arpa

    • 8.8.8.8:53
      19.229.111.52.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      19.229.111.52.in-addr.arpa

    • 8.8.8.8:53
      190.178.17.96.in-addr.arpa
      dns
      72 B
      137 B
      1
      1

      DNS Request

      190.178.17.96.in-addr.arpa

    • 8.8.8.8:53
      63.141.182.52.in-addr.arpa
      dns
      72 B
      146 B
      1
      1

      DNS Request

      63.141.182.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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