Analysis

  • max time kernel
    285s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20230220-es
  • resource tags

    arch:x64arch:x86image:win7-20230220-eslocale:es-esos:windows7-x64systemwindows
  • submitted
    27-03-2023 16:15

General

  • Target

    Victoria537/Help/Ukraine/vichlp.rtf

  • Size

    144KB

  • MD5

    43fed3d6537208c280faec0ff8242692

  • SHA1

    c479f33945019328d863f1d532abd98e82282e96

  • SHA256

    fbdae514e6f648554c58d7b6c3d1f154791dfaac94223b88f7881471020e7933

  • SHA512

    c305fad223c8532bd1e087a3f144d15533bb36692a90d760226e3efc0e6c02f5559b9f1aa9ced26ff2c9f674a602f834daf4c3ca7c615377a1c2cc9eca2af4f1

  • SSDEEP

    768:3W8Cm4tbDMMtOY3GPzPMEm/OoUW1M5AbDeme63K3mmGE91DcJYjyq6yGPXeP+/I4:W5Fm2uuByxCIlZRx0

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Victoria537\Help\Ukraine\vichlp.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1616

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      613f4c1adf5d1ce0ab14d3b7fe0c9a46

      SHA1

      3d27c1d8f39ab5209e2247272d80d527bf4df742

      SHA256

      e4e0388b9e3872d14b3ccc7ecf516619144b30ec88b363e05b86496ea7d73aeb

      SHA512

      25cd18d33fbaa1aed4f36115bde2572702e42568f6441eb1279acfb0b63d3f38154bdb5a0cf016aafb8231054e791741673871addfcaa238a42954b185d34c20

    • memory/860-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/860-83-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB