Analysis

  • max time kernel
    285s
  • max time network
    33s
  • 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/dcomemo.rtf

  • Size

    3KB

  • MD5

    1464993b633f1f6b0eeab7469076a369

  • SHA1

    9bddefe8c22482bc220d93f05a62ef3a138429a3

  • SHA256

    1afe0c42931656985a5955514d49a250ee07fd2a9de67fcdd45c9f492a11abd7

  • SHA512

    6e86850cc6c8ce32b85bef6f79d03106dc369c5ec217bc4db05d3731d43ba67129452feaaf5ea4d38cb0ccfedf5f39b13d926a71830449880fb7f0299a109dda

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\dcomemo.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:1980
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1764

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      20KB

      MD5

      ff93b05f556a3a3ca54eeb977a39dbd6

      SHA1

      bd10a0df01f16c94abc7bc410bcf2a449dc3580d

      SHA256

      9c448685d1a4210bfea26d32b9a5ad0be2f5a4676d6909449c0170649136741f

      SHA512

      4f8755efae6bee5a06e9a1806008a8ec7e413c1e6a3c19004f8f8df1aba992acec85538cae24cf80751f299c3983b787f2b8c23c0390b22403b7ba9753f98596

    • memory/1980-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1980-80-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB