Analysis

  • max time kernel
    64s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    15-03-2023 19:46

General

  • Target

    zatverdzhenniy_spisok_osib_na_otrim.docm

  • Size

    768KB

  • MD5

    9eff5d479840cfb0f6b5319dca248aa4

  • SHA1

    1b8c46bc20e8319a7f9aa476476c53dab419f3f0

  • SHA256

    17637fac7f989549acd248ca9e5293d2b9a1a2e4bb0f7e4edf5571df35129f0c

  • SHA512

    fda1e2ad58026432205ae37d0328e7c99d2db8b5325cf728311fa6c3f407b73b58dc6adb361fde4d8750ff9a531cb0c1b3bf96c4f9ba40a5e9a80706b8116abf

  • SSDEEP

    24576:qUtOpbKbSOcvppU2N1Curn7J+wAM/+oa/CDSJSU9FssX:qUtKAtmUk1hd/JLDSJSAqsX

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\zatverdzhenniy_spisok_osib_na_otrim.docm"
    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:1136
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1692

    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\UProof\ExcludeDictionaryEN0409.lex
      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1136-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1136-162-0x0000000005360000-0x0000000005460000-memory.dmp
      Filesize

      1024KB