Analysis

  • max time kernel
    104s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2022 18:01

General

  • Target

    dodo-doc-12.23.docm

  • Size

    1.3MB

  • MD5

    fccecb0deb25755fb7d60be2d42c7d24

  • SHA1

    73b865be51b0577a83168ca76df125615d31b07a

  • SHA256

    e85b452445ae19e8a458921c6e14d2c2697e003056f10ae49ab18b969f6aa821

  • SHA512

    8a778b523f0a54ca0e0c6396e4d4471189bc1e0f69e84462a05b554d87a0a316d7c81991898b09dd5034571821b09267506e70eb55388c887915c64b04d2b315

  • SSDEEP

    24576:/rlpJmLOgHWi8bj11H2w5inpF7sONo/qiy7L9pvRDNG7EzqHm+BmcW:/5pJmgf3zliFppmKqG+2

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Loads dropped DLL 4 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 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\dodo-doc-12.23.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:1380
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1760
    • C:\Windows\system32\rundll32.exe
      rundll32 C:\ProgramData\KBKOR4.DLL,init
      1⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      PID:1228

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\KBKOR4.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBKOR4.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBKOR4.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBKOR4.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBKOR4.DLL
      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • memory/1380-85-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-69-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1380-57-0x0000000075A11000-0x0000000075A13000-memory.dmp
      Filesize

      8KB

    • memory/1380-58-0x0000000070BFD000-0x0000000070C08000-memory.dmp
      Filesize

      44KB

    • memory/1380-59-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-60-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-61-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-62-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-63-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-64-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-65-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-66-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-87-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-70-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-68-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-67-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-71-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-73-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-74-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-72-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-77-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-78-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-76-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-88-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-81-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-82-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-80-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-79-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-84-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-83-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-54-0x0000000072191000-0x0000000072194000-memory.dmp
      Filesize

      12KB

    • memory/1380-94-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-55-0x000000006FC11000-0x000000006FC13000-memory.dmp
      Filesize

      8KB

    • memory/1380-75-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-89-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-90-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-91-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-92-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-93-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-86-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-96-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-95-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-97-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-102-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-101-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-100-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-99-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-98-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-105-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-106-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-104-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-103-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-110-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-109-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-108-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-107-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-113-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-114-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-112-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-111-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-117-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-118-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-116-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-115-0x000000000063D000-0x0000000000641000-memory.dmp
      Filesize

      16KB

    • memory/1380-200-0x0000000070BFD000-0x0000000070C08000-memory.dmp
      Filesize

      44KB

    • memory/1380-198-0x0000000070BFD000-0x0000000070C08000-memory.dmp
      Filesize

      44KB

    • memory/1760-196-0x0000000000000000-mapping.dmp