Analysis

  • max time kernel
    104s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2023 08:28

General

  • Target

    e85b452445ae19e8a458921c6e14d2c2697e003056f10ae49ab18b969f6aa821.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.

  • Blocklisted process makes network request 2 IoCs
  • 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 behavior: EnumeratesProcesses 2 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\e85b452445ae19e8a458921c6e14d2c2697e003056f10ae49ab18b969f6aa821.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:1752
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1092
    • C:\Windows\system32\rundll32.exe
      rundll32 C:\ProgramData\KBNO3.DLL,init
      1⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1744

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\KBNO3.DLL

      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBNO3.DLL

      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBNO3.DLL

      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBNO3.DLL

      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • \ProgramData\KBNO3.DLL

      Filesize

      740KB

      MD5

      404584ebbd5392ae611636e83c80df07

      SHA1

      4215876dbb1d8b9d617e35a305ac1d9c03c3c138

      SHA256

      d5ebe22fde4037d1f40402ca98b6d33f34a66a5d01fc8b52ceb50c36329f6215

      SHA512

      7358450edb7df324d7a96709308f7ba81b347ed67adcd9806434e0d46b920ff8b10bf0511ff49ebd752b16ab038f6b67f67c252bdc4a5a551cc40ee9c8c61d1c

    • memory/1092-200-0x0000000000000000-mapping.dmp

    • memory/1752-85-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-68-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-57-0x0000000076681000-0x0000000076683000-memory.dmp

      Filesize

      8KB

    • memory/1752-58-0x00000000712ED000-0x00000000712F8000-memory.dmp

      Filesize

      44KB

    • memory/1752-59-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-60-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-61-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-87-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-63-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-64-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-65-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-66-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-67-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-88-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-69-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-70-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-71-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-89-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-73-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-74-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-75-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-76-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-77-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-78-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-79-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-80-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-81-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-83-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-82-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-84-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-55-0x0000000070301000-0x0000000070303000-memory.dmp

      Filesize

      8KB

    • memory/1752-86-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-62-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1752-72-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-90-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-91-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-92-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-93-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-94-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-96-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-95-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-97-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-99-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-98-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-101-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-100-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-103-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-102-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-105-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-104-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-108-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-109-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-107-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-106-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-110-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-112-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-111-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-114-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-54-0x0000000072881000-0x0000000072884000-memory.dmp

      Filesize

      12KB

    • memory/1752-113-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-116-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-115-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-118-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-117-0x0000000000824000-0x0000000000828000-memory.dmp

      Filesize

      16KB

    • memory/1752-202-0x00000000712ED000-0x00000000712F8000-memory.dmp

      Filesize

      44KB

    • memory/1752-204-0x00000000712ED000-0x00000000712F8000-memory.dmp

      Filesize

      44KB