Resubmissions

08/03/2023, 02:21

230308-cs4mysde97 8

08/03/2023, 01:53

230308-ca7lwsch8w 10

Analysis

  • max time kernel
    101s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2023, 02:21

General

  • Target

    2023-03-08_1035.doc

  • Size

    517.3MB

  • MD5

    bcae0aca1a3b2df9d5e85de2ed3666e9

  • SHA1

    f56c3b72b7e8c55b9685e35765553fafbbb08e2b

  • SHA256

    5a092b0034f937f68ad7e5679ed840039fb824df8cad8f74b890cb7f4e42f0cd

  • SHA512

    4162200952e62402a6085ae5f1342a5b35d59f52a5ddf54d9eea3d318f62df9ca308cfc3e079cca484ab38af1ed17fa68fe9ad0c9541ff483aa3de20fff44afa

  • SSDEEP

    6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x

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
  • Script User-Agent 7 IoCs

    Uses user-agent string associated with script host/environment.

  • 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\2023-03-08_1035.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:1236
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1432

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      57cfa5476b20c3cb56061e4d9b969c40

      SHA1

      5e85cfd4de059e00b5a8771bf74798eb4849afff

      SHA256

      f32c54c4700a3cd44effbd2262db05976b69732a9f47fa55ba6cfe6b4ad36378

      SHA512

      3c4893da9ad7f518d9e9b7be9fa3c2f55b4298279f00bbddf6077ac42e23c024e0c2252f749420b71914cd2891cb80e608a3ae89511d0d83ae6f30708ebdb322

    • memory/1236-90-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-128-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-81-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-82-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-84-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-83-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-85-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-86-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-87-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-89-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-88-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1236-80-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-93-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-91-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-94-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-95-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-97-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-98-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-96-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-121-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-92-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-163-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-205-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/1236-79-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB