Analysis

  • max time kernel
    187s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2022 11:37

General

  • Target

    1b8f5b13d79bd9de5c10dc79514ce51b.doc

  • Size

    1.3MB

  • MD5

    1b8f5b13d79bd9de5c10dc79514ce51b

  • SHA1

    a23aeb990164016156951ab1707787122748c8e4

  • SHA256

    eba7c89f492f23bb3cc86520cdd0463be93cdde7ce12674ddb2a109bb4b2bf5c

  • SHA512

    c68026fef436aeed967d560740539417fd3e6603a9f34312bf86469947f5dc3beffae48e012958865825d73624274e39590444543f71e8a770ce4a0284d551e5

  • SSDEEP

    24576:bEIZ4wA74D4SQKxZcy8gthDWs/chYusVNVQK0U/B89:b+wJD4QZh/qKKMn70uB8

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
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 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\1b8f5b13d79bd9de5c10dc79514ce51b.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:1640
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1704

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1640-54-0x0000000072F11000-0x0000000072F14000-memory.dmp
      Filesize

      12KB

    • memory/1640-55-0x0000000070991000-0x0000000070993000-memory.dmp
      Filesize

      8KB

    • memory/1640-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1640-57-0x0000000075921000-0x0000000075923000-memory.dmp
      Filesize

      8KB

    • memory/1640-59-0x000000007197D000-0x0000000071988000-memory.dmp
      Filesize

      44KB

    • memory/1640-61-0x000000007197D000-0x0000000071988000-memory.dmp
      Filesize

      44KB

    • memory/1704-58-0x0000000000000000-mapping.dmp
    • memory/1704-60-0x000007FEFC371000-0x000007FEFC373000-memory.dmp
      Filesize

      8KB