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Resubmissions

09/09/2022, 17:25

220909-vzhceagfh4 1

09/09/2022, 15:18

220909-spykjaccbr 10

09/09/2022, 15:08

220909-sh2zdaccaq 1

09/09/2022, 15:04

220909-sfpw2agde2 1

Analysis

  • max time kernel
    105s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    09/09/2022, 15:04

General

  • Target

    fastemailsystems.document.09.09.22.xlsm

  • Size

    3.3MB

  • MD5

    c31319d66a1caab0aea47c65ab2b0897

  • SHA1

    b0b3711aac3683ca6bc8975f0686987a833cbc3c

  • SHA256

    3e8b5d4ac62a25e6c08b99954ee66559a8b758a4a05d5cd8a2a1151bbd80016a

  • SHA512

    5e418ffa4790be551e0f228ff6e0f23fcd2b0861d26e61299168aefa70fe9598563d1c1222ff85362fdaffd81efb576b9f67e376a32c57d0ccaa3fbe05046994

  • SSDEEP

    98304:Y0cMQv/hDAEl7Xtpny6H41l+/Xd8NyU9QgfW:Y//VAa7dpny+41l+vdoyf

Score
1/10

Malware Config

Signatures

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\fastemailsystems.document.09.09.22.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1284

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1284-60-0x000007FEFB821000-0x000007FEFB823000-memory.dmp

      Filesize

      8KB

    • memory/1668-64-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-65-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-58-0x0000000075071000-0x0000000075073000-memory.dmp

      Filesize

      8KB

    • memory/1668-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1668-55-0x0000000070E71000-0x0000000070E73000-memory.dmp

      Filesize

      8KB

    • memory/1668-62-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-61-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-63-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-54-0x000000002F0E1000-0x000000002F0E4000-memory.dmp

      Filesize

      12KB

    • memory/1668-57-0x0000000071E5D000-0x0000000071E68000-memory.dmp

      Filesize

      44KB

    • memory/1668-66-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-67-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-68-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-69-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-70-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-71-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-72-0x000000000053F000-0x0000000000543000-memory.dmp

      Filesize

      16KB

    • memory/1668-83-0x0000000071E5D000-0x0000000071E68000-memory.dmp

      Filesize

      44KB

    • memory/1668-84-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1668-85-0x0000000071E5D000-0x0000000071E68000-memory.dmp

      Filesize

      44KB