Analysis

  • max time kernel
    102s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    02/04/2023, 22:46

General

  • Target
    s3-sa-east-1.amazonaws.com_tcm-assets_fraport-fortaleza-ptbr_files_assignees_credenciamento_formul_c.docm
  • Size 68KB
  • Sample230402-2qengsbb24
  • SHA256 6b11c7e042bf65c285ab4cad923935d6c0a08a42ff48744c370fc444cce7a7cd
  • MD5 SHA1 SHA512 SSDEEP
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 FindShellTrayWindow 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\s3-sa-east-1.amazonaws.com_tcm-assets_fraport-fortaleza-ptbr_files_assignees_credenciamento_formul_c.docm"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1424
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:976

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          7B6280EC.wmf

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\7B6280EC.wmf
          • Size 642B
          • SHA256 907c6605b056a2607e839db5300acf8485e94427da3357253d16b61d8f445b21
          • MD5 SHA1 SHA512

          E459D21.wmf

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\E459D21.wmf
          • Size 642B
          • SHA256 83f4ea26254d69825486bffd1d400217aac7245c5c48fe5acc3ccdea173c4851
          • MD5 SHA1 SHA512

          Normal.dotm

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
          • Size 20KB
          • SHA256 78e3468b62f02c0a94f5cc6ade098835ab0ee72aa41a125af930d57c3c768246
          • MD5 SHA1 SHA512 SSDEEP

          memory/1424-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

          memory/1424-71-0x0000000006910000-0x0000000006A10000-memory.dmp

          memory/1424-112-0x000000005FFF0000-0x0000000060000000-memory.dmp