Resubmissions

09-01-2023 11:01

230109-m429dadh87 10

Analysis

  • max time kernel
    134s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2023 11:01

General

  • Target

    YouContract/InvoiceUpdate.dll

  • Size

    516KB

  • MD5

    47de9b443272713b0293996513a95568

  • SHA1

    98ac88a84abe907cb13f3d6784b926e11a0b1fff

  • SHA256

    5764291e780539853bb430a43102eac55387c0b46e49d22f1d8bb894ca1dac89

  • SHA512

    a0589281b70ae7047c77b1178fa1d73bc119d9543d7a27323d371d62a336198aee8fe9a588f14df868b271ee059293a4e9de6da4ac481904c18a36e880fdfaa9

  • SSDEEP

    6144:wiIqnct7uycRpLrFPQleGc2BpeQvfTiD3MJIyFX+OwjzK9y9KOc6rXPMATcBu:wihnctArBgRprvbiIIAuz19nTMAgc

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\YouContract\InvoiceUpdate.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1224
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\YouContract\InvoiceUpdate.dll,#1
      2⤵
        PID:3884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 600
          3⤵
          • Program crash
          PID:2036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3884 -ip 3884
      1⤵
        PID:1756

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • memory/3884-132-0x0000000000000000-mapping.dmp