Resubmissions

11-01-2023 13:26

230111-qpjehagg7t 5

Analysis

  • max time kernel
    32s
  • max time network
    37s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-01-2023 13:26

General

  • Target

    https://lmo.accessexpress.sbs/common/oauth2/v2.0/authorize?client_id=4785445b-32c6-4960-83e6-1d93763276ca

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Modifies Internet Explorer settings 1 TTPs 26 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://lmo.accessexpress.sbs/common/oauth2/v2.0/authorize?client_id=4785445b-32c6-4960-83e6-1d93763276ca
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1512
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1512 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4832
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
      PID:4652

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\z2evvp3\imagestore.dat

      Filesize

      18KB

      MD5

      ad059390e1e338f53e9b4c567f4e7947

      SHA1

      f7bf04b9b8fad13bd7334060aa69eac22d969287

      SHA256

      5639d7f54be13a98094956df8ef41d7c7d7ddb29dd88a68738032415d2ad0f7a

      SHA512

      48e615432909ea612a1e637f6b89dd5ce896e5f5d850c08882d370cea2eac24019619ec372c5dfc0a20685e391627cdf4d3c37ec4adee0294ec11acfd59939fb