Analysis

  • max time kernel
    34s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    01-11-2021 20:30

General

  • Target

    wsusoffline/xslt/extract-update-revision-and-file-ids.xsl.xml

  • Size

    970B

  • MD5

    b624b2129353822376726f274811b225

  • SHA1

    b6716645cfaf56e8e5e863a2b408c07c64549402

  • SHA256

    ca70add140d468034e5139e7b20514e04fede3f6507853d5791f5b4c07987fa6

  • SHA512

    f1eb463255285b089989475afe2c69e27d81220a1bf294facac9e89eabe67197d823d216feeb1d168fbcf0bf831ba86f75540e74a4509848803afd1b75a7d481

Score
1/10

Malware Config

Signatures

  • Modifies Internet Explorer settings 1 TTPs 25 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\wsusoffline\xslt\extract-update-revision-and-file-ids.xsl.xml"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:472
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1160
      • C:\Program Files\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1540
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1540 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/472-55-0x0000000075321000-0x0000000075323000-memory.dmp
    Filesize

    8KB

  • memory/1160-56-0x0000000000000000-mapping.dmp
  • memory/1540-57-0x0000000000000000-mapping.dmp
  • memory/1640-58-0x0000000000000000-mapping.dmp