Analysis

  • max time kernel
    56s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    27-06-2022 14:54

General

  • Target

    SFXC.vbs

  • Size

    1KB

  • MD5

    e83167b3e0e64046118a235c7186780a

  • SHA1

    743975fd4c7a97c6537f344198a4ff579aefef6a

  • SHA256

    3ece7e1487371dd2b7c432ef7948b8e35a7bd66296c1ec98b273ce686a590276

  • SHA512

    32fe170e435eb238da0b354ea3f9f437f6899497a18e08f6410111cfddbc6ca813e5430fbbd6fa001de6efc3d85948201b41c244cf9e86bd999e69602a55dc39

Malware Config

Signatures

  • Detected google phishing page
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 27 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\SFXC.vbs"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    PID:848
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1456 CREDAT:275457 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:1036

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\1b4wh1e\imagestore.dat
    Filesize

    8KB

    MD5

    440b32b570eaf08344b84846f2c3f942

    SHA1

    5f689d3bba2d36c465a336ca55e30afb88659eff

    SHA256

    a8f1c191b6a1865d9f8f0e2c17346abc6f84b6538d6b1bdf056865c04701f2c9

    SHA512

    54720a5fc658c2c63e2ca16a4726d21e8600db3a6dc7108057bb26c5112ac5a3114164a0049ab7c0612070be9862ed50acb0103741762d02318e30e51e5bf243