Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2024, 17:43

General

  • Target
    3d7a3f7c35d14b62f9f984ffb972cc92.exe
  • Size 12KB
  • Sample240101-waze3ahdf8
  • SHA256 0f2a680418d1a1244bb40fb14b871944588e8d02fc3dbbe9f2e74b47e923eac6
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d7a3f7c35d14b62f9f984ffb972cc92.exe
    "C:\Users\Admin\AppData\Local\Temp\3d7a3f7c35d14b62f9f984ffb972cc92.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3880
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3880 CREDAT:17410 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4820

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        verC39E.tmp

        • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verC39E.tmp
        • Size 15KB
        • SHA256 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
        • MD5 SHA1 SHA512 SSDEEP

        suggestions[1].en-US

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\R977VUU4\suggestions[1].en-US
        • Size 17KB
        • SHA256 c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
        • MD5 SHA1 SHA512 SSDEEP

        memory/4920-0-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4920-2-0x0000000000400000-0x0000000000409000-memory.dmp