Analysis

  • max time kernel
    92s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2022 15:21

General

  • Target

    d134b3ff18ce49640a442de93d6280cfd245b50ca171f3c90806aaa5d4b543a3.exe

  • Size

    204KB

  • MD5

    6a4de68fc2804b6c13a5d2abaa8abfb0

  • SHA1

    a51c86e0d2a513f5e4bfdd4bea5ca64c4af8f4e1

  • SHA256

    d134b3ff18ce49640a442de93d6280cfd245b50ca171f3c90806aaa5d4b543a3

  • SHA512

    f4565e6ca9d91dd875741bba6a8006a409134a0eb84213af8fbebea129aae26c09bd64a3c67841e9b22d4c25681f3133707fd4f1514ff04f751305f3bef17cb0

  • SSDEEP

    3072:bZWRowsodnPxy+rri2H/qBrFd0NgWLYv4ls5jyYXdvS5ByUdoZfP:dWRlddnBXi3BN3vgaFtU0

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Modifies registry class 60 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d134b3ff18ce49640a442de93d6280cfd245b50ca171f3c90806aaa5d4b543a3.exe
    "C:\Users\Admin\AppData\Local\Temp\d134b3ff18ce49640a442de93d6280cfd245b50ca171f3c90806aaa5d4b543a3.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\F14A.bat
      2⤵
        PID:4952

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\altcmd\altcmd32.dll

      Filesize

      180KB

      MD5

      7a2ba0941d9690e9c9ba81b9982fa18d

      SHA1

      030225b36f403f2a7df9cebd4b7d50061f97d399

      SHA256

      b507d259033a343c8bea48333a55e12d37027f94edc50385b492b2f94ff9ecce

      SHA512

      1e6b2e59793c0d3ef1f9b5653d207e3f0838780e86947f67b975e37ed25cfc376d5a360ae9f853a2463061c618c2609b25d95dd2b0f088da7f63b7b216c1e4f5

    • C:\Users\Admin\AppData\Local\Temp\F14A.bat

      Filesize

      295B

      MD5

      1e84c5c7417f06c64c866b9f3a1a5f01

      SHA1

      d1a88e1bccf0cdc8a0337a6f9652e0d68f15ed71

      SHA256

      6d333a8eea4c0399fcde70e7b2d1aa11547988353905054920268ac7e07dbffa

      SHA512

      052cfad60ec963e7980eda893accbf9799f36f6cf4233482f13b3b985d465374ac749271dd6e35a5c68b03f15323d414ac46630dbcd600e0581b8e21123679f1

    • memory/4952-133-0x0000000000000000-mapping.dmp