Analysis

  • max time kernel
    138s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-05-2024 19:26

General

  • Target

    1efb50439e1f8cf65915273d7b4097495532c8c9bf3307b14658ce7f4397d5ed.exe

  • Size

    225KB

  • MD5

    49c6b8a547939ab25c44f6c2e41ebaed

  • SHA1

    9b71bf85b5b40a5065accd5017b034d00dfcf1a2

  • SHA256

    1efb50439e1f8cf65915273d7b4097495532c8c9bf3307b14658ce7f4397d5ed

  • SHA512

    cf8d0d4c290a7a15da3c6e36d8e786c17a8966e46f546ef4cf8fd2d378003f1e0a0234388b9b3a6b1c540d3e5886a2155e57b9960c4f3ad48beae65f05edd281

  • SSDEEP

    6144:cA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:cATuTAnKGwUAW3ycQqgf

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • Modifies data under HKEY_USERS 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3436
    • C:\Users\Admin\AppData\Local\Temp\1efb50439e1f8cf65915273d7b4097495532c8c9bf3307b14658ce7f4397d5ed.exe
      "C:\Users\Admin\AppData\Local\Temp\1efb50439e1f8cf65915273d7b4097495532c8c9bf3307b14658ce7f4397d5ed.exe"
      2⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Windows\SysWOW64\winver.exe
        winver
        3⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 300
          4⤵
          • Program crash
          PID:3728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 744
        3⤵
        • Program crash
        PID:5064
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
    1⤵
    • Modifies data under HKEY_USERS
    PID:3336
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 684 -ip 684
    1⤵
      PID:5048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3708 -ip 3708
      1⤵
        PID:4484

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Replay Monitor

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      Downloads

      • memory/3436-4-0x0000000000950000-0x0000000000956000-memory.dmp
        Filesize

        24KB

      • memory/3436-5-0x0000000000950000-0x0000000000956000-memory.dmp
        Filesize

        24KB

      • memory/3436-10-0x0000000000960000-0x0000000000966000-memory.dmp
        Filesize

        24KB

      • memory/3708-1-0x0000000004550000-0x0000000004BA8000-memory.dmp
        Filesize

        6.3MB

      • memory/3708-2-0x0000000000510000-0x0000000000511000-memory.dmp
        Filesize

        4KB

      • memory/3708-6-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/3708-13-0x0000000004550000-0x0000000004BA8000-memory.dmp
        Filesize

        6.3MB