Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-06-2024 03:14

General

  • Target

    fd115e2d35992b59fb62f89b59437b5284a4d9fcb3fc0974c1dd6b56b37de509.exe

  • Size

    633KB

  • MD5

    a04b2a0df1ed1d4d23b5f511b05db42c

  • SHA1

    3564d3ebe7861d9d6be4be7945577669548832f5

  • SHA256

    fd115e2d35992b59fb62f89b59437b5284a4d9fcb3fc0974c1dd6b56b37de509

  • SHA512

    7d5b5bc9e59473b010c4e86d7439a50ddc2688e30c5005c09f42e4d2825e373a6e565824f1cb94b98b1106a78746fe9ade57485c77aa890296f84528553eaeee

  • SSDEEP

    12288:5gWUQKFHJW2PnAbDKZXVrsa238hsSGL1b+AiqYNC+gwoFuJ5QPPbwHo:1Kxw2IXWFrsaJhsSGLJ+pNf9osQPb

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd115e2d35992b59fb62f89b59437b5284a4d9fcb3fc0974c1dd6b56b37de509.exe
    "C:\Users\Admin\AppData\Local\Temp\fd115e2d35992b59fb62f89b59437b5284a4d9fcb3fc0974c1dd6b56b37de509.exe"
    1⤵
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3256
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Unrayed=Get-Content 'C:\Users\Admin\AppData\Local\Bimorphs\Shinbones.Kon';$Attempted=$Unrayed.SubString(54759,3);.$Attempted($Unrayed)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
        3⤵
          PID:4812
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 2540
          3⤵
          • Program crash
          PID:3992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3176 -ip 3176
      1⤵
        PID:3284

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Bimorphs\Shinbones.Kon

        Filesize

        53KB

        MD5

        7fe78c8e195c13415ae96f23aa32de30

        SHA1

        b00ab0693d30fa8ec4bff5b22abedf70321846b7

        SHA256

        e7a7c1f2116f79cbffd03b093a32b4c474bb823c47eba8ee9ecfda17b4bb238e

        SHA512

        8324f1cee46921ba976396baa77e216d0155741561f67a4c3bc385df29667f56f15dc992e25f25044a1764811b1ca455ebcfb11f4dcd0d36fc5b803db0acb015

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kdxgo0im.tg3.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/3176-13-0x0000000074100000-0x00000000748B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3176-28-0x00000000064E0000-0x000000000652C000-memory.dmp

        Filesize

        304KB

      • memory/3176-9-0x000000007410E000-0x000000007410F000-memory.dmp

        Filesize

        4KB

      • memory/3176-14-0x0000000005D20000-0x0000000005D42000-memory.dmp

        Filesize

        136KB

      • memory/3176-15-0x0000000005DC0000-0x0000000005E26000-memory.dmp

        Filesize

        408KB

      • memory/3176-16-0x0000000005E30000-0x0000000005E96000-memory.dmp

        Filesize

        408KB

      • memory/3176-11-0x0000000074100000-0x00000000748B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3176-26-0x0000000005EA0000-0x00000000061F4000-memory.dmp

        Filesize

        3.3MB

      • memory/3176-27-0x0000000006490000-0x00000000064AE000-memory.dmp

        Filesize

        120KB

      • memory/3176-12-0x0000000005580000-0x0000000005BA8000-memory.dmp

        Filesize

        6.2MB

      • memory/3176-29-0x0000000006A30000-0x0000000006AC6000-memory.dmp

        Filesize

        600KB

      • memory/3176-31-0x00000000069F0000-0x0000000006A12000-memory.dmp

        Filesize

        136KB

      • memory/3176-30-0x00000000069D0000-0x00000000069EA000-memory.dmp

        Filesize

        104KB

      • memory/3176-32-0x0000000007AD0000-0x0000000008074000-memory.dmp

        Filesize

        5.6MB

      • memory/3176-10-0x0000000004F10000-0x0000000004F46000-memory.dmp

        Filesize

        216KB

      • memory/3176-34-0x0000000008700000-0x0000000008D7A000-memory.dmp

        Filesize

        6.5MB

      • memory/3176-36-0x0000000074100000-0x00000000748B0000-memory.dmp

        Filesize

        7.7MB