Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 15:47

General

  • Target

    specifications.exe

  • Size

    990KB

  • MD5

    54e257b56a256a2f1b062d2cebda6b2d

  • SHA1

    4c4d8ddc6afce07f623b256fb21638cbdbd16144

  • SHA256

    4e984c829df56d7ec108cc19f3015e3c39ab0b0fdc9f11eaeeecb91d525db545

  • SHA512

    6f8e30f1b11fee49461691fd1d74de2dfe1c6f64c369d59632cb9e862ba3c3d0abab329e3134f5adcc066ee26f00f96ce303e1f5cdc318969698a7ce99261fce

  • SSDEEP

    24576:/4ezTAAfvu9z/4Jy7WjTfmzKnsWhegcKyJI:/4WAAfIgNjT+KnsWhegcXG

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 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\specifications.exe
    "C:\Users\Admin\AppData\Local\Temp\specifications.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Nondenunciation=Get-Content 'C:\Users\Admin\AppData\Local\skuespillerevnernes\Kilders219\Personalhistoriker\millionren.Non';$Tabinet=$Nondenunciation.SubString(50736,3);.$Tabinet($Nondenunciation)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1624
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
        3⤵
          PID:4740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 2692
          3⤵
          • Program crash
          PID:1064
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1624 -ip 1624
      1⤵
        PID:4628

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i1aks2pe.xec.ps1
        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\skuespillerevnernes\Kilders219\Personalhistoriker\millionren.Non
        Filesize

        49KB

        MD5

        80157482bbee05d39cc6eb150df00ee5

        SHA1

        541958b59d496ae8814c09336eda330993db754c

        SHA256

        4c2726ecd1f509ea66be91622735c2b9885c232c3b3733390e46d2859b2aed0b

        SHA512

        82f62f244fe0690c68b4eb983e1bd5ae421a5f10cf12d281a9dc167d9b99f60ea4dcac573f05626e5fc41ae50d18754029eae3f677806a83dfd7a801bda61c16

      • memory/1624-10-0x0000000073CB0000-0x0000000074460000-memory.dmp
        Filesize

        7.7MB

      • memory/1624-25-0x0000000005DF0000-0x0000000005E3C000-memory.dmp
        Filesize

        304KB

      • memory/1624-6-0x0000000073CBE000-0x0000000073CBF000-memory.dmp
        Filesize

        4KB

      • memory/1624-11-0x0000000004DB0000-0x0000000004DD2000-memory.dmp
        Filesize

        136KB

      • memory/1624-13-0x00000000056F0000-0x0000000005756000-memory.dmp
        Filesize

        408KB

      • memory/1624-12-0x0000000005680000-0x00000000056E6000-memory.dmp
        Filesize

        408KB

      • memory/1624-8-0x0000000073CB0000-0x0000000074460000-memory.dmp
        Filesize

        7.7MB

      • memory/1624-19-0x0000000005760000-0x0000000005AB4000-memory.dmp
        Filesize

        3.3MB

      • memory/1624-24-0x0000000005D50000-0x0000000005D6E000-memory.dmp
        Filesize

        120KB

      • memory/1624-9-0x0000000004EE0000-0x0000000005508000-memory.dmp
        Filesize

        6.2MB

      • memory/1624-26-0x00000000062C0000-0x0000000006356000-memory.dmp
        Filesize

        600KB

      • memory/1624-27-0x0000000006270000-0x000000000628A000-memory.dmp
        Filesize

        104KB

      • memory/1624-28-0x0000000006360000-0x0000000006382000-memory.dmp
        Filesize

        136KB

      • memory/1624-29-0x0000000007330000-0x00000000078D4000-memory.dmp
        Filesize

        5.6MB

      • memory/1624-7-0x0000000002770000-0x00000000027A6000-memory.dmp
        Filesize

        216KB

      • memory/1624-31-0x0000000007F60000-0x00000000085DA000-memory.dmp
        Filesize

        6.5MB

      • memory/1624-33-0x0000000073CB0000-0x0000000074460000-memory.dmp
        Filesize

        7.7MB