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Analysis

  • max time kernel
    147s
  • 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
    25/06/2024, 01:48

General

  • Target

    c28ec21beda0688372e11e53a55f494fd0278929322019739c0084638716a3ba.exe

  • Size

    597KB

  • MD5

    01fcb8fb62b7bcf6fa81e765d0c3f571

  • SHA1

    2fb9a233ba5c4ec26c275b10300b2e5b57baa435

  • SHA256

    c28ec21beda0688372e11e53a55f494fd0278929322019739c0084638716a3ba

  • SHA512

    059f448f4db5e4ca667bc2a7fec0f45705aa9217bdb0bce701670df75cb29739cea2cdd4f1123cd6ff8d164d8552448b28def00c88ae1ff850f8cca0667230ec

  • SSDEEP

    12288:1oGrkbKNHKTGwvqXsIkkTLlrvK94BPbSGgW:1oGIbIHKT7vCgk3lLu61n

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 5 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c28ec21beda0688372e11e53a55f494fd0278929322019739c0084638716a3ba.exe
    "C:\Users\Admin\AppData\Local\Temp\c28ec21beda0688372e11e53a55f494fd0278929322019739c0084638716a3ba.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Gelpjen=Get-Content 'C:\Users\Admin\AppData\Local\Temp\fingerstningerne\flagellulae\Usmmeligheds.Tro';$Anigonus=$Gelpjen.SubString(51086,3);.$Anigonus($Gelpjen)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" "/c set /A 1^^0"
        3⤵
          PID:3480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 2640
          3⤵
          • Program crash
          PID:664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 2904 -ip 2904
      1⤵
        PID:2216

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ifewg0ur.z3y.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\fingerstningerne\flagellulae\Usmmeligheds.Tro

        Filesize

        49KB

        MD5

        effee95945c050b65310d4e05a17d897

        SHA1

        663db609ae44ccf619242830ca0b6fd20ec481f8

        SHA256

        6439dc73d1ce981c431de40f0a01210c6c14e202bf02c5b2047db7bcf2cca9a6

        SHA512

        bcadab2333af674c6cefdcd3ae0b87016a77fb7908c5b80326ec372642c46f67548623263a889a645945c1bb1e8f0035b199abe461709ab84128e2af7c3a6db2

      • C:\Windows\SysWOW64\bores.lnk

        Filesize

        1KB

        MD5

        cb2819ceb47f59dce96ed438d1b63ff8

        SHA1

        15882c50a86484d1c218e1b686e9f942782083d8

        SHA256

        cd80cd102aa6a8bf79497f6b57eabbf2d43cd1fdf49559a807a94db22dc47850

        SHA512

        7651632764cc86f16862163a48f6b09f14b0da094b1fbfb796ffc46ea1cc37420483e9f88b6fde4b490742ba5b5b4822e07c9bea13d0233e83ce58d427b0188a

      • C:\Windows\yer.ini

        Filesize

        38B

        MD5

        e58f8a2dcf15a626bc785906a24d269a

        SHA1

        451f8692070432dbd0232c61631cb49874323fd7

        SHA256

        39b313e3f6e503de2657691e96235891834d12dab42957e62aea1c588c35bc83

        SHA512

        7c33aec2758c72eb727f156ca5946626409a1b2ad22a980801436acacac1bf05eac231a2a0cc2858d369a54cbfa3cafdbd449ce696bf6c8fcecfb53699a75bd3

      • memory/2904-94-0x00000000057B0000-0x0000000005B04000-memory.dmp

        Filesize

        3.3MB

      • memory/2904-106-0x0000000005E00000-0x0000000005E4C000-memory.dmp

        Filesize

        304KB

      • memory/2904-73-0x0000000004DF0000-0x0000000004E12000-memory.dmp

        Filesize

        136KB

      • memory/2904-76-0x00000000056D0000-0x0000000005736000-memory.dmp

        Filesize

        408KB

      • memory/2904-77-0x0000000005740000-0x00000000057A6000-memory.dmp

        Filesize

        408KB

      • memory/2904-68-0x00000000050A0000-0x00000000056C8000-memory.dmp

        Filesize

        6.2MB

      • memory/2904-67-0x00000000734E0000-0x0000000073C90000-memory.dmp

        Filesize

        7.7MB

      • memory/2904-66-0x0000000002800000-0x0000000002836000-memory.dmp

        Filesize

        216KB

      • memory/2904-97-0x0000000005DB0000-0x0000000005DCE000-memory.dmp

        Filesize

        120KB

      • memory/2904-72-0x00000000734E0000-0x0000000073C90000-memory.dmp

        Filesize

        7.7MB

      • memory/2904-112-0x00000000062E0000-0x00000000062FA000-memory.dmp

        Filesize

        104KB

      • memory/2904-111-0x0000000006320000-0x00000000063B6000-memory.dmp

        Filesize

        600KB

      • memory/2904-113-0x0000000006DC0000-0x0000000006DE2000-memory.dmp

        Filesize

        136KB

      • memory/2904-114-0x00000000073A0000-0x0000000007944000-memory.dmp

        Filesize

        5.6MB

      • memory/2904-65-0x00000000734EE000-0x00000000734EF000-memory.dmp

        Filesize

        4KB

      • memory/2904-116-0x0000000007FD0000-0x000000000864A000-memory.dmp

        Filesize

        6.5MB

      • memory/2904-117-0x00000000734E0000-0x0000000073C90000-memory.dmp

        Filesize

        7.7MB