Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 18:40

General

  • Target

    jetssofftr543.exe

  • Size

    221KB

  • MD5

    c7c81ed3f21ca0f92316446946656c39

  • SHA1

    d1a3c9c4a1ac579184967f604193f8c1f1c41693

  • SHA256

    aad5593f8b48c2e45fb2344146ac1a16e79addf9fe859cf74c005b8c0b5bc452

  • SHA512

    38b49646496bdaed201b855b0fe6fa5783102a780ff8a55bfa97a37cf53ccc9ab6cd36a234ae6bab1e488c741bc42879fe96a32aff3ed7906653d9e78ae25121

  • SSDEEP

    6144:MEa0NUspTCne0ehbO4+MfVzDPdTG3xVzu5W+3uf:XUsp2epf+mT6VzaK

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 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 use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\jetssofftr543.exe
    "C:\Users\Admin\AppData\Local\Temp\jetssofftr543.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe
      "C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe
        "C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe"
        3⤵
          PID:4612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 624
          3⤵
          • Program crash
          PID:1428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1468 -ip 1468
      1⤵
        PID:1032

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe

        Filesize

        5KB

        MD5

        3d4499d3223b637035a9ea797bc04a9b

        SHA1

        979e0f0f542f473406c121187ba0d2833da5f3ce

        SHA256

        e8ac6c1d309e48d85d535d7b14cd44cfa2228fb5b5db89365320daa112fcb799

        SHA512

        581b2daf1591afb5125ff4bb79159ac22870a40a13927bd6f0cd3dac6753b3a3227003bead69afdb0fa59cfabc6dfc051f287d58fca87ccbd07c7054a041fbba

      • C:\Users\Admin\AppData\Local\Temp\rievdf.w

        Filesize

        5KB

        MD5

        137b470cf175ff012ce04ab666292bb9

        SHA1

        a209a552395357ad7eed4d1fd11e79af8de125a0

        SHA256

        5fb54480c1a5ea91ed623fdc7301c8d09c8d7c8dd55de4a4b9b5357586760f3e

        SHA512

        0852a552f77146847d39a24e8dd30f78ffa210d07942941478133cc5ddb98544a12b15c9d25f85d78859327af4dcc7204b8955c620583a90b26b87d0db037b12

      • C:\Users\Admin\AppData\Local\Temp\xynrjchc.oe

        Filesize

        185KB

        MD5

        8b391f4eea0c400d8a2dab4b4d7539b3

        SHA1

        8a5efe608e38f6dd2dda851d9bc442a0150112af

        SHA256

        3f4063d573ecd85272fc92547af4e7d8406d192f4e67bc62c846172e9e4ee14b

        SHA512

        f9e3aa22e625dadcfc6a45e14568a638c42bfc2a9e1685c2ad5281f629594c73d12618e1c86c2cccfd99d4571a9bfa2471051f6de1fe998f97d8d7d5b64c83e6

      • memory/1468-7-0x0000000000570000-0x0000000000572000-memory.dmp

        Filesize

        8KB