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Analysis

  • max time kernel
    135s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2022, 11:18

General

  • Target

    73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe

  • Size

    361KB

  • MD5

    fcfac837f8bc438090055bf1c8adc675

  • SHA1

    f5df70e8ce133dd393881e4905b9aec4347e1ee6

  • SHA256

    73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413

  • SHA512

    85e4bde9605032a0809cb3e4f9109d0e5f46fac51ed92302a9623b254b00c484a77f588e90a74f014f553d426e4b25fca1bd365c28c39557364cc7f6b39737c9

  • SSDEEP

    6144:pkU1ampKEpqs2WSH8EP6BEWCdrYnP9B2ZxrLTVoKYMvRAS5zz+Tv1:p3KEUs2WZKYP2DnTyZMvRLl

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe
    "C:\Users\Admin\AppData\Local\Temp\73b1ba0355d45ddbaf61331ae75d0cb5407abc0099d1b61d12a69ae8e390f413.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
        PID:3180

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3180-136-0x0000000000610000-0x0000000000652000-memory.dmp

      Filesize

      264KB

    • memory/4440-132-0x0000000074880000-0x0000000074E31000-memory.dmp

      Filesize

      5.7MB

    • memory/4440-133-0x0000000074880000-0x0000000074E31000-memory.dmp

      Filesize

      5.7MB

    • memory/4440-138-0x0000000074880000-0x0000000074E31000-memory.dmp

      Filesize

      5.7MB