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Analysis

  • max time kernel
    148s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 23:55

General

  • Target

    Rekt/Rekt/33333333333.exe

  • Size

    5.6MB

  • MD5

    054bf72f469f8ab9aa22bbd0ad61921a

  • SHA1

    e676cc65e9610c628cbd3a542f5f4c6e58132146

  • SHA256

    bbd286a15e181385091572031936857e40217bfc8e0e0ae1ca9f5ac8aa2614e8

  • SHA512

    1b735b8a2b00efb816249ba83c9d1f6d63423e21ff32310eab6b7351da99324c659646166e21636305e2509dc3be2813c1c4329e05d4b26bdbb5d5965c1b1e7b

  • SSDEEP

    98304:Jz14DaUCyCWUartDr8Jmk4mUJF24dl8asICU/pw7r+UNgDHmsE2V02S4h:H4fwert/3JmscksINK7r+U6zmTu

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Rekt\Rekt\33333333333.exe
    "C:\Users\Admin\AppData\Local\Temp\Rekt\Rekt\33333333333.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\iqww1hgr.exe
      "C:\Users\Admin\AppData\Local\Temp\iqww1hgr.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 812
        3⤵
        • Program crash
        PID:5068
    • C:\Users\Admin\AppData\Local\Temp\jpxmdoqv.exe
      "C:\Users\Admin\AppData\Local\Temp\jpxmdoqv.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3804
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\jpxmdoqv.exe" "jpxmdoqv.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3004 -ip 3004
    1⤵
      PID:612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\iqww1hgr.exe

      Filesize

      5.6MB

      MD5

      5f550a12065b23d985fec1f32c6f78a2

      SHA1

      2092caac12f23081a89d6aed70722606ab32fcee

      SHA256

      6692e62af43ebdba8e2fa35aa2a4bb0faf43658a1ba6892d6afd7a7d9ac550ba

      SHA512

      93cd04a3b1fcb44b1fda84a0dc87049ce4d57df1876754bb968cd18ba36264da97b0c2e7bc19969d4dd5c28a578f9f65086b9e844d53c6f591f5632af07c15f5

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

      Filesize

      23KB

      MD5

      3bde29a049e0cff5daf73679f8f66130

      SHA1

      654b0bddaca82e7cc5a6d8f218738cc1cc818647

      SHA256

      4adff9119d079e3bedf5c25851865667d22db9331207c55dad7abae3804afd67

      SHA512

      dfb36abbbfe92930a1ab86a8eeadd6802c40a9b8f5620e0b9a825c18bf02ca33325a5a13a35d39665eeae08a8a57e116008fd8331dc17973e98348864767e606

    • memory/3004-28-0x0000000000BB0000-0x000000000114E000-memory.dmp

      Filesize

      5.6MB

    • memory/3004-29-0x0000000072AA0000-0x0000000072B29000-memory.dmp

      Filesize

      548KB

    • memory/3004-22-0x00000000717AE000-0x00000000717AF000-memory.dmp

      Filesize

      4KB

    • memory/3076-26-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/3076-0-0x0000000074622000-0x0000000074623000-memory.dmp

      Filesize

      4KB

    • memory/3076-2-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/3076-1-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/3804-25-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/3804-27-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB

    • memory/3804-23-0x0000000074622000-0x0000000074623000-memory.dmp

      Filesize

      4KB

    • memory/3804-30-0x0000000074620000-0x0000000074BD1000-memory.dmp

      Filesize

      5.7MB