Overview

overview

10

Static

static

a142637ef3...0b.exe

windows7_x64

10

a142637ef3...0b.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22-12-2021 00:22

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General

  • Target

    a142637ef315b12c7a4fbd775d20aa0b.exe

  • Size

    158KB

  • MD5

    a142637ef315b12c7a4fbd775d20aa0b

  • SHA1

    501987446d082e356c412827736b5b1a2ed04b47

  • SHA256

    c9d747511a0384a1269928fb6486411d045616865ba88062e46d8307e01c780b

  • SHA512

    2b0175f57c996fd6d2313db124154a2b63491ae2da57ca0794e3875b2e40b450381dfaad0ac538e0ec1bd05d9881159f3c01b90d28146e5cf988477f62f3776f

Score
10/10
njratevasionpersistencetrojan

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a142637ef315b12c7a4fbd775d20aa0b.exe
    "C:\Users\Admin\AppData\Local\Temp\a142637ef315b12c7a4fbd775d20aa0b.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3824
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      "C:\Users\Admin\AppData\Roaming\WindowsServices.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:404
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
          PID:2156

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      MD5

      a142637ef315b12c7a4fbd775d20aa0b

      SHA1

      501987446d082e356c412827736b5b1a2ed04b47

      SHA256

      c9d747511a0384a1269928fb6486411d045616865ba88062e46d8307e01c780b

      SHA512

      2b0175f57c996fd6d2313db124154a2b63491ae2da57ca0794e3875b2e40b450381dfaad0ac538e0ec1bd05d9881159f3c01b90d28146e5cf988477f62f3776f

      Download Submit

    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      MD5

      a142637ef315b12c7a4fbd775d20aa0b

      SHA1

      501987446d082e356c412827736b5b1a2ed04b47

      SHA256

      c9d747511a0384a1269928fb6486411d045616865ba88062e46d8307e01c780b

      SHA512

      2b0175f57c996fd6d2313db124154a2b63491ae2da57ca0794e3875b2e40b450381dfaad0ac538e0ec1bd05d9881159f3c01b90d28146e5cf988477f62f3776f

      Download Submit

    • memory/404-116-0x0000000000000000-mapping.dmp

      Download

    • memory/404-119-0x0000000002250000-0x0000000002251000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2156-120-0x0000000000000000-mapping.dmp

      Download

    • memory/3824-115-0x00000000023B0000-0x00000000023B1000-memory.dmp

      Filesize

      4KB

      Download