Overview

overview

10

Static

static

10

cfca60135a...12.exe

windows7_x64

10

cfca60135a...12.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    10-01-2022 08:26

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General

  • Target

    cfca60135ace947b42f62ac66f22c512.exe

  • Size

    31KB

  • MD5

    cfca60135ace947b42f62ac66f22c512

  • SHA1

    89d5914fa02ed618d4eb4fe4d6a8a601b41ec42b

  • SHA256

    d26cea6912e11e87d9fa8782f69b01d38c4e8d40c9548341629b8281f9aa2ab0

  • SHA512

    9a78a102b2c322ea92034d544357ba0abf0c281959f8af19d7c963e1056e13e10b37112bfac0f9043c631b92b65c6d9595685e7af981892f451dd55b86e257e5

Score
10/10
njratmybotevasionpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

0.tcp.ngrok.io:18994

Mutex

9b8a3c55ddf9e26fc7191bb2a3876cd8

Attributes
  • reg_key

    9b8a3c55ddf9e26fc7191bb2a3876cd8

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • 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\cfca60135ace947b42f62ac66f22c512.exe
    "C:\Users\Admin\AppData\Local\Temp\cfca60135ace947b42f62ac66f22c512.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3716
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
        3⤵
          PID:400

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      MD5

      cfca60135ace947b42f62ac66f22c512

      SHA1

      89d5914fa02ed618d4eb4fe4d6a8a601b41ec42b

      SHA256

      d26cea6912e11e87d9fa8782f69b01d38c4e8d40c9548341629b8281f9aa2ab0

      SHA512

      9a78a102b2c322ea92034d544357ba0abf0c281959f8af19d7c963e1056e13e10b37112bfac0f9043c631b92b65c6d9595685e7af981892f451dd55b86e257e5

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      MD5

      cfca60135ace947b42f62ac66f22c512

      SHA1

      89d5914fa02ed618d4eb4fe4d6a8a601b41ec42b

      SHA256

      d26cea6912e11e87d9fa8782f69b01d38c4e8d40c9548341629b8281f9aa2ab0

      SHA512

      9a78a102b2c322ea92034d544357ba0abf0c281959f8af19d7c963e1056e13e10b37112bfac0f9043c631b92b65c6d9595685e7af981892f451dd55b86e257e5

      Download Submit

    • memory/400-120-0x0000000000000000-mapping.dmp

      Download

    • memory/3716-115-0x0000000000E80000-0x0000000000E81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3984-116-0x0000000000000000-mapping.dmp

      Download

    • memory/3984-119-0x0000000002A01000-0x0000000002A02000-memory.dmp

      Filesize

      4KB

      Download