Overview

overview

10

Static

static

10

c6084f38c5...de.exe

windows7_x64

10

c6084f38c5...de.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    159s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 06:19

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General

  • Target

    c6084f38c5469e7c5395cd15ebe7ce32c63be1c37a3df55266f44c07029c42de.exe

  • Size

    23KB

  • MD5

    e3d0d1c17ebe317669282b73a51235b0

  • SHA1

    e63afae6b1df2ffe1fac49ac1fffe14c52e10dec

  • SHA256

    c6084f38c5469e7c5395cd15ebe7ce32c63be1c37a3df55266f44c07029c42de

  • SHA512

    4bdde959b4d82348e4bb610f0e919bba20064fc7348a00c719387f0649596a1615a55ae5037cb0e586b5f9ce1f93454acdcc17554b1ef261aba6a7cacd2a8237

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

kryptokrypto123.ddns.net:5552

Mutex

c6dfbab76abb2fb1938d3e35b1bb6f3a

Attributes
  • reg_key

    c6dfbab76abb2fb1938d3e35b1bb6f3a

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6084f38c5469e7c5395cd15ebe7ce32c63be1c37a3df55266f44c07029c42de.exe
    "C:\Users\Admin\AppData\Local\Temp\c6084f38c5469e7c5395cd15ebe7ce32c63be1c37a3df55266f44c07029c42de.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3912
    • C:\Users\Admin\Spoofer.exe
      "C:\Users\Admin\Spoofer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3108
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\Spoofer.exe" "Spoofer.exe" ENABLE
        3⤵
          PID:2876

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Spoofer.exe
      Filesize

      23KB

      MD5

      e3d0d1c17ebe317669282b73a51235b0

      SHA1

      e63afae6b1df2ffe1fac49ac1fffe14c52e10dec

      SHA256

      c6084f38c5469e7c5395cd15ebe7ce32c63be1c37a3df55266f44c07029c42de

      SHA512

      4bdde959b4d82348e4bb610f0e919bba20064fc7348a00c719387f0649596a1615a55ae5037cb0e586b5f9ce1f93454acdcc17554b1ef261aba6a7cacd2a8237

      Download Submit
    • C:\Users\Admin\Spoofer.exe
      Filesize

      23KB

      MD5

      e3d0d1c17ebe317669282b73a51235b0

      SHA1

      e63afae6b1df2ffe1fac49ac1fffe14c52e10dec

      SHA256

      c6084f38c5469e7c5395cd15ebe7ce32c63be1c37a3df55266f44c07029c42de

      SHA512

      4bdde959b4d82348e4bb610f0e919bba20064fc7348a00c719387f0649596a1615a55ae5037cb0e586b5f9ce1f93454acdcc17554b1ef261aba6a7cacd2a8237

      Download Submit
    • memory/2876-135-0x0000000000000000-mapping.dmp
      Download
    • memory/3108-131-0x0000000000000000-mapping.dmp
      Download
    • memory/3108-134-0x00000000748F0000-0x0000000074EA1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/3912-130-0x00000000748F0000-0x0000000074EA1000-memory.dmp
      Filesize

      5.7MB

      Download