Overview

overview

10

Static

static

10

b05ad7a7bd...8f.exe

windows7_x64

10

b05ad7a7bd...8f.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    24-05-2022 15:30

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General

  • Target

    b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe

  • Size

    31KB

  • MD5

    1ff8cbbd10873bd03aa7a2a8972536de

  • SHA1

    64bb92321f86dae87d5cd4a3deb667a0eb5b5bdd

  • SHA256

    b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f

  • SHA512

    04226169bd38741c440a4956b2d3c740da06811d5aada571defec3c0cbed759ef78fce394506eaeb523014cf6ddc1672a943ee72f6c988de9c4556d30e7c373b

Score
10/10
njrathackerevasiontrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

hacker

C2

gugu.zapto.org:6522

Mutex

673a2b1b4c3514163eac4c9951b69533

Attributes
  • reg_key

    673a2b1b4c3514163eac4c9951b69533

  • splitter

    Y262SUCZ4UJJ

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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe
    "C:\Users\Admin\AppData\Local\Temp\b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2412
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
          PID:1504
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
      1⤵
        PID:2404

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Modify Existing Service

      1
      T1031

      Privilege Escalation

      Defense Evasion

      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\AppData\Local\Temp\WindowsServices.exe
        Filesize

        31KB

        MD5

        1ff8cbbd10873bd03aa7a2a8972536de

        SHA1

        64bb92321f86dae87d5cd4a3deb667a0eb5b5bdd

        SHA256

        b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f

        SHA512

        04226169bd38741c440a4956b2d3c740da06811d5aada571defec3c0cbed759ef78fce394506eaeb523014cf6ddc1672a943ee72f6c988de9c4556d30e7c373b

        Download Submit
      • C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
        Filesize

        31KB

        MD5

        1ff8cbbd10873bd03aa7a2a8972536de

        SHA1

        64bb92321f86dae87d5cd4a3deb667a0eb5b5bdd

        SHA256

        b05ad7a7bdeb9f4217dcf68f73817db032d55b9884f2ba69f40967af0abe218f

        SHA512

        04226169bd38741c440a4956b2d3c740da06811d5aada571defec3c0cbed759ef78fce394506eaeb523014cf6ddc1672a943ee72f6c988de9c4556d30e7c373b

        Download Submit
      • memory/1504-135-0x0000000000000000-mapping.dmp
        Download
      • memory/2412-131-0x0000000000000000-mapping.dmp
        Download
      • memory/2412-134-0x00000000749A0000-0x0000000074F51000-memory.dmp
        Filesize

        5.7MB

        Download
      • memory/3000-130-0x00000000749A0000-0x0000000074F51000-memory.dmp
        Filesize

        5.7MB

        Download