Overview

overview

10

Static

static

10

4ed234eefd...e9.exe

windows7_x64

10

4ed234eefd...e9.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    214s
  • max time network
    234s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:44

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    4ed234eefd1e69a914451a569475764b47e7faac34a1c374e9697cf6bb2c4de9.exe

  • Size

    32KB

  • MD5

    a366a3b32e65335cf0f7a58e98ae18b2

  • SHA1

    9a8a0ede01c7908e260e384fd41521b287e2971b

  • SHA256

    4ed234eefd1e69a914451a569475764b47e7faac34a1c374e9697cf6bb2c4de9

  • SHA512

    2e88d9758316cea99159b5adb1386921d034c254db86f101538a8ef3c82ec9047db62a437b63cead10f23686308757edfd730a6e2bc82434b4e5d80d67b43916

Score
10/10
njrathacked by hidden personevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Botnet

Hacked By HiDDen PerSOn

Mutex

138ffe906538d3e8fcc1b519e602532c

Attributes
  • reg_key

    138ffe906538d3e8fcc1b519e602532c

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 33 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ed234eefd1e69a914451a569475764b47e7faac34a1c374e9697cf6bb2c4de9.exe
    "C:\Users\Admin\AppData\Local\Temp\4ed234eefd1e69a914451a569475764b47e7faac34a1c374e9697cf6bb2c4de9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Local\Temp\System32.exe
      "C:\Users\Admin\AppData\Local\Temp\System32.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4780
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System32.exe" "System32.exe" ENABLE
        3⤵
          PID:2704

    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

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\System32.exe
      Filesize

      32KB

      MD5

      a366a3b32e65335cf0f7a58e98ae18b2

      SHA1

      9a8a0ede01c7908e260e384fd41521b287e2971b

      SHA256

      4ed234eefd1e69a914451a569475764b47e7faac34a1c374e9697cf6bb2c4de9

      SHA512

      2e88d9758316cea99159b5adb1386921d034c254db86f101538a8ef3c82ec9047db62a437b63cead10f23686308757edfd730a6e2bc82434b4e5d80d67b43916

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\System32.exe
      Filesize

      32KB

      MD5

      a366a3b32e65335cf0f7a58e98ae18b2

      SHA1

      9a8a0ede01c7908e260e384fd41521b287e2971b

      SHA256

      4ed234eefd1e69a914451a569475764b47e7faac34a1c374e9697cf6bb2c4de9

      SHA512

      2e88d9758316cea99159b5adb1386921d034c254db86f101538a8ef3c82ec9047db62a437b63cead10f23686308757edfd730a6e2bc82434b4e5d80d67b43916

      Download Submit
    • memory/2704-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4616-130-0x0000000075400000-0x00000000759B1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/4780-131-0x0000000000000000-mapping.dmp
      Download
    • memory/4780-134-0x0000000075400000-0x00000000759B1000-memory.dmp
      Filesize

      5.7MB

      Download