Overview

overview

10

Static

static

34ArXmP6.exe

windows7_x64

10

34ArXmP6.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    02-01-2021 03:18

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General

  • Target

    34ArXmP6.exe

  • Size

    23KB

  • MD5

    79f4a193c1a13bcff525744920f0a656

  • SHA1

    c358ef3c3446c5827b19f27d9beaf7b47ea85b3e

  • SHA256

    735aba62493a92f1b5a807a29259f7327977ed35587c477f25024954f347ddb3

  • SHA512

    7b3290692ce03a4050a39cf6ebf840a83f271d3a51b9ee5b56d0a3ee1db021c77cfebd56381db732fc1a979bf6796e621df25daa8b7aff49d9c3cb411c709aff

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

xoruf.ddns.net:5552

Mutex

70d07bb54d53fe450ad16e5aacbe54a8

Attributes
  • reg_key

    70d07bb54d53fe450ad16e5aacbe54a8

  • splitter

    @!#&^%$

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
  • Loads dropped DLL 1 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\34ArXmP6.exe
    "C:\Users\Admin\AppData\Local\Temp\34ArXmP6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1584
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
          PID:1632

    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

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

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

      79f4a193c1a13bcff525744920f0a656

      SHA1

      c358ef3c3446c5827b19f27d9beaf7b47ea85b3e

      SHA256

      735aba62493a92f1b5a807a29259f7327977ed35587c477f25024954f347ddb3

      SHA512

      7b3290692ce03a4050a39cf6ebf840a83f271d3a51b9ee5b56d0a3ee1db021c77cfebd56381db732fc1a979bf6796e621df25daa8b7aff49d9c3cb411c709aff

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      MD5

      79f4a193c1a13bcff525744920f0a656

      SHA1

      c358ef3c3446c5827b19f27d9beaf7b47ea85b3e

      SHA256

      735aba62493a92f1b5a807a29259f7327977ed35587c477f25024954f347ddb3

      SHA512

      7b3290692ce03a4050a39cf6ebf840a83f271d3a51b9ee5b56d0a3ee1db021c77cfebd56381db732fc1a979bf6796e621df25daa8b7aff49d9c3cb411c709aff

      Download Submit
    • \Users\Admin\AppData\Local\Temp\server.exe
      MD5

      79f4a193c1a13bcff525744920f0a656

      SHA1

      c358ef3c3446c5827b19f27d9beaf7b47ea85b3e

      SHA256

      735aba62493a92f1b5a807a29259f7327977ed35587c477f25024954f347ddb3

      SHA512

      7b3290692ce03a4050a39cf6ebf840a83f271d3a51b9ee5b56d0a3ee1db021c77cfebd56381db732fc1a979bf6796e621df25daa8b7aff49d9c3cb411c709aff

      Download Submit
    • memory/1368-3-0x0000000000000000-mapping.dmp
      Download
    • memory/1632-6-0x0000000000000000-mapping.dmp
      Download