Overview

overview

10

Static

static

10

be243a3f9c...f5.exe

windows7_x64

10

be243a3f9c...f5.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    02-05-2022 04:16

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    be243a3f9c118c77dbdb373bfa5809f5.exe

  • Size

    37KB

  • MD5

    be243a3f9c118c77dbdb373bfa5809f5

  • SHA1

    54c53b57cd00ac404115724aac87fa96a5fabd9b

  • SHA256

    52854e4eb48a7fc9abdf0302209e474b152baa80ce0069ebfc82666e9f7847e1

  • SHA512

    d10b0e2bd5eee9ce11c8db8cfdc2cc9d2fd72ca4ad5408c41f4503a83daa66e1adc6587fb1645b9b87302dbcd4d4ff777e55158aa647756c49e2723822c4ea0c

Score
10/10
njratloxevasionpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

lox

C2

185.105.116.170:5552

Mutex

7c833acad9ebf22ebc060ad9c6d0f1a2

Attributes
  • reg_key

    7c833acad9ebf22ebc060ad9c6d0f1a2

  • splitter

    |'|'|

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
  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be243a3f9c118c77dbdb373bfa5809f5.exe
    "C:\Users\Admin\AppData\Local\Temp\be243a3f9c118c77dbdb373bfa5809f5.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:324
    • C:\Users\Admin\AppData\Local\Temp\malwarebytesnevirus100.exe
      "C:\Users\Admin\AppData\Local\Temp\malwarebytesnevirus100.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:968
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\malwarebytesnevirus100.exe" "malwarebytesnevirus100.exe" ENABLE
        3⤵
          PID:1984

    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

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\malwarebytesnevirus100.exe
      Filesize

      37KB

      MD5

      be243a3f9c118c77dbdb373bfa5809f5

      SHA1

      54c53b57cd00ac404115724aac87fa96a5fabd9b

      SHA256

      52854e4eb48a7fc9abdf0302209e474b152baa80ce0069ebfc82666e9f7847e1

      SHA512

      d10b0e2bd5eee9ce11c8db8cfdc2cc9d2fd72ca4ad5408c41f4503a83daa66e1adc6587fb1645b9b87302dbcd4d4ff777e55158aa647756c49e2723822c4ea0c

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\malwarebytesnevirus100.exe
      Filesize

      37KB

      MD5

      be243a3f9c118c77dbdb373bfa5809f5

      SHA1

      54c53b57cd00ac404115724aac87fa96a5fabd9b

      SHA256

      52854e4eb48a7fc9abdf0302209e474b152baa80ce0069ebfc82666e9f7847e1

      SHA512

      d10b0e2bd5eee9ce11c8db8cfdc2cc9d2fd72ca4ad5408c41f4503a83daa66e1adc6587fb1645b9b87302dbcd4d4ff777e55158aa647756c49e2723822c4ea0c

      Download Submit
    • \Users\Admin\AppData\Local\Temp\malwarebytesnevirus100.exe
      Filesize

      37KB

      MD5

      be243a3f9c118c77dbdb373bfa5809f5

      SHA1

      54c53b57cd00ac404115724aac87fa96a5fabd9b

      SHA256

      52854e4eb48a7fc9abdf0302209e474b152baa80ce0069ebfc82666e9f7847e1

      SHA512

      d10b0e2bd5eee9ce11c8db8cfdc2cc9d2fd72ca4ad5408c41f4503a83daa66e1adc6587fb1645b9b87302dbcd4d4ff777e55158aa647756c49e2723822c4ea0c

      Download Submit
    • memory/324-54-0x0000000075E51000-0x0000000075E53000-memory.dmp
      Filesize

      8KB

      Download
    • memory/324-55-0x0000000074590000-0x0000000074B3B000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/968-57-0x0000000000000000-mapping.dmp
      Download
    • memory/968-61-0x0000000074590000-0x0000000074B3B000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/1984-62-0x0000000000000000-mapping.dmp
      Download