Overview

overview

10

Static

static

10

d5a9ac5bb4...fN.exe

windows7-x64

10

d5a9ac5bb4...fN.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 22:22

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General

  • Target

    d5a9ac5bb4ec71dd952250b5421f3bb38e0b94110de36d413a28704b5d3c599fN.exe

  • Size

    31KB

  • MD5

    adaa3ae98fad53f8cfb54266fdc4f710

  • SHA1

    56ec60bc09c0510ec0f5d60aa6d7662a6d273804

  • SHA256

    d5a9ac5bb4ec71dd952250b5421f3bb38e0b94110de36d413a28704b5d3c599f

  • SHA512

    dfb4076abd2de0b1b1fd3408f45505c363fcd3e74ae649778d07b4cdb4f4a687b9bc77177ca0c28b82a67f5ccadbd7237471f4cc96ee5bee5220f98a1a34738c

  • SSDEEP

    768:ilS569DdxkzxP6bYMCG3VQNvqjQmIDUu0tiFBj:Xqq27icQVkOj

Score
10/10
njratexplorerdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

explorer

C2

154.197.69.22:6502

Mutex

032d537ea8a490a45dedf853e1d3dc09

Attributes
  • reg_key

    032d537ea8a490a45dedf853e1d3dc09

  • splitter

    Y262SUCZ4UJJ

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5a9ac5bb4ec71dd952250b5421f3bb38e0b94110de36d413a28704b5d3c599fN.exe
    "C:\Users\Admin\AppData\Local\Temp\d5a9ac5bb4ec71dd952250b5421f3bb38e0b94110de36d413a28704b5d3c599fN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Users\Admin\AppData\Local\Temp\explorer.exe
      "C:\Users\Admin\AppData\Local\Temp\explorer.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1484
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\explorer.exe" "explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\explorer.exe
    Filesize

    31KB

    MD5

    adaa3ae98fad53f8cfb54266fdc4f710

    SHA1

    56ec60bc09c0510ec0f5d60aa6d7662a6d273804

    SHA256

    d5a9ac5bb4ec71dd952250b5421f3bb38e0b94110de36d413a28704b5d3c599f

    SHA512

    dfb4076abd2de0b1b1fd3408f45505c363fcd3e74ae649778d07b4cdb4f4a687b9bc77177ca0c28b82a67f5ccadbd7237471f4cc96ee5bee5220f98a1a34738c

    Download Submit

  • memory/1484-10-0x0000000074090000-0x000000007463B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1484-11-0x0000000074090000-0x000000007463B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1484-15-0x0000000074090000-0x000000007463B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2556-0-0x0000000074091000-0x0000000074092000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2556-1-0x0000000074090000-0x000000007463B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2556-2-0x0000000074090000-0x000000007463B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2556-12-0x0000000074090000-0x000000007463B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2556-13-0x0000000074090000-0x000000007463B000-memory.dmp

    Filesize

    5.7MB

    Download