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Overview

overview

10

Static

static

10

6746ac8ca9...6N.exe

windows7-x64

10

6746ac8ca9...6N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/11/2024, 22:08

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General

  • Target

    6746ac8ca9e6cc7a24912bc6f0e2b12461410a68f67a93be7b86701f0d132876N.exe

  • Size

    23KB

  • MD5

    fcd6af9d5fdd9b8e9689eb3c05196ac0

  • SHA1

    c14707db331ad65a2d83858722c1df00573e0be7

  • SHA256

    6746ac8ca9e6cc7a24912bc6f0e2b12461410a68f67a93be7b86701f0d132876

  • SHA512

    3663602d0c8ab435ba18bfaf1b59be92a4aa65efe9cbcf1b03d47367d1bcb3e2639cf1c991dffbd7e67a63dac0e9669f2b69fa189343ba081f7cadbf0c045292

  • SSDEEP

    384:joWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZII:c7O89p2rRpcnu+

Score
10/10
njratdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 27 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6746ac8ca9e6cc7a24912bc6f0e2b12461410a68f67a93be7b86701f0d132876N.exe
    "C:\Users\Admin\AppData\Local\Temp\6746ac8ca9e6cc7a24912bc6f0e2b12461410a68f67a93be7b86701f0d132876N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3888

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

Query Registry

1
T1012

System Information Discovery

2
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

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

    23KB

    MD5

    fcd6af9d5fdd9b8e9689eb3c05196ac0

    SHA1

    c14707db331ad65a2d83858722c1df00573e0be7

    SHA256

    6746ac8ca9e6cc7a24912bc6f0e2b12461410a68f67a93be7b86701f0d132876

    SHA512

    3663602d0c8ab435ba18bfaf1b59be92a4aa65efe9cbcf1b03d47367d1bcb3e2639cf1c991dffbd7e67a63dac0e9669f2b69fa189343ba081f7cadbf0c045292

    Download Submit

  • memory/4048-0-0x0000000074D42000-0x0000000074D43000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4048-1-0x0000000074D40000-0x00000000752F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4048-2-0x0000000074D40000-0x00000000752F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4048-12-0x0000000074D40000-0x00000000752F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4072-13-0x0000000074D40000-0x00000000752F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4072-14-0x0000000074D40000-0x00000000752F1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4072-15-0x0000000074D40000-0x00000000752F1000-memory.dmp

    Filesize

    5.7MB

    Download