Overview

overview

10

Static

static

3

b4636e0fc8...19.exe

windows7-x64

10

b4636e0fc8...19.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 09:12

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319.exe

  • Size

    87KB

  • MD5

    847ef522a8d9278ebba5238809ce53e3

  • SHA1

    96a771cbe5274963d0669f75dd84b4b826aef1c3

  • SHA256

    b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319

  • SHA512

    6e3bf3a6fc53e65699a397eb9e0876b1870ab770c5b0cf80b36415f56f38dc868e03e7dfe46cc8fa02f5961675c480ca920f1de85fa4bcc2baf98b3a9452ac1a

  • SSDEEP

    1536:seaV50eGNHNLJBcA/IPNwkReID65wQFq3eN84rW45pFc5gKd:xaV505tVBcsImiATbmj45fi

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.

  • Drops startup file 2 IoCs
  • 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 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319.exe
    "C:\Users\Admin\AppData\Local\Temp\b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Users\Admin\AppData\Local\Temp\Win32.exe
      "C:\Users\Admin\AppData\Local\Temp\Win32.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:4836
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Win32.exe" "Win32.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:116

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

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Win32.exe
    Filesize

    87KB

    MD5

    847ef522a8d9278ebba5238809ce53e3

    SHA1

    96a771cbe5274963d0669f75dd84b4b826aef1c3

    SHA256

    b4636e0fc8735f53b3898701a033eebb987820e8c2597a56b648ea541b9a2319

    SHA512

    6e3bf3a6fc53e65699a397eb9e0876b1870ab770c5b0cf80b36415f56f38dc868e03e7dfe46cc8fa02f5961675c480ca920f1de85fa4bcc2baf98b3a9452ac1a

    Download Submit

  • memory/4264-0-0x0000000074C02000-0x0000000074C03000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4264-1-0x0000000074C00000-0x00000000751B1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4264-2-0x0000000074C00000-0x00000000751B1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4264-12-0x0000000074C00000-0x00000000751B1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4836-13-0x0000000074C00000-0x00000000751B1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4836-14-0x0000000074C00000-0x00000000751B1000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4836-16-0x0000000074C00000-0x00000000751B1000-memory.dmp

    Filesize

    5.7MB

    Download