Overview

overview

10

Static

static

10

2ba21ca24a...1a.exe

windows7-x64

10

2ba21ca24a...1a.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29/08/2024, 20:26

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General

  • Target

    2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe

  • Size

    23KB

  • MD5

    18562deb52f68e41a21a63f9f31ed942

  • SHA1

    35a08b1b59e5ff54d6195bc6a13a55745ceac3b5

  • SHA256

    2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a

  • SHA512

    cf8a58cc3cf7d228bef04831b2b0293f2f12ddac2f1524b79849b2b6bd02a8ea6a9ef6f7cc2e23d4d4581036e2a46dc06afc79454741597e5135d74ae1d84368

  • SSDEEP

    384:w8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZxD:/Xcwt3tRpcnum

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.126.128:5552

Mutex

7ac3eec773987ee3090bbd41c1e81fe5

Attributes
  • reg_key

    7ac3eec773987ee3090bbd41c1e81fe5

  • splitter

    |'|'|

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\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe
    "C:\Users\Admin\AppData\Local\Temp\2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.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:1932
      • 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:2612

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\server.exe
    Filesize

    23KB

    MD5

    18562deb52f68e41a21a63f9f31ed942

    SHA1

    35a08b1b59e5ff54d6195bc6a13a55745ceac3b5

    SHA256

    2ba21ca24a909b87fa0b0ec5c7cf0c0fa10ee27a7831ebd3c6ae59c5f7827b1a

    SHA512

    cf8a58cc3cf7d228bef04831b2b0293f2f12ddac2f1524b79849b2b6bd02a8ea6a9ef6f7cc2e23d4d4581036e2a46dc06afc79454741597e5135d74ae1d84368

    Download Submit

  • memory/1932-10-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1932-11-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1932-15-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2928-0-0x0000000074B21000-0x0000000074B22000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2928-1-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2928-2-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2928-12-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2928-13-0x0000000074B20000-0x00000000750CB000-memory.dmp

    Filesize

    5.7MB

    Download