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Overview

overview

10

Static

static

10

fac004943c...6N.exe

windows7-x64

10

fac004943c...6N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/02/2025, 07:56

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General

  • Target

    fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe

  • Size

    23KB

  • MD5

    19a8710cbb5a9b606617c48c2e528080

  • SHA1

    c2d291b5fa122057a05cb67f76fc93b676615f90

  • SHA256

    fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86

  • SHA512

    c10b64057dc8452605a3f574849b058c775ee28161c1bf902950cfe9d4c7fcb1e67b5d19791b5d4f31a9257b84725f71234a399f5b6214b23745a07b76acfeb8

  • SSDEEP

    384:d/KPBfWhERYoBX16XuIeMHNw6Tg1Y6eeTFmRvR6JZlbw8hqIusZzZN4:u44P1InRpcnuB

Score
10/10
njratcrypter par netrefleactor utubedefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

crypter par netrefleactor utube

C2

riad-imss.ddns.net:5552

Mutex

3292a39595bf286cc7808b134dcfcbdd

Attributes
  • reg_key

    3292a39595bf286cc7808b134dcfcbdd

  • splitter

    |'|'|

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_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 27 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe
    "C:\Users\Admin\AppData\Local\Temp\fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Users\Admin\AppData\Local\Temp\netrefleactor.exe
      "C:\Users\Admin\AppData\Local\Temp\netrefleactor.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:2376
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\netrefleactor.exe" "netrefleactor.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2788

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\netrefleactor.exe
    Filesize

    23KB

    MD5

    19a8710cbb5a9b606617c48c2e528080

    SHA1

    c2d291b5fa122057a05cb67f76fc93b676615f90

    SHA256

    fac004943c463cf3a62bee95962beea85e0c1b9f5e4ca491873c2d5d6f681b86

    SHA512

    c10b64057dc8452605a3f574849b058c775ee28161c1bf902950cfe9d4c7fcb1e67b5d19791b5d4f31a9257b84725f71234a399f5b6214b23745a07b76acfeb8

    Download Submit

  • memory/2376-10-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2376-13-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2544-0-0x0000000074361000-0x0000000074362000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2544-1-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2544-2-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2544-11-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

    Download