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Overview

overview

10

Static

static

10

dcf024f335...fN.exe

windows7-x64

10

dcf024f335...fN.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 02:33

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General

  • Target

    dcf024f3359c3a752e582c5a6a2efdb0748aa87f8ef168f623f4140b184d320fN.exe

  • Size

    31KB

  • MD5

    d1fff5d5b5661647fd95a87e497fbd10

  • SHA1

    68563815edb3943b69e446dc0643cc39059819b5

  • SHA256

    dcf024f3359c3a752e582c5a6a2efdb0748aa87f8ef168f623f4140b184d320f

  • SHA512

    c9d8bb48d934fcbe8a3e95e9e02e188f0c372e549816297b86d3f05d284c2dc443bded37fb5176fc585f5e42ffb56475737d6a961f59d7646ac16e98ca4bd63c

  • SSDEEP

    768:zDMXZwpJbb2zxxO5oaqHhisfvagQmIDUu0tiicj:UkKZisrQVkaj

Score
10/10
njratmybotdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

192.168.199.2:6522

Mutex

266d34e804b5bdc8c81bfaefe4d0b785

Attributes
  • reg_key

    266d34e804b5bdc8c81bfaefe4d0b785

  • splitter

    Y262SUCZ4UJJ

Signatures

  • Njrat family
    njrat
  • 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 27 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcf024f3359c3a752e582c5a6a2efdb0748aa87f8ef168f623f4140b184d320fN.exe
    "C:\Users\Admin\AppData\Local\Temp\dcf024f3359c3a752e582c5a6a2efdb0748aa87f8ef168f623f4140b184d320fN.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsServices.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:2328
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2852

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\WindowsServices.exe
    Filesize

    31KB

    MD5

    d1fff5d5b5661647fd95a87e497fbd10

    SHA1

    68563815edb3943b69e446dc0643cc39059819b5

    SHA256

    dcf024f3359c3a752e582c5a6a2efdb0748aa87f8ef168f623f4140b184d320f

    SHA512

    c9d8bb48d934fcbe8a3e95e9e02e188f0c372e549816297b86d3f05d284c2dc443bded37fb5176fc585f5e42ffb56475737d6a961f59d7646ac16e98ca4bd63c

    Download Submit

  • memory/2012-0-0x00000000748C1000-0x00000000748C2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2012-1-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2012-2-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2012-10-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2328-11-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2328-12-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2328-14-0x00000000748C0000-0x0000000074E6B000-memory.dmp

    Filesize

    5.7MB

    Download