Overview

overview

10

Static

static

1

f9a8439b27...78.exe

windows7-x64

10

f9a8439b27...78.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f9a8439b27e33b82578b1bac2e1abef4e8bf15cbef1bb935b242bbdda0535478.exe

  • Size

    115KB

  • Sample

    240617-bt6m9sscjr

  • MD5

    2e7d6d1f1f1ec616eb608d1e9dc47a56

  • SHA1

    da0a7fe8f90d5548d4e5dca8198c1298e81c2578

  • SHA256

    f9a8439b27e33b82578b1bac2e1abef4e8bf15cbef1bb935b242bbdda0535478

  • SHA512

    d13d29dd5474f3b35a9bfcb3f192d8428244cc13a49877332bce14ea5e57111eb523c1d70e1bc195bb27af6a18b976ede678aed968b9a0e6650da5a896750a27

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMK:P5eznsjsguGDFqGZ2rK

Score
10/10
njratneufevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Targets

    • Target

      f9a8439b27e33b82578b1bac2e1abef4e8bf15cbef1bb935b242bbdda0535478.exe

    • Size

      115KB

    • MD5

      2e7d6d1f1f1ec616eb608d1e9dc47a56

    • SHA1

      da0a7fe8f90d5548d4e5dca8198c1298e81c2578

    • SHA256

      f9a8439b27e33b82578b1bac2e1abef4e8bf15cbef1bb935b242bbdda0535478

    • SHA512

      d13d29dd5474f3b35a9bfcb3f192d8428244cc13a49877332bce14ea5e57111eb523c1d70e1bc195bb27af6a18b976ede678aed968b9a0e6650da5a896750a27

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMK:P5eznsjsguGDFqGZ2rK

    Score
    10/10
    njratneufevasionpersistencetrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks