Overview

overview

10

Static

static

1

4e81a2e709...35.exe

windows7-x64

10

4e81a2e709...35.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4e81a2e709e7c6a203b4d2358aea60cf24d7549384fac382e470dad58b413935.exe

  • Size

    115KB

  • Sample

    240522-2ltlvabf8s

  • MD5

    00a5f7dbedace3b592f49316a42121c0

  • SHA1

    4385e802971b1ef5df4a02bfa54199b8010b4924

  • SHA256

    4e81a2e709e7c6a203b4d2358aea60cf24d7549384fac382e470dad58b413935

  • SHA512

    1037a8e2cb51c6e5539d20e80566b2dcde81674acfce01e380e3e10fb55054c957c4347496c3bbb67ab3eb338d98bda21f9520fee6789079c2b4f64cbe6491de

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIF:P5eznsjsguGDFqGZ2rDIF

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

      4e81a2e709e7c6a203b4d2358aea60cf24d7549384fac382e470dad58b413935.exe

    • Size

      115KB

    • MD5

      00a5f7dbedace3b592f49316a42121c0

    • SHA1

      4385e802971b1ef5df4a02bfa54199b8010b4924

    • SHA256

      4e81a2e709e7c6a203b4d2358aea60cf24d7549384fac382e470dad58b413935

    • SHA512

      1037a8e2cb51c6e5539d20e80566b2dcde81674acfce01e380e3e10fb55054c957c4347496c3bbb67ab3eb338d98bda21f9520fee6789079c2b4f64cbe6491de

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIF:P5eznsjsguGDFqGZ2rDIF

    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