Overview

overview

10

Static

static

1

ff4501dcfc...39.exe

windows7-x64

10

ff4501dcfc...39.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ff4501dcfc5f1f6ab5c50195d053191d54290d2efc160def4de7af2b2c1f7039.exe

  • Size

    115KB

  • Sample

    240522-sb3bkafb59

  • MD5

    3e124508b39b68317375be75c14e7ff8

  • SHA1

    b885c4facabfd60e597857f45c97a3a4b47dcc29

  • SHA256

    ff4501dcfc5f1f6ab5c50195d053191d54290d2efc160def4de7af2b2c1f7039

  • SHA512

    81a35f10a3adfa1635c0957c69f9a0e6688e1e818144169696e018a0c0bc62b3196c3e5930216b0fc81cd68b0441261b5cb428054bad8a7b0e2b56a122e06670

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL0:P5eznsjsguGDFqGZ2rDL0

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

      ff4501dcfc5f1f6ab5c50195d053191d54290d2efc160def4de7af2b2c1f7039.exe

    • Size

      115KB

    • MD5

      3e124508b39b68317375be75c14e7ff8

    • SHA1

      b885c4facabfd60e597857f45c97a3a4b47dcc29

    • SHA256

      ff4501dcfc5f1f6ab5c50195d053191d54290d2efc160def4de7af2b2c1f7039

    • SHA512

      81a35f10a3adfa1635c0957c69f9a0e6688e1e818144169696e018a0c0bc62b3196c3e5930216b0fc81cd68b0441261b5cb428054bad8a7b0e2b56a122e06670

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL0:P5eznsjsguGDFqGZ2rDL0

    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