General

  • Target

    bfd9f1d986d76e8780347ba542921c40f4e986cda51256fa68007b3bfa218499.exe

  • Size

    114KB

  • Sample

    240610-s36s3ascrj

  • MD5

    1d265119c8783dd59b42fdeabd9f73d2

  • SHA1

    e13267c9a7f47ff93775b32df484bea949985f62

  • SHA256

    bfd9f1d986d76e8780347ba542921c40f4e986cda51256fa68007b3bfa218499

  • SHA512

    379c98245a4f6b2dd971e205f49db8f76db53bdfa2a566cc16b5ebb24212adff2f61ec6a0ad236e35036bb77aa49ee34927947283b4d881b2ffd6580d9cb7e15

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDZ:P5eznsjsguGDFqGZ2rDZ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Targets

    • Target

      bfd9f1d986d76e8780347ba542921c40f4e986cda51256fa68007b3bfa218499.exe

    • Size

      114KB

    • MD5

      1d265119c8783dd59b42fdeabd9f73d2

    • SHA1

      e13267c9a7f47ff93775b32df484bea949985f62

    • SHA256

      bfd9f1d986d76e8780347ba542921c40f4e986cda51256fa68007b3bfa218499

    • SHA512

      379c98245a4f6b2dd971e205f49db8f76db53bdfa2a566cc16b5ebb24212adff2f61ec6a0ad236e35036bb77aa49ee34927947283b4d881b2ffd6580d9cb7e15

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDZ:P5eznsjsguGDFqGZ2rDZ

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Firewall

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks