Overview

overview

10

Static

static

1

b5111f6c9e...a2.exe

windows7-x64

10

b5111f6c9e...a2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2

  • Size

    122KB

  • Sample

    250326-kaqblszvdv

  • MD5

    1ee06211e754214abe9af879e04cde4f

  • SHA1

    473fa0b148d4964e73afeb0fec2997952d5204df

  • SHA256

    b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2

  • SHA512

    71818bd05be08f4af4ad6e81ad8eecd248181f55ebfe2923fd372c073bf1d6acc395dedf5638da4ea36a26f9313c121a152c7afc36a12262f9a1c7013f2f326a

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgHe:P5eznsjsguGDFqGZ2rDL4e

Score
10/10
njratneufdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Targets

    • Target

      b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2

    • Size

      122KB

    • MD5

      1ee06211e754214abe9af879e04cde4f

    • SHA1

      473fa0b148d4964e73afeb0fec2997952d5204df

    • SHA256

      b5111f6c9e024b429fced38c042d06909c67145cba3118905593d24139ce20a2

    • SHA512

      71818bd05be08f4af4ad6e81ad8eecd248181f55ebfe2923fd372c073bf1d6acc395dedf5638da4ea36a26f9313c121a152c7afc36a12262f9a1c7013f2f326a

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgHe:P5eznsjsguGDFqGZ2rDL4e

    Score
    10/10
    njratneufdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      defense_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 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

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks