Overview

overview

10

Static

static

3

31f61628f0...d2.exe

windows7-x64

10

31f61628f0...d2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    31f61628f0dbaf14ddacb7d271a91b281038d3c6120c7ee082cc00c30112f1d2.exe

  • Size

    106KB

  • Sample

    240415-bfxs7sdb3z

  • MD5

    ed1ea689d80a7fab60271d8d24267a5b

  • SHA1

    cbc58903e5ef9a21f32bd86c158039eead84c2e3

  • SHA256

    31f61628f0dbaf14ddacb7d271a91b281038d3c6120c7ee082cc00c30112f1d2

  • SHA512

    1ae6c5549c567994c14301f5808bb835084344574b604dbd6b8e0efc208a7b3b96da55030d9e2f406cabb8e0b486f46e87c670d36308006a0a5142e98f9134ec

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoe:w5eznsjsguGDFqGx8egoe

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

      31f61628f0dbaf14ddacb7d271a91b281038d3c6120c7ee082cc00c30112f1d2.exe

    • Size

      106KB

    • MD5

      ed1ea689d80a7fab60271d8d24267a5b

    • SHA1

      cbc58903e5ef9a21f32bd86c158039eead84c2e3

    • SHA256

      31f61628f0dbaf14ddacb7d271a91b281038d3c6120c7ee082cc00c30112f1d2

    • SHA512

      1ae6c5549c567994c14301f5808bb835084344574b604dbd6b8e0efc208a7b3b96da55030d9e2f406cabb8e0b486f46e87c670d36308006a0a5142e98f9134ec

    • SSDEEP

      1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoe:w5eznsjsguGDFqGx8egoe

    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