Overview

overview

10

Static

static

1

1135f4d76c...20.exe

windows10-1703-x64

10

1135f4d76c...20.exe

windows10-2004-x64

10

1135f4d76c...20.exe

windows11-21h2-x64

10

Resubmissions

19-06-2024 15:38

240619-s22gysxekr 10

19-06-2024 15:35

240619-s1j7aasgke 10

19-06-2024 15:25

240619-stqqgsxdkr 10

19-06-2024 15:20

240619-sq6brsseqc 10

19-06-2024 15:05

240619-sf5x9asdqd 10

Sharing

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General

  • Target

    1135f4d76cb6ca7605d54bd690b378bd769acdd28172fe55117f53de8f3c7520.exe

  • Size

    116KB

  • Sample

    240619-stqqgsxdkr

  • MD5

    7f656e8ebae879bd32a0275a706a3efc

  • SHA1

    ecb5410c76031ba293f8db75c7e058c3cbb1eb79

  • SHA256

    1135f4d76cb6ca7605d54bd690b378bd769acdd28172fe55117f53de8f3c7520

  • SHA512

    f3c6e042dc0306af6f1051c63392b855b36b452861a1ed0c10e19926685aab168c7359a58739c6228b7c1fcdcc40b562d1c43d4a32eef0f1831c0e188276b794

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL6:P5eznsjsguGDFqGZ2rDL6

Score
10/10
njratneufbootkitevasionpersistenceprivilege_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

      1135f4d76cb6ca7605d54bd690b378bd769acdd28172fe55117f53de8f3c7520.exe

    • Size

      116KB

    • MD5

      7f656e8ebae879bd32a0275a706a3efc

    • SHA1

      ecb5410c76031ba293f8db75c7e058c3cbb1eb79

    • SHA256

      1135f4d76cb6ca7605d54bd690b378bd769acdd28172fe55117f53de8f3c7520

    • SHA512

      f3c6e042dc0306af6f1051c63392b855b36b452861a1ed0c10e19926685aab168c7359a58739c6228b7c1fcdcc40b562d1c43d4a32eef0f1831c0e188276b794

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL6:P5eznsjsguGDFqGZ2rDL6

    Score
    10/10
    njratneufbootkitevasionpersistenceprivilege_escalationtrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2behavioral3

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

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

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

2
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks