Overview

overview

10

Static

static

91d83becf5...ac.exe

windows7-x64

10

91d83becf5...ac.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    91d83becf536a7503dd281fbd799fbca4ea957ead28d5b3d6fc94adc30fe97ac

  • Size

    144KB

  • Sample

    221123-qya5gsfb54

  • MD5

    3dcf062bb8a1676412f65399ac258461

  • SHA1

    78a093996ee01a05e01387904a9f32f35510edf2

  • SHA256

    91d83becf536a7503dd281fbd799fbca4ea957ead28d5b3d6fc94adc30fe97ac

  • SHA512

    cf2676b21452f34289b138d8077bb57342b7b10d18fcb1f7d76a293c3a2e6a44f3eacc3fdd91b78afea132064d935ab733b2af480903b6b1a1ca48ce51101f56

  • SSDEEP

    3072:u1a5yo1K4rFnHBXo/f+QqfABAh6S1/Z7iFAtp8VX:e4yOjNpzQAABAh6Srp8

Score
10/10
njratadminevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

admin

C2

nnew748.myvnc.com:1177

Mutex

749e61bd02cc756ea373bd81808cdf08

Attributes
  • reg_key

    749e61bd02cc756ea373bd81808cdf08

  • splitter

    |'|'|

Targets

    • Target

      91d83becf536a7503dd281fbd799fbca4ea957ead28d5b3d6fc94adc30fe97ac

    • Size

      144KB

    • MD5

      3dcf062bb8a1676412f65399ac258461

    • SHA1

      78a093996ee01a05e01387904a9f32f35510edf2

    • SHA256

      91d83becf536a7503dd281fbd799fbca4ea957ead28d5b3d6fc94adc30fe97ac

    • SHA512

      cf2676b21452f34289b138d8077bb57342b7b10d18fcb1f7d76a293c3a2e6a44f3eacc3fdd91b78afea132064d935ab733b2af480903b6b1a1ca48ce51101f56

    • SSDEEP

      3072:u1a5yo1K4rFnHBXo/f+QqfABAh6S1/Z7iFAtp8VX:e4yOjNpzQAABAh6Srp8

    Score
    10/10
    njratadminevasionpersistencetrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks