Overview

overview

10

Static

static

a1142dd58b...fb.exe

windows7_x64

10

a1142dd58b...fb.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a1142dd58b658687a9dfc83bfb327dfb.exe

  • Size

    85KB

  • Sample

    220121-baytbacfaj

  • MD5

    a1142dd58b658687a9dfc83bfb327dfb

  • SHA1

    cfc125408dd419fb9a9308e80d3c7091780a417e

  • SHA256

    37fa414b1beac72d5693525b934478c64655b122948b0f5ce9a647b4b08a8554

  • SHA512

    7e8b5caf291c35a29d8e03f8a9ec9950ac91fd9e32519961c0dd1564d8233f9abe76af39029d59ad5c5f71dd95c30e8f9fe201e344bd465a4a93eca7c6a3f18c

Score
10/10
njratfffevasionpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

FFF

C2

4.tcp.ngrok.io:10180

Mutex

d6181fde73b7edf87857576171e471b0

Attributes
  • reg_key

    d6181fde73b7edf87857576171e471b0

  • splitter

    |'|'|

Targets

    • Target

      a1142dd58b658687a9dfc83bfb327dfb.exe

    • Size

      85KB

    • MD5

      a1142dd58b658687a9dfc83bfb327dfb

    • SHA1

      cfc125408dd419fb9a9308e80d3c7091780a417e

    • SHA256

      37fa414b1beac72d5693525b934478c64655b122948b0f5ce9a647b4b08a8554

    • SHA512

      7e8b5caf291c35a29d8e03f8a9ec9950ac91fd9e32519961c0dd1564d8233f9abe76af39029d59ad5c5f71dd95c30e8f9fe201e344bd465a4a93eca7c6a3f18c

    Score
    10/10
    njratfffevasionpersistencesuricatatrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

      suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

      suricata

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • 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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks