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Overview

overview

10

Static

static

10

4defc7ee37...35.exe

windows7-x64

10

4defc7ee37...35.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    4defc7ee37774f3ee2c274b04612e18a72feacaae84769d2e09cd0fdf1ef1835

  • Size

    37KB

  • Sample

    240914-zt66ssweqb

  • MD5

    2e43f732f1be7ad977ac109b9df78bf3

  • SHA1

    6a07c50bc71e7cad12c9a250d2f0ae3d09015a03

  • SHA256

    4defc7ee37774f3ee2c274b04612e18a72feacaae84769d2e09cd0fdf1ef1835

  • SHA512

    ca29e9a31d7aadf00bb10a23ffc769769c87979ca1932c9acc387d02206af854ddd095b7e29920d9a4f9cbf9ff854cdc51c507dfe563e6a4dc37b16cbe69934a

  • SSDEEP

    384:IClepaNitlFbOn0aH2ykrqbsXhZSzksIDcrAF+rMRTyN/0L+EcoinblneHQM3epp:BlP+NWtkrqbsRsAsIwrM+rMRa8Nu+Ot

Score
10/10
njrat999discoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

999

C2

91.237.200.79:2102

Mutex

0447d7fcf75bf7b47d73b49e923b52ab

Attributes
  • reg_key

    0447d7fcf75bf7b47d73b49e923b52ab

  • splitter

    |'|'|

Targets

    • Target

      4defc7ee37774f3ee2c274b04612e18a72feacaae84769d2e09cd0fdf1ef1835

    • Size

      37KB

    • MD5

      2e43f732f1be7ad977ac109b9df78bf3

    • SHA1

      6a07c50bc71e7cad12c9a250d2f0ae3d09015a03

    • SHA256

      4defc7ee37774f3ee2c274b04612e18a72feacaae84769d2e09cd0fdf1ef1835

    • SHA512

      ca29e9a31d7aadf00bb10a23ffc769769c87979ca1932c9acc387d02206af854ddd095b7e29920d9a4f9cbf9ff854cdc51c507dfe563e6a4dc37b16cbe69934a

    • SSDEEP

      384:IClepaNitlFbOn0aH2ykrqbsXhZSzksIDcrAF+rMRTyN/0L+EcoinblneHQM3epp:BlP+NWtkrqbsRsAsIwrM+rMRa8Nu+Ot

    Score
    10/10
    njrat999discoveryevasionpersistenceprivilege_escalationtrojan

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

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

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks