Overview

overview

10

Static

static

10

5bc61eac59...ab.exe

windows7_x64

10

5bc61eac59...ab.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    5bc61eac5924ae54482ad0cf13de3d954c204acf40675b68ec9f34a58987b3ab

  • Size

    37KB

  • Sample

    220521-aa45nahhf2

  • MD5

    94d375e6fd23e82da61417bcdbd3c50a

  • SHA1

    e3395b38c627551f3100e2c42854ee50dfab9af2

  • SHA256

    5bc61eac5924ae54482ad0cf13de3d954c204acf40675b68ec9f34a58987b3ab

  • SHA512

    a4c24474972d0457830266173bdae4cb15a1045997f3f313297899ad568f0e7e16fdd07eb2607f11f041ec751fda97fc9480fa5232e689551c6b1de705afccb1

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

188.163.97.125:21

Mutex

a9e76bee46dc0a4e93b0f47bb4fdbb28

Attributes
  • reg_key

    a9e76bee46dc0a4e93b0f47bb4fdbb28

  • splitter

    |'|'|

Targets

    • Target

      5bc61eac5924ae54482ad0cf13de3d954c204acf40675b68ec9f34a58987b3ab

    • Size

      37KB

    • MD5

      94d375e6fd23e82da61417bcdbd3c50a

    • SHA1

      e3395b38c627551f3100e2c42854ee50dfab9af2

    • SHA256

      5bc61eac5924ae54482ad0cf13de3d954c204acf40675b68ec9f34a58987b3ab

    • SHA512

      a4c24474972d0457830266173bdae4cb15a1045997f3f313297899ad568f0e7e16fdd07eb2607f11f041ec751fda97fc9480fa5232e689551c6b1de705afccb1

    Score
    10/10
    njrathackedevasionpersistencetrojan

    • 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

    • 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

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
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