Overview

overview

10

Static

static

5

b5e1be77b9...4c.exe

windows7-x64

10

b5e1be77b9...4c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b5e1be77b9170945e5281f262cd2b9ab72043a4295b5606eb43eb8362f8cc34c

  • Size

    876KB

  • Sample

    240524-cncnnshg56

  • MD5

    53d77338b57f7f73ede130799c828c78

  • SHA1

    fde1433b3e1d764c4418e028c37fd75be95f7908

  • SHA256

    b5e1be77b9170945e5281f262cd2b9ab72043a4295b5606eb43eb8362f8cc34c

  • SHA512

    f1c315c410581172dd6c52564f172c45203cde2c5e18f7287065fa4023f444b0399f23a1cb6d0ea1ffa861739ae0cdac6ee46b3500a1639298b5fa80b56970b3

  • SSDEEP

    24576:R4lavt0LkLL9IMixoEgeaoyXPwq9MmCS:gkwkn9IMHeaolaPCS

Score
10/10
njratpaevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

PA

C2

127.0.0.1:5552

Mutex

e229ec82a5ec02373072d0375052096f

Attributes
  • reg_key

    e229ec82a5ec02373072d0375052096f

  • splitter

    |'|'|

Targets

    • Target

      b5e1be77b9170945e5281f262cd2b9ab72043a4295b5606eb43eb8362f8cc34c

    • Size

      876KB

    • MD5

      53d77338b57f7f73ede130799c828c78

    • SHA1

      fde1433b3e1d764c4418e028c37fd75be95f7908

    • SHA256

      b5e1be77b9170945e5281f262cd2b9ab72043a4295b5606eb43eb8362f8cc34c

    • SHA512

      f1c315c410581172dd6c52564f172c45203cde2c5e18f7287065fa4023f444b0399f23a1cb6d0ea1ffa861739ae0cdac6ee46b3500a1639298b5fa80b56970b3

    • SSDEEP

      24576:R4lavt0LkLL9IMixoEgeaoyXPwq9MmCS:gkwkn9IMHeaolaPCS

    Score
    10/10
    njratpaevasionpersistencetrojan

    • UAC bypass

      evasiontrojan

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

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

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks