Overview

overview

10

Static

static

10

5556.rar.exe

windows7-x64

10

5556.rar.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5556.rar.exe

  • Size

    23KB

  • Sample

    241216-g4btjaxrc1

  • MD5

    475813f4cabffe076aefbd618a982512

  • SHA1

    e2febca085bd5f5ac9aa2313bab17b4565a4024b

  • SHA256

    ef5c02c221b5cb992728758e29195115a8f5481cf9ca5072a0616f95d00a362c

  • SHA512

    5b253580f9147ca689c076b8f044e26ae37d5a2575c3fd02ec8e67c12cd273ebcc2c31c5631608340ae2d78f1dbe17f128909d4354118b4ef74ba27660c9ca76

  • SSDEEP

    384:hFHuitNFzA0yUVky2n0Yxga06agwXh/+f1mRvR6JZlbw8hqIusZzZZa:a6F2RNnB+Rpcnuj

Score
10/10
njratdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

C2

188.212.158.75:5556

Mutex

e67ceec44f16fc357df593d15ca3e96b

Attributes
  • reg_key

    e67ceec44f16fc357df593d15ca3e96b

  • splitter

    |'|'|

Targets

    • Target

      5556.rar.exe

    • Size

      23KB

    • MD5

      475813f4cabffe076aefbd618a982512

    • SHA1

      e2febca085bd5f5ac9aa2313bab17b4565a4024b

    • SHA256

      ef5c02c221b5cb992728758e29195115a8f5481cf9ca5072a0616f95d00a362c

    • SHA512

      5b253580f9147ca689c076b8f044e26ae37d5a2575c3fd02ec8e67c12cd273ebcc2c31c5631608340ae2d78f1dbe17f128909d4354118b4ef74ba27660c9ca76

    • SSDEEP

      384:hFHuitNFzA0yUVky2n0Yxga06agwXh/+f1mRvR6JZlbw8hqIusZzZZa:a6F2RNnB+Rpcnuj

    Score
    10/10
    njratdiscoveryevasionpersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • 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
    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

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

Collection

Command and Control

Exfiltration

Impact

Tasks