Overview

overview

10

Static

static

3

91f915d7b7...53.exe

windows7-x64

10

91f915d7b7...53.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    91f915d7b7de6d838a41c4aa75443b6fc503639960b9cd41b7a0a6d071830853.exe

  • Size

    117KB

  • Sample

    241123-dp33pasreq

  • MD5

    ad287daf81b42f5d4b31fe887d8e3df6

  • SHA1

    294f012ba425ac0261fa9479b40dbd7ecd144724

  • SHA256

    91f915d7b7de6d838a41c4aa75443b6fc503639960b9cd41b7a0a6d071830853

  • SHA512

    262e84e86f8e822df1100c7a09e23b0ba5a72e94c47b9f251cdef80529c5c57ea64d9e3d4cbdc270901369ba3ac7bd6f2dd2042c4cdfafc5c967d8dc6c4fde26

  • SSDEEP

    3072:7E8AHzBgZC5gRFYU2zmMcVinx7754KmUa6Qo:uyggR+U2HoiV14KmUF

Score
10/10
njratmxdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

mx

C2

209.200.39.186:1172

Mutex

7c5ab2d4b3ee0e1b3e9cf876e75dff1f

Attributes
  • reg_key

    7c5ab2d4b3ee0e1b3e9cf876e75dff1f

  • splitter

    |'|'|

Targets

    • Target

      91f915d7b7de6d838a41c4aa75443b6fc503639960b9cd41b7a0a6d071830853.exe

    • Size

      117KB

    • MD5

      ad287daf81b42f5d4b31fe887d8e3df6

    • SHA1

      294f012ba425ac0261fa9479b40dbd7ecd144724

    • SHA256

      91f915d7b7de6d838a41c4aa75443b6fc503639960b9cd41b7a0a6d071830853

    • SHA512

      262e84e86f8e822df1100c7a09e23b0ba5a72e94c47b9f251cdef80529c5c57ea64d9e3d4cbdc270901369ba3ac7bd6f2dd2042c4cdfafc5c967d8dc6c4fde26

    • SSDEEP

      3072:7E8AHzBgZC5gRFYU2zmMcVinx7754KmUa6Qo:uyggR+U2HoiV14KmUF

    Score
    10/10
    njratmxdiscoveryevasionpersistenceprivilege_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

    • Suspicious use of SetThreadContext

    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