Overview

overview

10

Static

static

3

e77534b8ba...aN.exe

windows7-x64

10

e77534b8ba...aN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e77534b8bacdecc0e48f0a2c2e69005ab7570b8c5d9577616411d16109dfe2caN.exe

  • Size

    300KB

  • Sample

    241203-zv6xestphs

  • MD5

    b528fbd25da9e687c4ab9bb2e92699f0

  • SHA1

    1966bdb4c62f5cedd7fef4e8407c509976c229e0

  • SHA256

    e77534b8bacdecc0e48f0a2c2e69005ab7570b8c5d9577616411d16109dfe2ca

  • SHA512

    ba097e1fe3ca19322a099d61b506958f743184f274d187017a4d00a24b94e0d4d41de09ef108976db1fda84f55a36f78f82d535ced710d84f7974272fdf4083e

  • SSDEEP

    1536:vDvE9TzQlzEyQ3FKeh+cMGgdP2WW5MeGD7BKb7+it2SDS29xlqU3:vDvYgcscId+WWH2cDS29xlqU3

Score
10/10
njratnanodiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

nano

C2

haraga.no-ip.org:5552

Mutex

9685b74638ccc581030bfdb825e77a1e

Attributes
  • reg_key

    9685b74638ccc581030bfdb825e77a1e

  • splitter

    |'|'|

Targets

    • Target

      e77534b8bacdecc0e48f0a2c2e69005ab7570b8c5d9577616411d16109dfe2caN.exe

    • Size

      300KB

    • MD5

      b528fbd25da9e687c4ab9bb2e92699f0

    • SHA1

      1966bdb4c62f5cedd7fef4e8407c509976c229e0

    • SHA256

      e77534b8bacdecc0e48f0a2c2e69005ab7570b8c5d9577616411d16109dfe2ca

    • SHA512

      ba097e1fe3ca19322a099d61b506958f743184f274d187017a4d00a24b94e0d4d41de09ef108976db1fda84f55a36f78f82d535ced710d84f7974272fdf4083e

    • SSDEEP

      1536:vDvE9TzQlzEyQ3FKeh+cMGgdP2WW5MeGD7BKb7+it2SDS29xlqU3:vDvYgcscId+WWH2cDS29xlqU3

    Score
    10/10
    njratnanodiscoveryevasionpersistenceprivilege_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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Suspicious use of SetThreadContext

    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