Overview

overview

10

Static

static

f2ed55cb98...a3.exe

windows7-x64

10

f2ed55cb98...a3.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f2ed55cb985dc9394ae8460794150ddde3c2d1260945db5be187e4c8fd14e5a3

  • Size

    852KB

  • Sample

    221128-wtvwzsaf9v

  • MD5

    9316bd73a66f56b9f4f64e34d0467e8d

  • SHA1

    aeadf91b918546388e1a0995a29d09cf1ae766a7

  • SHA256

    f2ed55cb985dc9394ae8460794150ddde3c2d1260945db5be187e4c8fd14e5a3

  • SHA512

    1eb2535f2c6bf4b71fcd0efa345b9b04b5d77f391762967243282cb4908de4b67a05d8101e07bbc26fe66997169aec3beb0e3133a94e9b65a2e95f8077c4fb7b

  • SSDEEP

    12288:zK2mhAMJ/cPl+tIQYVc5LWAg6rY9geN8h7UZYE82Y5UKUL4n4y3Xp3SbSl8g:22O/Gl+TnJW1h67g6zwm4m53Sb28g

Score
10/10
njratbillyevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

BILLY

C2

yorkiepet.ddns.net:770

Mutex

76a35d262af152d236ee0f24e2916b15

Attributes
  • reg_key

    76a35d262af152d236ee0f24e2916b15

  • splitter

    |'|'|

Targets

    • Target

      f2ed55cb985dc9394ae8460794150ddde3c2d1260945db5be187e4c8fd14e5a3

    • Size

      852KB

    • MD5

      9316bd73a66f56b9f4f64e34d0467e8d

    • SHA1

      aeadf91b918546388e1a0995a29d09cf1ae766a7

    • SHA256

      f2ed55cb985dc9394ae8460794150ddde3c2d1260945db5be187e4c8fd14e5a3

    • SHA512

      1eb2535f2c6bf4b71fcd0efa345b9b04b5d77f391762967243282cb4908de4b67a05d8101e07bbc26fe66997169aec3beb0e3133a94e9b65a2e95f8077c4fb7b

    • SSDEEP

      12288:zK2mhAMJ/cPl+tIQYVc5LWAg6rY9geN8h7UZYE82Y5UKUL4n4y3Xp3SbSl8g:22O/Gl+TnJW1h67g6zwm4m53Sb28g

    Score
    10/10
    njratbillyevasionpersistencetrojan

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks