Overview

overview

10

Static

static

10

kostyapvealt.exe

windows7-x64

8

kostyapvealt.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    kostyapvealt.exe

  • Size

    37KB

  • Sample

    241016-vl1xla1cmb

  • MD5

    64e78b2e941c1b43d37ef11f3b32e1bb

  • SHA1

    33dedf85c8752624c62ca72850bd371ef9c51ae3

  • SHA256

    3ecfaa681e3e1273c4ffadc28187573a6f32d7c69694b90fa87c98dc71e5dc39

  • SHA512

    a52a0088ff2f1e9f9eba7299e29c7ee4db1288f7bf8d6db78a560de0e199f64708edeee03d5f305bb046c025355da779887a766fba6c85beaa90ee368db1f5bc

  • SSDEEP

    384:5QNcoixJ/l7OHg1WykrHD3HC8GYPdArAF+rMRTyN/0L+EcoinblneHQM3epzXHVE:SN+R1NkrHDSNYVArM+rMRa8NulVst

Score
10/10
njrathckdiscoveryevasionpersistenceprivilege_escalation

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HCK

C2

4.tcp.eu.ngrok.io:18495

Mutex

1126d5bd446b30f6a40a8f76e33de5d2

Attributes
  • reg_key

    1126d5bd446b30f6a40a8f76e33de5d2

  • splitter

    |'|'|

Targets

    • Target

      kostyapvealt.exe

    • Size

      37KB

    • MD5

      64e78b2e941c1b43d37ef11f3b32e1bb

    • SHA1

      33dedf85c8752624c62ca72850bd371ef9c51ae3

    • SHA256

      3ecfaa681e3e1273c4ffadc28187573a6f32d7c69694b90fa87c98dc71e5dc39

    • SHA512

      a52a0088ff2f1e9f9eba7299e29c7ee4db1288f7bf8d6db78a560de0e199f64708edeee03d5f305bb046c025355da779887a766fba6c85beaa90ee368db1f5bc

    • SSDEEP

      384:5QNcoixJ/l7OHg1WykrHD3HC8GYPdArAF+rMRTyN/0L+EcoinblneHQM3epzXHVE:SN+R1NkrHDSNYVArM+rMRa8NulVst

    Score
    8/10
    discoveryevasionpersistenceprivilege_escalation

    • Modifies Windows Firewall

      evasion

    • Drops startup file

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    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

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks