Overview

overview

10

Static

static

3

f5b4c4a0ed...cN.exe

windows7-x64

10

f5b4c4a0ed...cN.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN

  • Size

    206KB

  • Sample

    241030-kc5t3s1lap

  • MD5

    2f8441bc4045d18e7d474b1df005b570

  • SHA1

    000e2f70084f4c26163603f7099f1f172a903566

  • SHA256

    f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903c

  • SHA512

    4c7ef5504862ed94ae5cfdb2380cc47ef99c9cdf0225e49dbafa228040b28214ba46b93414f24e8b80e1ec865278c1477b5b87d74a8594777bec268ed61315ab

  • SSDEEP

    1536:NdF6Y9JIXfLrhoCMI7C98AIaAekdAGDYEasJqkUssXOcfaAJzYU4r/1CbSYlIePV:NR2FoCMI2aAIam1asJjUfFOderYRHQ

Score
10/10
njratdiscoveryevasionpersistenceprivilege_escalationspywarestealertrojan

Malware Config

Targets

    • Target

      f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN

    • Size

      206KB

    • MD5

      2f8441bc4045d18e7d474b1df005b570

    • SHA1

      000e2f70084f4c26163603f7099f1f172a903566

    • SHA256

      f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903c

    • SHA512

      4c7ef5504862ed94ae5cfdb2380cc47ef99c9cdf0225e49dbafa228040b28214ba46b93414f24e8b80e1ec865278c1477b5b87d74a8594777bec268ed61315ab

    • SSDEEP

      1536:NdF6Y9JIXfLrhoCMI7C98AIaAekdAGDYEasJqkUssXOcfaAJzYU4r/1CbSYlIePV:NR2FoCMI2aAIam1asJjUfFOderYRHQ

    Score
    10/10
    njratdiscoveryevasionpersistenceprivilege_escalationspywarestealertrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      evasion

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • 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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks