Overview

overview

10

Static

static

10

NewClient.exe

windows10-2004-x64

7

NewClient.exe

windows11-21h2-x64

7

Sharing

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General

  • Target
    NewClient.exe
  • Size 65KB
  • Sample260322-m622dsa151
  • SHA256 ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njratromachkadiscoveryexecutionpersistence

Malware Config

Extracted

Family

  • njrat

Version

  • Platinum

Botnet

  • ROMACHKA

C2

  • 127.0.0.1:8723

Mutex

  • system32.exe

Attributes
  • reg_key

    system32.exe

  • splitter

    |Ghost|

Targets

    • Target
      NewClient.exe
    • Size 65KB
    • SHA256 ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    discoveryexecutionpersistence

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks