Overview

overview

10

Static

static

10

ratka.exe

windows7_x64

10

ratka.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    06-07-2022 05:15

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    ratka.exe

  • Size

    43KB

  • MD5

    e01e74c608fddd8dd1581cc12ba596b8

  • SHA1

    ab7b8cc4726dae0db4619af8db0923872ae86981

  • SHA256

    3605f24cb3b60751d304359176d41c224c150caa7a5f670d373b9a84479ce067

  • SHA512

    013d1d8fc44b80e92e7c2d3fa1dc6ed6a38d04e0cead3d0990eb5cb6c614a45185f67e7ad3b7bb5a0f59216f61a29ff6587b55b6aaf1cb2ae811409fcc882edd

Score
10/10
njrathackedpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

7.tcp.eu.ngrok.io:18065

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ratka.exe
    "C:\Users\Admin\AppData\Local\Temp\ratka.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Users\Admin\AppData\Roaming\Bluetooth.exe
      "C:\Users\Admin\AppData\Roaming\Bluetooth.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:5060

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Bluetooth.exe
    Filesize

    43KB

    MD5

    e01e74c608fddd8dd1581cc12ba596b8

    SHA1

    ab7b8cc4726dae0db4619af8db0923872ae86981

    SHA256

    3605f24cb3b60751d304359176d41c224c150caa7a5f670d373b9a84479ce067

    SHA512

    013d1d8fc44b80e92e7c2d3fa1dc6ed6a38d04e0cead3d0990eb5cb6c614a45185f67e7ad3b7bb5a0f59216f61a29ff6587b55b6aaf1cb2ae811409fcc882edd

    Download Submit
  • C:\Users\Admin\AppData\Roaming\Bluetooth.exe
    Filesize

    43KB

    MD5

    e01e74c608fddd8dd1581cc12ba596b8

    SHA1

    ab7b8cc4726dae0db4619af8db0923872ae86981

    SHA256

    3605f24cb3b60751d304359176d41c224c150caa7a5f670d373b9a84479ce067

    SHA512

    013d1d8fc44b80e92e7c2d3fa1dc6ed6a38d04e0cead3d0990eb5cb6c614a45185f67e7ad3b7bb5a0f59216f61a29ff6587b55b6aaf1cb2ae811409fcc882edd

    Download Submit
  • memory/4712-130-0x0000000000890000-0x00000000008A2000-memory.dmp
    Filesize

    72KB

    Download
  • memory/4712-131-0x00000000050E0000-0x000000000517C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/4712-132-0x00000000059A0000-0x0000000005F44000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/4712-133-0x00000000054F0000-0x0000000005582000-memory.dmp
    Filesize

    584KB

    Download
  • memory/5060-134-0x0000000000000000-mapping.dmp
    Download
  • memory/5060-137-0x00000000055B0000-0x00000000055BA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/5060-138-0x0000000005800000-0x0000000005866000-memory.dmp
    Filesize

    408KB

    Download