Overview

overview

10

Static

static

10

Server.exe

windows7-x64

8

Server.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    Server.exe

  • Size

    37KB

  • Sample

    240424-xy4v5aff7t

  • MD5

    c421a92b2889871191d33a8a04d97ce0

  • SHA1

    39931c2c83520838c6ae48f5f3d178b8dcdda453

  • SHA256

    cee57b33d9a14bfa7d99377f01de76e84866d56502b0a39ba864f23694361f99

  • SHA512

    848c6e28d70a1196378944ca06f12d7dd18c8b1591035271bb21d25f028b98fb70a49c63b14f578c806230095836345bb8ac37ba6c2477455c430774b9c6bfbf

  • SSDEEP

    768:ykcNwMslUV0bwO/+i8airM+rMRa8Nu3Qt:yH0lU6x+ixd+gRJNU

Score
10/10
njratctfmonevasion

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

ctfmon

C2

4.tcp.eu.ngrok.io:12138

Mutex

c75d7fe7b676826b38271224a9b87371

Attributes
  • reg_key

    c75d7fe7b676826b38271224a9b87371

  • splitter

    |'|'|

Targets

    • Target

      Server.exe

    • Size

      37KB

    • MD5

      c421a92b2889871191d33a8a04d97ce0

    • SHA1

      39931c2c83520838c6ae48f5f3d178b8dcdda453

    • SHA256

      cee57b33d9a14bfa7d99377f01de76e84866d56502b0a39ba864f23694361f99

    • SHA512

      848c6e28d70a1196378944ca06f12d7dd18c8b1591035271bb21d25f028b98fb70a49c63b14f578c806230095836345bb8ac37ba6c2477455c430774b9c6bfbf

    • SSDEEP

      768:ykcNwMslUV0bwO/+i8airM+rMRa8Nu3Qt:yH0lU6x+ixd+gRJNU

    Score
    8/10
    evasion

    • Modifies Windows Firewall

      evasion

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks