Overview

overview

10

Static

static

10

Crack.exe

windows7-x64

10

Crack.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Crack.exe

  • Size

    3.5MB

  • Sample

    240704-kaymzsvblb

  • MD5

    4bf2b73b872ff49fbffe6ff7a73f97a8

  • SHA1

    6c4e33d77e9b7a85b140048f4711d52380d866fc

  • SHA256

    374290f4bc29e1d5a3295b8f23c281393075beae64db51cd5a5e96c03f9ef8b0

  • SHA512

    17821b08818ca4d81385a90f0c911f49bbcdb49d7793e26c53752c2a4f0281a435400a69dc9217b8c53d4209be8f9509cd775e42e1c2af5b1729f83f1a7f2695

  • SSDEEP

    49152:/bA3Ds2r2n5E4UfeAn6ITBLXenQ36kxLGKlHbR7WKzjznJbRVL0x4FCE1zsbq0PI:/bW2nQt6x6l7WUXJ5FhNsW0w

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      Crack.exe

    • Size

      3.5MB

    • MD5

      4bf2b73b872ff49fbffe6ff7a73f97a8

    • SHA1

      6c4e33d77e9b7a85b140048f4711d52380d866fc

    • SHA256

      374290f4bc29e1d5a3295b8f23c281393075beae64db51cd5a5e96c03f9ef8b0

    • SHA512

      17821b08818ca4d81385a90f0c911f49bbcdb49d7793e26c53752c2a4f0281a435400a69dc9217b8c53d4209be8f9509cd775e42e1c2af5b1729f83f1a7f2695

    • SSDEEP

      49152:/bA3Ds2r2n5E4UfeAn6ITBLXenQ36kxLGKlHbR7WKzjznJbRVL0x4FCE1zsbq0PI:/bW2nQt6x6l7WUXJ5FhNsW0w

    Score
    10/10
    dcratevasioninfostealerpersistencerattrojan

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

      evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks