Overview

overview

10

Static

static

10

0a0a64f3c4...e8.exe

windows7-x64

10

0a0a64f3c4...e8.exe

windows10-2004-x64

10

Resubmissions

12-01-2023 20:01

230112-yrh6hsae52 10

07-01-2023 04:41

230107-fa3jqagb8t 10

07-01-2023 04:21

230107-eynj2acf87 10

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General

  • Target

    0a0a64f3c4fa7d960be983aa0a7d0ce8.exe

  • Size

    3.8MB

  • Sample

    230112-yrh6hsae52

  • MD5

    0a0a64f3c4fa7d960be983aa0a7d0ce8

  • SHA1

    b597c7397ecaff7c5c1aa27f5124fc7b8a94e643

  • SHA256

    6d95012691b58c36574d4b1061b07e0a8340909664908e991fad91028777fdd1

  • SHA512

    ef04e3eb8f2b10dae6845b97fa66086c3d02c5508adcd1923a93975c88f1ad0f80f984b563c36c4868276670b1dee9e11ae3c57faf7b0509118d121d920df7d4

  • SSDEEP

    98304:F7b3a0t2TiPhx6Sp+ybfnDA4qo34n1oO:FH3Z8cp+gDZ4n1

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      0a0a64f3c4fa7d960be983aa0a7d0ce8.exe

    • Size

      3.8MB

    • MD5

      0a0a64f3c4fa7d960be983aa0a7d0ce8

    • SHA1

      b597c7397ecaff7c5c1aa27f5124fc7b8a94e643

    • SHA256

      6d95012691b58c36574d4b1061b07e0a8340909664908e991fad91028777fdd1

    • SHA512

      ef04e3eb8f2b10dae6845b97fa66086c3d02c5508adcd1923a93975c88f1ad0f80f984b563c36c4868276670b1dee9e11ae3c57faf7b0509118d121d920df7d4

    • SSDEEP

      98304:F7b3a0t2TiPhx6Sp+ybfnDA4qo34n1oO:FH3Z8cp+gDZ4n1

    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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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 v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

4
T1112

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks