Overview

overview

10

Static

static

10

pTdbWeYTRtzW2gi.exe

windows7-x64

10

pTdbWeYTRtzW2gi.exe

windows10-2004-x64

10

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General

  • Target

    pTdbWeYTRtzW2gi.exe

  • Size

    1.1MB

  • Sample

    230130-cmvg4adf24

  • MD5

    8496c268e5795f8734c886bf68ee141c

  • SHA1

    dc642bd6fc6fad71ab5ac10cc35a040ad993db5c

  • SHA256

    576437a881af98afed6680cd7fe0ae52adb87a528ece6d367eaf436765fe1d9e

  • SHA512

    f7b7681352174ec9096fdf0dca8bbfaabac219cbea6f134fcd139cc77b52f861cc2034f8dda8c7d945c57ed6777fc193805ada1b95f8f2408cfd023c77a2d026

  • SSDEEP

    12288:t6NE5eSwJu37+GXJpkaI7ShG54v4ahgVY3whNG8/LI6i4ejmtnbAouuFteLBdBN9:t6NReJXJIwvJgVQSoPEzKkLXa

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      pTdbWeYTRtzW2gi.exe

    • Size

      1.1MB

    • MD5

      8496c268e5795f8734c886bf68ee141c

    • SHA1

      dc642bd6fc6fad71ab5ac10cc35a040ad993db5c

    • SHA256

      576437a881af98afed6680cd7fe0ae52adb87a528ece6d367eaf436765fe1d9e

    • SHA512

      f7b7681352174ec9096fdf0dca8bbfaabac219cbea6f134fcd139cc77b52f861cc2034f8dda8c7d945c57ed6777fc193805ada1b95f8f2408cfd023c77a2d026

    • SSDEEP

      12288:t6NE5eSwJu37+GXJpkaI7ShG54v4ahgVY3whNG8/LI6i4ejmtnbAouuFteLBdBN9:t6NReJXJIwvJgVQSoPEzKkLXa

    Score
    10/10
    dcratinfostealerpersistencerat

    • 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.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence
    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

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks