Overview

overview

10

Static

static

10

bb6526c31d...3a.exe

windows7-x64

10

bb6526c31d...3a.exe

windows10-2004-x64

10

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General

  • Target

    bb6526c31dfdace774220f96adcf80ac80cdc76eddf542a024825663dd37823a.exe

  • Size

    1.4MB

  • Sample

    240726-f7zjbsygjl

  • MD5

    206c5e527a6a213821a20e837f3bec32

  • SHA1

    5aafbe435d20a9acc7285220f0ad1b04527bebd9

  • SHA256

    bb6526c31dfdace774220f96adcf80ac80cdc76eddf542a024825663dd37823a

  • SHA512

    545e7fe3afd65cc08792668008862e2da1529b3747278d188a20e6fec1c1e994c5c41ea18366453b3b1fb34b7306bceb6d12b4e0506e2d2b0291d94761426e6c

  • SSDEEP

    24576:b2G/nvxW3W8WKDaI4Cm9Sakqs8r+jptkTxfWrKpfVYtYPtbv2bVVn/mh:bbA3ZDaI4CMkLuAUurKYYPtTEVVn0

Score
10/10
dcratdiscoveryinfostealerpersistencerat

Malware Config

Targets

    • Target

      bb6526c31dfdace774220f96adcf80ac80cdc76eddf542a024825663dd37823a.exe

    • Size

      1.4MB

    • MD5

      206c5e527a6a213821a20e837f3bec32

    • SHA1

      5aafbe435d20a9acc7285220f0ad1b04527bebd9

    • SHA256

      bb6526c31dfdace774220f96adcf80ac80cdc76eddf542a024825663dd37823a

    • SHA512

      545e7fe3afd65cc08792668008862e2da1529b3747278d188a20e6fec1c1e994c5c41ea18366453b3b1fb34b7306bceb6d12b4e0506e2d2b0291d94761426e6c

    • SSDEEP

      24576:b2G/nvxW3W8WKDaI4Cm9Sakqs8r+jptkTxfWrKpfVYtYPtbv2bVVn/mh:bbA3ZDaI4CMkLuAUurKYYPtTEVVn0

    Score
    10/10
    dcratdiscoveryinfostealerpersistencerat

    • 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

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks