Overview

overview

10

Static

static

10

99538a6d43...8c.exe

windows7-x64

10

99538a6d43...8c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    99538a6d43ec43d371b9051fac8040acc37c738d3b241bb018023b121c941e8c.exe

  • Size

    2.6MB

  • Sample

    221018-vpetjagec9

  • MD5

    0e65f6863a1d4b3584d72ebef0b41202

  • SHA1

    77bd0890113173cc2cf2b2b686eaf6b73ad039d9

  • SHA256

    99538a6d43ec43d371b9051fac8040acc37c738d3b241bb018023b121c941e8c

  • SHA512

    32d4d89115441bf1b50286a600fcdf733973c1e0119e5529abda55d6d52934ac701838db4f43d521667ea4f6bea10cb34089451e4e4e178e2960639c841ce386

  • SSDEEP

    49152:TH09JSJJJRvUIbcMEDFcJ8jKV2glUxJU08GITXS42crt5/l:r0TOJRvUHM4yfqPxEXS42cH/l

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      99538a6d43ec43d371b9051fac8040acc37c738d3b241bb018023b121c941e8c.exe

    • Size

      2.6MB

    • MD5

      0e65f6863a1d4b3584d72ebef0b41202

    • SHA1

      77bd0890113173cc2cf2b2b686eaf6b73ad039d9

    • SHA256

      99538a6d43ec43d371b9051fac8040acc37c738d3b241bb018023b121c941e8c

    • SHA512

      32d4d89115441bf1b50286a600fcdf733973c1e0119e5529abda55d6d52934ac701838db4f43d521667ea4f6bea10cb34089451e4e4e178e2960639c841ce386

    • SSDEEP

      49152:TH09JSJJJRvUIbcMEDFcJ8jKV2glUxJU08GITXS42crt5/l:r0TOJRvUHM4yfqPxEXS42cH/l

    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

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks