Overview

overview

10

Static

static

10

HEUR-Troja...d8.exe

windows7-x64

10

HEUR-Troja...d8.exe

windows10-2004-x64

10

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General

  • Target

    HEUR-Trojan-Spy.MSIL.Stealer.gen-9a15e76ca3d8.exe

  • Size

    1.4MB

  • Sample

    230201-we5smsch7y

  • MD5

    7472b67b4bb85e3aefc12555fec10f36

  • SHA1

    e7730285a02fe26e27ea752a84306c4229e8e623

  • SHA256

    9a15e76ca3d8fe65e5bb57588b186b6ba8602509c0b4c8d18955dfc73b7c2e36

  • SHA512

    07b9ace8dc62f85b66be782d4674ac08926a2e96f29c9cd6635063cba21c7ccdf49db94a1a7d100868473ee046e9fb03463ae818488f73feac764398297afd69

  • SSDEEP

    24576:U2G/nvxW3Ww0t5OX6SP7prgJDBT5HHcwsQMghdR/O483h4vAe+4R:UbA30CdeDBT5cbQhnbku

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      HEUR-Trojan-Spy.MSIL.Stealer.gen-9a15e76ca3d8.exe

    • Size

      1.4MB

    • MD5

      7472b67b4bb85e3aefc12555fec10f36

    • SHA1

      e7730285a02fe26e27ea752a84306c4229e8e623

    • SHA256

      9a15e76ca3d8fe65e5bb57588b186b6ba8602509c0b4c8d18955dfc73b7c2e36

    • SHA512

      07b9ace8dc62f85b66be782d4674ac08926a2e96f29c9cd6635063cba21c7ccdf49db94a1a7d100868473ee046e9fb03463ae818488f73feac764398297afd69

    • SSDEEP

      24576:U2G/nvxW3Ww0t5OX6SP7prgJDBT5HHcwsQMghdR/O483h4vAe+4R:UbA30CdeDBT5cbQhnbku

    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

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

      ratinfostealerdcrat

    • 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.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks