Overview

overview

10

Static

static

10

a2b1a70b88...62.exe

windows7-x64

10

a2b1a70b88...62.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a2b1a70b88ad260dadf9f99d38f850e7256e3f9ba6f1d96ac017c70d81f7c262

  • Size

    2.3MB

  • Sample

    250106-yw95ssylck

  • MD5

    76842313355a159ae3f15beb42b7523c

  • SHA1

    f07888bc191e4d7f42908b66a1ae9600a5d82d4e

  • SHA256

    a2b1a70b88ad260dadf9f99d38f850e7256e3f9ba6f1d96ac017c70d81f7c262

  • SHA512

    9f66f217faacf5ed8684b778b305cdfd3c66f99e11fc0adb330221db2f75c5d2798a701b8a55aa7da94fead1fd94052242e094313c641d5b21c3e314667ce330

  • SSDEEP

    24576:tg1trubkn3XjeUtXpi6lCIGlq765OkIXexdd2LCPm016qCir11X/6S/wn9UySfzV:idXjptfoI3eJIzQ6qTr7X3MFSu+L39l

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      a2b1a70b88ad260dadf9f99d38f850e7256e3f9ba6f1d96ac017c70d81f7c262

    • Size

      2.3MB

    • MD5

      76842313355a159ae3f15beb42b7523c

    • SHA1

      f07888bc191e4d7f42908b66a1ae9600a5d82d4e

    • SHA256

      a2b1a70b88ad260dadf9f99d38f850e7256e3f9ba6f1d96ac017c70d81f7c262

    • SHA512

      9f66f217faacf5ed8684b778b305cdfd3c66f99e11fc0adb330221db2f75c5d2798a701b8a55aa7da94fead1fd94052242e094313c641d5b21c3e314667ce330

    • SSDEEP

      24576:tg1trubkn3XjeUtXpi6lCIGlq765OkIXexdd2LCPm016qCir11X/6S/wn9UySfzV:idXjptfoI3eJIzQ6qTr7X3MFSu+L39l

    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • 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

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks