Overview

overview

10

Static

static

10

Serversvc.exe

windows7-x64

10

Serversvc.exe

windows10-2004-x64

10

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General

  • Target

    Serversvc.exe

  • Size

    827KB

  • Sample

    250127-wz5y5szrgt

  • MD5

    2b1b671bc3ef38079bfc62e0383258e8

  • SHA1

    1231c2d534a55d0e0923953e3d238a2052d6fad7

  • SHA256

    50ba49f457fa7dad0a39dbf75d14570d5308b33b1c4141e37223dda5c731f4b9

  • SHA512

    0552db872a39c27e069a6526db6046368887fc2fc42534ab63fb30ed235388cf831b52bec5234b2fb2bec50f774fe17d31a27323b702f03029233d6a1b9d5f23

  • SSDEEP

    12288:YlMOe0Zu4AanEAlKOP6dE1qAmpBfcjYbg4EEgIGSXx9GI:Ye0Zu4AarrP2OCm4g41Zf

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      Serversvc.exe

    • Size

      827KB

    • MD5

      2b1b671bc3ef38079bfc62e0383258e8

    • SHA1

      1231c2d534a55d0e0923953e3d238a2052d6fad7

    • SHA256

      50ba49f457fa7dad0a39dbf75d14570d5308b33b1c4141e37223dda5c731f4b9

    • SHA512

      0552db872a39c27e069a6526db6046368887fc2fc42534ab63fb30ed235388cf831b52bec5234b2fb2bec50f774fe17d31a27323b702f03029233d6a1b9d5f23

    • SSDEEP

      12288:YlMOe0Zu4AanEAlKOP6dE1qAmpBfcjYbg4EEgIGSXx9GI:Ye0Zu4AarrP2OCm4g41Zf

    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