Overview

overview

10

Static

static

10

DCRatBuild.scr.exe

windows7-x64

10

DCRatBuild.scr.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    DCRatBuild.scr.exe

  • Size

    1.1MB

  • Sample

    230529-cmt7bshb73

  • MD5

    b7e869de46a46e65ec4decd37181dca6

  • SHA1

    a5e10733b276e4d2c7aeaeb4277d6803fa89bbc8

  • SHA256

    db22afccf4e8415e7a44f2b4d77ace21209dc4bcf558024ad9ae87820fed4857

  • SHA512

    93649cbd0f964c3152f600d45e37cb18fc3d5b78c3c514c23ebc7e19ae8dae3b7baddfcff1d92f8e9c9b236fe9ea8a06f4fc089d8232f3b322274cb4987c623a

  • SSDEEP

    24576:U2G/nvxW3Ww0tOGJO4DEsW9rJ89Zl7GdhTzZx4xy4Vg2aM:UbA30OGLDEK9eGUtg

Score
10/10
dcratinfostealerrat

Malware Config

Targets

    • Target

      DCRatBuild.scr.exe

    • Size

      1.1MB

    • MD5

      b7e869de46a46e65ec4decd37181dca6

    • SHA1

      a5e10733b276e4d2c7aeaeb4277d6803fa89bbc8

    • SHA256

      db22afccf4e8415e7a44f2b4d77ace21209dc4bcf558024ad9ae87820fed4857

    • SHA512

      93649cbd0f964c3152f600d45e37cb18fc3d5b78c3c514c23ebc7e19ae8dae3b7baddfcff1d92f8e9c9b236fe9ea8a06f4fc089d8232f3b322274cb4987c623a

    • SSDEEP

      24576:U2G/nvxW3Ww0tOGJO4DEsW9rJ89Zl7GdhTzZx4xy4Vg2aM:UbA30OGLDEK9eGUtg

    Score
    10/10
    dcratinfostealerrat

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks