Overview

overview

10

Static

static

10

NurikCrack...on.exe

windows7-x64

10

NurikCrack...on.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NurikCrackNewVersion.exe

  • Size

    1.1MB

  • Sample

    240523-d386vscd5t

  • MD5

    4b39d2785f3041d673495ecc36a95074

  • SHA1

    925f23e1e5b69b075728221874b54dc2ad2c7f65

  • SHA256

    9fb4c2982f8b86bc0c969db4c2907b5e86596e73e556d68751f5d8077c807772

  • SHA512

    44f75ea465ee52d9ead19330a9f4b82e7b2cc59d95e89547f85a5dc2af1139481fbeecb498edb7e68497820f1daf3c9f63d9a94fa536e91f63011603c9c31d4d

  • SSDEEP

    24576:P2G/nvxW3Wayt05h/1NDQNxDL5rNx5bhpC6TZ:PbA37yC5GVz9

Score
10/10
dcratinfostealerrat

Malware Config

Targets

    • Target

      NurikCrackNewVersion.exe

    • Size

      1.1MB

    • MD5

      4b39d2785f3041d673495ecc36a95074

    • SHA1

      925f23e1e5b69b075728221874b54dc2ad2c7f65

    • SHA256

      9fb4c2982f8b86bc0c969db4c2907b5e86596e73e556d68751f5d8077c807772

    • SHA512

      44f75ea465ee52d9ead19330a9f4b82e7b2cc59d95e89547f85a5dc2af1139481fbeecb498edb7e68497820f1daf3c9f63d9a94fa536e91f63011603c9c31d4d

    • SSDEEP

      24576:P2G/nvxW3Wayt05h/1NDQNxDL5rNx5bhpC6TZ:PbA37yC5GVz9

    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

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks