Overview

overview

10

Static

static

10

04a31d7675...d5.exe

windows7-x64

10

04a31d7675...d5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    04a31d7675a4858c9c1ddb7c818782d5

  • Size

    1.4MB

  • Sample

    231229-1hkn4aabf6

  • MD5

    04a31d7675a4858c9c1ddb7c818782d5

  • SHA1

    991b6bd9ed58869e8e408158b99a050791e15f17

  • SHA256

    54096c1f199a69326018b8a54c3c2e8b6a2e0a1f4724d0fceb8016cf4ae0cece

  • SHA512

    2fac1ab544a88b0476e474d0990ab24fa5a678f0ae983aca1666910774d85a0b5dcc2040ef5fff21a25ef04d57fdc35de34af28d24c73af8b66c163b890b5d97

  • SSDEEP

    24576:u2G/nvxW3WieCO0Kktota4CJjOEn3v02OSPm0woqLvs4eI3x9WE+4Q:ubA3jY4oLCJjNn/wGb8eASb

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      04a31d7675a4858c9c1ddb7c818782d5

    • Size

      1.4MB

    • MD5

      04a31d7675a4858c9c1ddb7c818782d5

    • SHA1

      991b6bd9ed58869e8e408158b99a050791e15f17

    • SHA256

      54096c1f199a69326018b8a54c3c2e8b6a2e0a1f4724d0fceb8016cf4ae0cece

    • SHA512

      2fac1ab544a88b0476e474d0990ab24fa5a678f0ae983aca1666910774d85a0b5dcc2040ef5fff21a25ef04d57fdc35de34af28d24c73af8b66c163b890b5d97

    • SSDEEP

      24576:u2G/nvxW3WieCO0Kktota4CJjOEn3v02OSPm0woqLvs4eI3x9WE+4Q:ubA3jY4oLCJjNn/wGb8eASb

    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

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

      ratinfostealerdcrat

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks