Overview

overview

10

Static

static

3

5804078826...95.exe

windows7-x64

10

5804078826...95.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    58040788269169456e7831099188a99796227cac63cc28771496d9f97204b895.exe

  • Size

    35.2MB

  • Sample

    250114-c2sbaawqfp

  • MD5

    bc4a8996f18f14f3c77fff13fd23b00d

  • SHA1

    431779aa67e97a32824956d9f3c9122a8340486b

  • SHA256

    58040788269169456e7831099188a99796227cac63cc28771496d9f97204b895

  • SHA512

    1e7e873f4af45963ffd59973bd1d76fbe5bf3841414788ade05aab69f11aae66c5fa3da082a43183a094fb12f5f94e35190e01c9ac224888f557f659a453471c

  • SSDEEP

    98304:yrdqTz4+mudOlbI9tp2159NiHZOGDjuXnU:0dqvYwO23mwY8

Score
10/10
dcratdiscoveryexecutioninfostealerpersistencerat

Malware Config

Targets

    • Target

      58040788269169456e7831099188a99796227cac63cc28771496d9f97204b895.exe

    • Size

      35.2MB

    • MD5

      bc4a8996f18f14f3c77fff13fd23b00d

    • SHA1

      431779aa67e97a32824956d9f3c9122a8340486b

    • SHA256

      58040788269169456e7831099188a99796227cac63cc28771496d9f97204b895

    • SHA512

      1e7e873f4af45963ffd59973bd1d76fbe5bf3841414788ade05aab69f11aae66c5fa3da082a43183a094fb12f5f94e35190e01c9ac224888f557f659a453471c

    • SSDEEP

      98304:yrdqTz4+mudOlbI9tp2159NiHZOGDjuXnU:0dqvYwO23mwY8

    Score
    10/10
    dcratdiscoveryexecutioninfostealerpersistencerat

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Scheduled Task

1
T1053.005

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

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks