Overview

overview

10

Static

static

3

0ffaeedc37...0N.exe

windows7-x64

10

0ffaeedc37...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0ffaeedc37c79a75072e8a7087803430a13882f3cf31e803263bc8e2febd3c10N.exe

  • Size

    1.9MB

  • Sample

    241202-esrz9syqdt

  • MD5

    2123f0ed99f66156c6504fbbdaf2c7b0

  • SHA1

    110a8c7145539bef2c86851076fa63f9dab9967c

  • SHA256

    0ffaeedc37c79a75072e8a7087803430a13882f3cf31e803263bc8e2febd3c10

  • SHA512

    2c128bf35bff96204d27fdaa9112807d63d9de8c9b5923a0059b40ebbf381ad2ae95f3a4323877f97c5a9ba4cc3219fabdfebeaa30431189f815dc0f575c1511

  • SSDEEP

    49152:zES0GzPDPtGUE/Nb8HdX+rKXJyCnKhgLn0Hc:zES0qybydXUyfK2LC

Score
10/10
dcratexecutioninfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      0ffaeedc37c79a75072e8a7087803430a13882f3cf31e803263bc8e2febd3c10N.exe

    • Size

      1.9MB

    • MD5

      2123f0ed99f66156c6504fbbdaf2c7b0

    • SHA1

      110a8c7145539bef2c86851076fa63f9dab9967c

    • SHA256

      0ffaeedc37c79a75072e8a7087803430a13882f3cf31e803263bc8e2febd3c10

    • SHA512

      2c128bf35bff96204d27fdaa9112807d63d9de8c9b5923a0059b40ebbf381ad2ae95f3a4323877f97c5a9ba4cc3219fabdfebeaa30431189f815dc0f575c1511

    • SSDEEP

      49152:zES0GzPDPtGUE/Nb8HdX+rKXJyCnKhgLn0Hc:zES0qybydXUyfK2LC

    Score
    10/10
    dcratexecutioninfostealerpersistenceratspywarestealer

    • 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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • 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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks