Overview

overview

10

Static

static

10

dabf40b2ed...cb.exe

windows7-x64

10

dabf40b2ed...cb.exe

windows10-2004-x64

10

Resubmissions

13-01-2025 04:05

250113-enzvbaxner 10

12-01-2025 14:56

250112-sa1fkszjhp 10

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General

  • Target

    dabf40b2ed8d96638f713f6373ef64cb.exe

  • Size

    2.5MB

  • Sample

    250112-sa1fkszjhp

  • MD5

    dabf40b2ed8d96638f713f6373ef64cb

  • SHA1

    4c9479e54b394722bdaeff1b36d903502cd1b1fe

  • SHA256

    0a0eebfca8553e921339c90b0060ceb6adcbc5f747696b1abecd376f50283911

  • SHA512

    0a9abca78917efea2b77dcccf862761e99001a26bba3de871c233b07500c7e414e32ebd41f93e23b332696db1d56aaa9e8357e60ac32efbf06c13bf40abf1fd0

  • SSDEEP

    49152:UbA30QsSHlG56vO0T3/Nh/ptuw/C3TqGaDxr1NcWTMUvifV:UbcLlK6d3/Nh/bV/Oq3Dxp2RUGV

Score
10/10
dcratdiscoveryevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      dabf40b2ed8d96638f713f6373ef64cb.exe

    • Size

      2.5MB

    • MD5

      dabf40b2ed8d96638f713f6373ef64cb

    • SHA1

      4c9479e54b394722bdaeff1b36d903502cd1b1fe

    • SHA256

      0a0eebfca8553e921339c90b0060ceb6adcbc5f747696b1abecd376f50283911

    • SHA512

      0a9abca78917efea2b77dcccf862761e99001a26bba3de871c233b07500c7e414e32ebd41f93e23b332696db1d56aaa9e8357e60ac32efbf06c13bf40abf1fd0

    • SSDEEP

      49152:UbA30QsSHlG56vO0T3/Nh/ptuw/C3TqGaDxr1NcWTMUvifV:UbcLlK6d3/Nh/bV/Oq3Dxp2RUGV

    Score
    10/10
    dcratdiscoveryevasioninfostealerpersistencerattrojan

    • 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.

    • UAC bypass

      evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Disables Task Manager via registry modification

      evasion

    • Drops file in Drivers directory

    • 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

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

5
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks