Overview

overview

10

Static

static

10

b2fd79951a...b6.exe

windows7-x64

10

b2fd79951a...b6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b2fd79951a589f19ccbafb051b044c1054d1bc0de377758fa5bed3b134884cb6.exe

  • Size

    783KB

  • Sample

    250116-gckx5awlcm

  • MD5

    2c61257d1d3d5237077be932a8f36611

  • SHA1

    73bda93a69680a551b515c831b19aa0724b40ddd

  • SHA256

    b2fd79951a589f19ccbafb051b044c1054d1bc0de377758fa5bed3b134884cb6

  • SHA512

    8d8f2a4c9cbbef1cc7ae205f2b9a4570bcc1f467b04d07a17370242e2b32919fdabcc1881c77f2ce7d23e58bea4b46d0d9947980d85f0b11217a65ebccaff21e

  • SSDEEP

    12288:GqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqKe:G+OQbpbgsFdAyQvzSqaq8qn

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      b2fd79951a589f19ccbafb051b044c1054d1bc0de377758fa5bed3b134884cb6.exe

    • Size

      783KB

    • MD5

      2c61257d1d3d5237077be932a8f36611

    • SHA1

      73bda93a69680a551b515c831b19aa0724b40ddd

    • SHA256

      b2fd79951a589f19ccbafb051b044c1054d1bc0de377758fa5bed3b134884cb6

    • SHA512

      8d8f2a4c9cbbef1cc7ae205f2b9a4570bcc1f467b04d07a17370242e2b32919fdabcc1881c77f2ce7d23e58bea4b46d0d9947980d85f0b11217a65ebccaff21e

    • SSDEEP

      12288:GqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqKe:G+OQbpbgsFdAyQvzSqaq8qn

    Score
    10/10
    dcratevasioninfostealerpersistencerattrojan

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Drops file in System32 directory

    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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks