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Overview

overview

10

Static

static

3

cfd6a8c2a6...64.exe

windows7-x64

10

cfd6a8c2a6...64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764

  • Size

    1.5MB

  • Sample

    231012-m3t7daef2y

  • MD5

    9113e61fefe783afc64305785fe21230

  • SHA1

    0175acf449d5a5c337373aad116391dbf1eb5bc1

  • SHA256

    cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764

  • SHA512

    eea9e0b14423df677e25fe16b83d2f97f6992719030fb20a7e77b5159b4bca82853217bb4b4a0f826ff3264c96ec064dcbdb403a5cdd7e0c4a2135572a8dc2e6

  • SSDEEP

    24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764

    • Size

      1.5MB

    • MD5

      9113e61fefe783afc64305785fe21230

    • SHA1

      0175acf449d5a5c337373aad116391dbf1eb5bc1

    • SHA256

      cfd6a8c2a6c63b1059110bb8a6792668e56cdaa74e307b629fae37054e3c5764

    • SHA512

      eea9e0b14423df677e25fe16b83d2f97f6992719030fb20a7e77b5159b4bca82853217bb4b4a0f826ff3264c96ec064dcbdb403a5cdd7e0c4a2135572a8dc2e6

    • SSDEEP

      24576:UNNUtQhWhtqDfDXQdy+N+gfQqRsgFlDRluQ70eJiVbWpR:kzhWhCXQFN+0IEuQgyiVK

    Score
    10/10
    dcratevasioninfostealerpersistencerattrojan

    • 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.

    • UAC bypass

      evasiontrojan

    • Drops file in Drivers directory

    • 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

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

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

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

4
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks