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Overview

overview

10

Static

static

10

ab18a7676d...2N.exe

windows7-x64

10

ab18a7676d...2N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ab18a7676dc9644e7ed41a2bc3ff1951da21d9a246493296d984b7aea82625e2N

  • Size

    783KB

  • Sample

    241028-j4855sskcs

  • MD5

    665d25b23b263b2654de48bfefeb68e0

  • SHA1

    fbe169375d8b8d4864cf924495f9c3559d0e86bf

  • SHA256

    ab18a7676dc9644e7ed41a2bc3ff1951da21d9a246493296d984b7aea82625e2

  • SHA512

    1b3688f94a1e390b411b3224c1681d2cfdb63a7cf3277b8cb168a29c59c8af017526938a36b06b481dcf9317befef5d9e16a3c2aa9f572ce5189c04e89a718c2

  • SSDEEP

    12288:mqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqK:m+OQbpbgsFdAyQvzSqaq8q

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      ab18a7676dc9644e7ed41a2bc3ff1951da21d9a246493296d984b7aea82625e2N

    • Size

      783KB

    • MD5

      665d25b23b263b2654de48bfefeb68e0

    • SHA1

      fbe169375d8b8d4864cf924495f9c3559d0e86bf

    • SHA256

      ab18a7676dc9644e7ed41a2bc3ff1951da21d9a246493296d984b7aea82625e2

    • SHA512

      1b3688f94a1e390b411b3224c1681d2cfdb63a7cf3277b8cb168a29c59c8af017526938a36b06b481dcf9317befef5d9e16a3c2aa9f572ce5189c04e89a718c2

    • SSDEEP

      12288:mqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqK:m+OQbpbgsFdAyQvzSqaq8q

    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

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks