Overview

overview

10

Static

static

10

3bfe01358c...4N.exe

windows7-x64

10

3bfe01358c...4N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3bfe01358c790e1a5d4675c22b0bb0817214e4ec23cdcd919a635ada0a92c9f4N.exe

  • Size

    783KB

  • Sample

    250122-2k9axazpdj

  • MD5

    b8d3a762bae9978720cf91014a5a84b0

  • SHA1

    034a5a6146c211782ae20b57095fa2ae87e5127b

  • SHA256

    3bfe01358c790e1a5d4675c22b0bb0817214e4ec23cdcd919a635ada0a92c9f4

  • SHA512

    3f5dff93777057eff4c08d13319f5d46583c8968a18abd495b2e9569dbcbaf20d20bb01785407c2e760dabeecb992733c137b375702360586345b5370fdf427e

  • SSDEEP

    12288:mqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqK:m+OQbpbgsFdAyQvzSqaq8q

Score
10/10
dcratdefense_evasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      3bfe01358c790e1a5d4675c22b0bb0817214e4ec23cdcd919a635ada0a92c9f4N.exe

    • Size

      783KB

    • MD5

      b8d3a762bae9978720cf91014a5a84b0

    • SHA1

      034a5a6146c211782ae20b57095fa2ae87e5127b

    • SHA256

      3bfe01358c790e1a5d4675c22b0bb0817214e4ec23cdcd919a635ada0a92c9f4

    • SHA512

      3f5dff93777057eff4c08d13319f5d46583c8968a18abd495b2e9569dbcbaf20d20bb01785407c2e760dabeecb992733c137b375702360586345b5370fdf427e

    • SSDEEP

      12288:mqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqK:m+OQbpbgsFdAyQvzSqaq8q

    Score
    10/10
    dcratdefense_evasioninfostealerpersistencerattrojan

    • 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

      defense_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

      defense_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