Overview

overview

10

Static

static

10

3b99c63e49...ad.exe

windows7-x64

10

3b99c63e49...ad.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b99c63e4974eae49eba3ac380fc4c75ba6a4e38cd381a00cc32cee95e7596ad

  • Size

    3.2MB

  • Sample

    240422-zwgzpagc63

  • MD5

    7ec98ffb225893aeee999179ca43380a

  • SHA1

    d9ad6d24e771b5c2ebc4b4a70534329abfffe871

  • SHA256

    3b99c63e4974eae49eba3ac380fc4c75ba6a4e38cd381a00cc32cee95e7596ad

  • SHA512

    9b8e4d9123b1b1686fc88e17e02aa3d05b998ad21f9314cd15b2da8751906bc04c2f749e279d04f3a1a5b40074ed89b33bae749b8e0546f7e665b32ce6dbca05

  • SSDEEP

    49152:nC0Fl8v/911bwaEYpdYUVsk3DZGAy55kBsfJGAW6KyWUcPmWQpE:nC0Fl8v/qXYrv5tG9uKJGAWl5N

Score
10/10
dcratevasioninfostealerrattrojan

Malware Config

Targets

    • Target

      3b99c63e4974eae49eba3ac380fc4c75ba6a4e38cd381a00cc32cee95e7596ad

    • Size

      3.2MB

    • MD5

      7ec98ffb225893aeee999179ca43380a

    • SHA1

      d9ad6d24e771b5c2ebc4b4a70534329abfffe871

    • SHA256

      3b99c63e4974eae49eba3ac380fc4c75ba6a4e38cd381a00cc32cee95e7596ad

    • SHA512

      9b8e4d9123b1b1686fc88e17e02aa3d05b998ad21f9314cd15b2da8751906bc04c2f749e279d04f3a1a5b40074ed89b33bae749b8e0546f7e665b32ce6dbca05

    • SSDEEP

      49152:nC0Fl8v/911bwaEYpdYUVsk3DZGAy55kBsfJGAW6KyWUcPmWQpE:nC0Fl8v/qXYrv5tG9uKJGAWl5N

    Score
    10/10
    dcratevasioninfostealerrattrojan

    • DcRat

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

      ratinfostealerdcrat

    • 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

    • Detects executables packed with SmartAssembly

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks