Overview

overview

10

Static

static

10

84b838dc7b...72.exe

windows7-x64

10

84b838dc7b...72.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    84b838dc7b84476ab2d5eb8989a6e3921d01d96810292a646563bd0e1dd9a972

  • Size

    1.2MB

  • Sample

    240423-aqfr1aab26

  • MD5

    bba932293b24ba09742bf12beac581f0

  • SHA1

    8a9eebde6ad570b3f935742d5d9f65bf31078e3c

  • SHA256

    84b838dc7b84476ab2d5eb8989a6e3921d01d96810292a646563bd0e1dd9a972

  • SHA512

    f1fd972eec339bb1c443bb9f13ab8e9c09e810276656d3a9ecf649b70ba9374ac088d6db8e40a40010724dde05db5950dfcc1e7b7b7059faefcdd2c4a0521c34

  • SSDEEP

    24576:tR28aergLxCcjZGKCKFuTBHNWdd2HAxWnUDTJ/yS3Rh:zJaDKf4p4UD1v

Score
10/10
dcratevasioninfostealerrattrojan

Malware Config

Targets

    • Target

      84b838dc7b84476ab2d5eb8989a6e3921d01d96810292a646563bd0e1dd9a972

    • Size

      1.2MB

    • MD5

      bba932293b24ba09742bf12beac581f0

    • SHA1

      8a9eebde6ad570b3f935742d5d9f65bf31078e3c

    • SHA256

      84b838dc7b84476ab2d5eb8989a6e3921d01d96810292a646563bd0e1dd9a972

    • SHA512

      f1fd972eec339bb1c443bb9f13ab8e9c09e810276656d3a9ecf649b70ba9374ac088d6db8e40a40010724dde05db5950dfcc1e7b7b7059faefcdd2c4a0521c34

    • SSDEEP

      24576:tR28aergLxCcjZGKCKFuTBHNWdd2HAxWnUDTJ/yS3Rh:zJaDKf4p4UD1v

    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 containing bas64 encoded gzip files

    • 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