Overview

overview

10

Static

static

10

6b1ff20c95...f4.exe

windows7-x64

10

6b1ff20c95...f4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6b1ff20c95ab7ea0d16f441c6726f6112bbae1c620696f2e9bec01b4926dc1f4

  • Size

    4.1MB

  • Sample

    240422-26kvfahe55

  • MD5

    a84070968353edcc9559f54deedd8fe9

  • SHA1

    27187ea020c4fcfad6783debbea35883b1125538

  • SHA256

    6b1ff20c95ab7ea0d16f441c6726f6112bbae1c620696f2e9bec01b4926dc1f4

  • SHA512

    134a25e91d0b088a9dd57ce0310a1f164f6586624dd71a02001ece26b70d3d8fd201ece35b5a9b15764f983cbf9da099b8f13b5e99584ada093f12c506a2500e

  • SSDEEP

    98304:TiJbE5xmRwLHVZCC55YkdOsfMvBh0ND4wELWg:TMaxAWHVkq5Y2fMkNDILWg

Score
10/10
dcratevasioninfostealerrattrojan

Malware Config

Targets

    • Target

      6b1ff20c95ab7ea0d16f441c6726f6112bbae1c620696f2e9bec01b4926dc1f4

    • Size

      4.1MB

    • MD5

      a84070968353edcc9559f54deedd8fe9

    • SHA1

      27187ea020c4fcfad6783debbea35883b1125538

    • SHA256

      6b1ff20c95ab7ea0d16f441c6726f6112bbae1c620696f2e9bec01b4926dc1f4

    • SHA512

      134a25e91d0b088a9dd57ce0310a1f164f6586624dd71a02001ece26b70d3d8fd201ece35b5a9b15764f983cbf9da099b8f13b5e99584ada093f12c506a2500e

    • SSDEEP

      98304:TiJbE5xmRwLHVZCC55YkdOsfMvBh0ND4wELWg:TMaxAWHVkq5Y2fMkNDILWg

    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

    • Loads dropped DLL

    • 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