Overview

overview

10

Static

static

10

3eebc8a887...99.exe

windows7-x64

10

3eebc8a887...99.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3eebc8a8870edeb05c9089aa0bc3b2dcf6a3a56176cdc6e14f6b41fa8a763f99

  • Size

    2.0MB

  • Sample

    240422-z2cxxsgd7z

  • MD5

    9e87b969fdf95f350f0b298e96b0fe2b

  • SHA1

    5fd284f17b7180033f3a2d926576dc6a515fc332

  • SHA256

    3eebc8a8870edeb05c9089aa0bc3b2dcf6a3a56176cdc6e14f6b41fa8a763f99

  • SHA512

    60b1b30248a5cb9b119fc6e5ef13127ac276ac2cb0a8d2f384a2105e5539553394409daa31615b0e6ec85c76813847004198f79ac6426bc7b79e40af286dde03

  • SSDEEP

    24576:En2XTCHM4xT9V3XzsHhVmatCELYIXVelAtgbHHd:yaTUv0jmtEttc

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      3eebc8a8870edeb05c9089aa0bc3b2dcf6a3a56176cdc6e14f6b41fa8a763f99

    • Size

      2.0MB

    • MD5

      9e87b969fdf95f350f0b298e96b0fe2b

    • SHA1

      5fd284f17b7180033f3a2d926576dc6a515fc332

    • SHA256

      3eebc8a8870edeb05c9089aa0bc3b2dcf6a3a56176cdc6e14f6b41fa8a763f99

    • SHA512

      60b1b30248a5cb9b119fc6e5ef13127ac276ac2cb0a8d2f384a2105e5539553394409daa31615b0e6ec85c76813847004198f79ac6426bc7b79e40af286dde03

    • SSDEEP

      24576:En2XTCHM4xT9V3XzsHhVmatCELYIXVelAtgbHHd:yaTUv0jmtEttc

    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

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

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks