Overview

overview

10

Static

static

10

99e64babb0...d0.exe

windows7-x64

10

99e64babb0...d0.exe

windows10-2004-x64

10

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General

  • Target

    bf7e49d8147870246a28bd5aa0c199ce85a5cee6dc2984ad7a3197aed546f3e8

  • Size

    415KB

  • Sample

    240417-qbd8mage66

  • MD5

    c5a1573d85b27c350e5f76b36c150fd3

  • SHA1

    db0a99fe4163874184c4fef633ffb91ef262d14c

  • SHA256

    bf7e49d8147870246a28bd5aa0c199ce85a5cee6dc2984ad7a3197aed546f3e8

  • SHA512

    7041d384188b6269c36c567ab7adb023b08b37726be574db4d984c85080941bf746251a1315e06dcf629214cfb4ed55686a8c07c018a7364cdf33987a4316ad2

  • SSDEEP

    6144:8/SR66cG+hD0IBEDzxM1o2AtwRY1nDH0Jm+oFJ3Tz3dBj3kapV2gTuGgTkXKFNf4:8FhboMOjt86nDUJmDzJOgTDtirRn+ldb

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0.exe

    • Size

      827KB

    • MD5

      1df7042de91ebbe0fdc6dce717df04a5

    • SHA1

      a4bc62ba308105e53a0d438cf8b90337434b8853

    • SHA256

      99e64babb02ebc1d5b30582b30d0fbe153cc33ebcc55dd382f9dce4abfe76ed0

    • SHA512

      b71e5e653bd05283a6ceaacc477ee905138b9af9f2beb48e04ccb9eea72f26c44bb9f338c891ca2e5fb9b44e19b8a06e2050235cfe2d17a9bdf145fa8a73484b

    • SSDEEP

      12288:rqimbc9qvl/LOVMPFLT3Mf++Ly798NEyfNo8lfGk:rANvl/aMPJ5iy7mNi8f

    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

    • 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