Overview

overview

10

Static

static

10

B76961AD37...90.exe

windows7-x64

10

B76961AD37...90.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    B76961AD3762546D1B341CBC337AC3D8A5F8DEF28D190.exe

  • Size

    1.1MB

  • Sample

    230329-adq27sea28

  • MD5

    8d491e642b1402ee5bf8d1417c437da1

  • SHA1

    cddc7a2610d738c4ddf11c1bf008e045741138d4

  • SHA256

    b76961ad3762546d1b341cbc337ac3d8a5f8def28d190ff6c7595066b4eedc72

  • SHA512

    a4dd0758bcb48344172d8a2deab3999fc3c1a7172a2cc4a437510222bdf7db4aaed80852c562c1e773d5fd0c45a531bc37e52ee5130ac72f4ebc0323a7563377

  • SSDEEP

    24576:AJ8kuxCAZLI3rjRUfM+7HeWhUsus8k9bYUE/oXc02+4:Zdqi7j3E/oM0R

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      B76961AD3762546D1B341CBC337AC3D8A5F8DEF28D190.exe

    • Size

      1.1MB

    • MD5

      8d491e642b1402ee5bf8d1417c437da1

    • SHA1

      cddc7a2610d738c4ddf11c1bf008e045741138d4

    • SHA256

      b76961ad3762546d1b341cbc337ac3d8a5f8def28d190ff6c7595066b4eedc72

    • SHA512

      a4dd0758bcb48344172d8a2deab3999fc3c1a7172a2cc4a437510222bdf7db4aaed80852c562c1e773d5fd0c45a531bc37e52ee5130ac72f4ebc0323a7563377

    • SSDEEP

      24576:AJ8kuxCAZLI3rjRUfM+7HeWhUsus8k9bYUE/oXc02+4:Zdqi7j3E/oM0R

    Score
    10/10
    dcratinfostealerpersistencerat

    • 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.

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks