Overview

overview

10

Static

static

HEUR-Troja...ef.exe

windows7-x64

10

HEUR-Troja...ef.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    HEUR-Trojan-Spy.MSIL.Stealer.gen-f4d2a5c70bef.exe

  • Size

    2.5MB

  • Sample

    230201-r757naab63

  • MD5

    458572c88677fb8604b4628d451adbba

  • SHA1

    5af9fbc7e0541b288b839ed72b83e492939bf351

  • SHA256

    f4d2a5c70bef00bc9eda121795152366650bb517bd9411fdaf27d90055db6ddb

  • SHA512

    c572100414acea793f8aad39b75f92b977148c87465ed8909ad2c804b014d2277ed7b7f40f094042d1c753e9043c22e654060a296ee361f937043916339341a5

  • SSDEEP

    49152:cP8AFQKReWGfdyHnOhGyUAzN3zIelmX9xZx1Dn8eiJ7iyDZj+oD:Q8AFQKefcuhGHwPluDn8tFiEj+o

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      HEUR-Trojan-Spy.MSIL.Stealer.gen-f4d2a5c70bef.exe

    • Size

      2.5MB

    • MD5

      458572c88677fb8604b4628d451adbba

    • SHA1

      5af9fbc7e0541b288b839ed72b83e492939bf351

    • SHA256

      f4d2a5c70bef00bc9eda121795152366650bb517bd9411fdaf27d90055db6ddb

    • SHA512

      c572100414acea793f8aad39b75f92b977148c87465ed8909ad2c804b014d2277ed7b7f40f094042d1c753e9043c22e654060a296ee361f937043916339341a5

    • SSDEEP

      49152:cP8AFQKReWGfdyHnOhGyUAzN3zIelmX9xZx1Dn8eiJ7iyDZj+oD:Q8AFQKefcuhGHwPluDn8tFiEj+o

    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

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks