Overview

overview

10

Static

static

10

tmp.exe

windows7-x64

10

tmp.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    tmp

  • Size

    1.3MB

  • Sample

    221003-mtfmmacgbj

  • MD5

    dae7ec3880731dcd27311b4e1dab5e49

  • SHA1

    52d88c8917cbbe4c40bf2e3a67ef8eaad2b52ffc

  • SHA256

    59a058a95f24d57c98b1801a1bc1e1545db8be230a628e2f7dcc34c0452f2d19

  • SHA512

    8064f3819c815db7cafe243de781bd7755f208ea932f383687421ecd56d610c1929426f6ca55b592e51147386f2ece42bc9b2ebb5a208381a510f9dd88d6e5da

  • SSDEEP

    24576:U2G/nvxW3Ww0t9DNb/JBH9e7mEhxFfGnNa/RABVKm:UbA30R1/wKOOgRrm

Score
10/10
dcratinfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      tmp

    • Size

      1.3MB

    • MD5

      dae7ec3880731dcd27311b4e1dab5e49

    • SHA1

      52d88c8917cbbe4c40bf2e3a67ef8eaad2b52ffc

    • SHA256

      59a058a95f24d57c98b1801a1bc1e1545db8be230a628e2f7dcc34c0452f2d19

    • SHA512

      8064f3819c815db7cafe243de781bd7755f208ea932f383687421ecd56d610c1929426f6ca55b592e51147386f2ece42bc9b2ebb5a208381a510f9dd88d6e5da

    • SSDEEP

      24576:U2G/nvxW3Ww0t9DNb/JBH9e7mEhxFfGnNa/RABVKm:UbA30R1/wKOOgRrm

    Score
    10/10
    dcratinfostealerpersistenceratspywarestealer

    • 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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Tasks