Overview

overview

10

Static

static

10

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    file

  • Size

    1.2MB

  • Sample

    230125-p8nmwsgb32

  • MD5

    3e821d4b4af33a23f64c69db57770955

  • SHA1

    019742e345c39bd10f6c9bc4c1af4c2e94a5fca0

  • SHA256

    5ad5f24becf8b8653b7708edc35779128eb8cc84ddebf362121c603fd2caed04

  • SHA512

    6e7f8ea74092bbb4659f24ec629e1483fb95cf682f5eda65300cc38369848cd60512ce79cd7aa5ae70d09fba420e8de6be3841306cf3302317a69d143c114160

  • SSDEEP

    24576:U2G/nvxW3Ww0teLTGJTb/Ka2FVx0Q5eRvuiNLzrejv:UbA30yTGF/KvVd5eTNS7

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      file

    • Size

      1.2MB

    • MD5

      3e821d4b4af33a23f64c69db57770955

    • SHA1

      019742e345c39bd10f6c9bc4c1af4c2e94a5fca0

    • SHA256

      5ad5f24becf8b8653b7708edc35779128eb8cc84ddebf362121c603fd2caed04

    • SHA512

      6e7f8ea74092bbb4659f24ec629e1483fb95cf682f5eda65300cc38369848cd60512ce79cd7aa5ae70d09fba420e8de6be3841306cf3302317a69d143c114160

    • SSDEEP

      24576:U2G/nvxW3Ww0teLTGJTb/Ka2FVx0Q5eRvuiNLzrejv:UbA30yTGF/KvVd5eTNS7

    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

    • 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
    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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks