Overview

overview

10

Static

static

10

jjj.exe

windows10-2004-x64

9

jjj.exe

windows11-ltsc_2024-x64

7

Sharing

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General

  • Target
    jjj.exe
  • Size 3.4MB
  • Sample261107-md7feaxwhs
  • SHA256 c58edf983f6c0ddaad71152ac4bfef9640683e60f83ed9cd7ebec3e55012770a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
darkcorediscoveryransomwareratspywarestealerupx

Malware Config

Extracted

Family

  • darkcore

C2

  • yyjwbb26hnb72gtyvar4o25mqflewy4zbj62a4qjf7fo7rwsxeablbad.onion:9051

Targets

    • Target
      jjj.exe
    • Size 3.4MB
    • SHA256 c58edf983f6c0ddaad71152ac4bfef9640683e60f83ed9cd7ebec3e55012770a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    discoveryransomwarespywarestealerupx

    • Renames multiple (222) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks