General

  • Target

    working key.zip

  • Size

    18KB

  • Sample

    240329-k1eb2aed86

  • MD5

    db27edd4a5250217b6ced48c54f73a14

  • SHA1

    d37756079e7748098896f398d8f9266c5ffebeff

  • SHA256

    434bee4e012adaf0088de6dbbd407b36e2dcdd5d6487d1b529492c8ffa2f82bc

  • SHA512

    be724fc408d7c86ab96b8659ebab7d81fd45c18f811bc692aa02f813ef8a11e8609eb4198ecf8bb9da4a7f3acec99c3f6db351393d688a352f2db2ee9fd7cecb

  • SSDEEP

    384:i+gLeUvwpwWFuG7kYLYBRMf6GAJKQ8NfL+nMf8tCi5FE8gm:JUQtuG7kYcsUMQC6Q8t9p

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1223007453780775012/RmQhlmaS6I4pA1jXRQPJVPP5zpVjnzimQ1bM_90lRDIoExo4TSHsD7rxDV2WS0GJ9Ema

Targets

    • Target

      working key/working key/working key.exe

    • Size

      42KB

    • MD5

      ff14bb3b31fee2eab5895bf147692528

    • SHA1

      2ee91155e0d48944c7bfc2345b0989d321d3b51e

    • SHA256

      ad2dc3e2cf9bbcff6fca8645731850e33d9f5dd19a2e864aa611c7e5cf50639b

    • SHA512

      ba5daf2fb2de19bbc2b0f038d32e720297e7b3ccd3ddea30b023ea77bec97705e949c0590d8568865e27001e7be27c9d2cd8bdc42aa4e1029bac36fd4a6f2d14

    • SSDEEP

      768:iuA5Ehi4//4MbuZAuL5vTjtKZKfgm3EhgZ:wE0aDsL5vTJF7EeZ

    • Mercurial Grabber Stealer

      Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Reads user/profile data of web browsers

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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks