General

  • Target

    3bc84c0e8831842f2ae263789217245d.exe

  • Size

    128KB

  • Sample

    210425-b1ee5l12sa

  • MD5

    3bc84c0e8831842f2ae263789217245d

  • SHA1

    d60b174c7f8372036da1eb0a955200b1bb244387

  • SHA256

    757e7c2569cc52c9e1639fbca06e957cb40f775d5cb1a8aafa670131b62b0824

  • SHA512

    f3117a6bd79db1d67dce2c67d539c56c177caed9f0b5b019dfb0034f28cb2e79e248893171c2ad78cbca358c2f5813edb17f0126ab40cfe08f9a6357f233f2e4

Malware Config

Extracted

Family

fickerstealer

C2

sodaandcoke.top:80

Targets

    • Target

      3bc84c0e8831842f2ae263789217245d.exe

    • Size

      128KB

    • MD5

      3bc84c0e8831842f2ae263789217245d

    • SHA1

      d60b174c7f8372036da1eb0a955200b1bb244387

    • SHA256

      757e7c2569cc52c9e1639fbca06e957cb40f775d5cb1a8aafa670131b62b0824

    • SHA512

      f3117a6bd79db1d67dce2c67d539c56c177caed9f0b5b019dfb0034f28cb2e79e248893171c2ad78cbca358c2f5813edb17f0126ab40cfe08f9a6357f233f2e4

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • fickerstealer

      Ficker is an infostealer written in Rust and ASM.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner Payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks