General

  • Target

    LoaderSilk.exe.bin

  • Size

    42KB

  • Sample

    230505-zldvaagd6t

  • MD5

    4bd94d1ef2702af00052052451777cb3

  • SHA1

    65cfe31686c13b9361a82fcdb4a32511abb531e2

  • SHA256

    d005649757cda30c96251fa9d2d1dce71433af9190b924730238532046c1fdfc

  • SHA512

    8545be3e799c72c050c59f67a40d11205503268b1875fa8c1ae8d8c0398b3110168fb5611c32981b3f3e35191b36c9aeb35982c4a2da0a1c844d01ccce93fe11

  • SSDEEP

    768:7XutmYM4lMmMFbb9mpiuZnLuGTj+KZKfgm3EhAx:0MAqbbIpjLuGTKF7EOx

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1102013447467696189/X2EPk6Eghk0_VSVfWoxxI1jhhmJws3jaP0srs2z-qGBe1kNQAmpH9LqJm_iAArUVB2uD

Targets

    • Target

      LoaderSilk.exe.bin

    • Size

      42KB

    • MD5

      4bd94d1ef2702af00052052451777cb3

    • SHA1

      65cfe31686c13b9361a82fcdb4a32511abb531e2

    • SHA256

      d005649757cda30c96251fa9d2d1dce71433af9190b924730238532046c1fdfc

    • SHA512

      8545be3e799c72c050c59f67a40d11205503268b1875fa8c1ae8d8c0398b3110168fb5611c32981b3f3e35191b36c9aeb35982c4a2da0a1c844d01ccce93fe11

    • SSDEEP

      768:7XutmYM4lMmMFbb9mpiuZnLuGTj+KZKfgm3EhAx:0MAqbbIpjLuGTKF7EOx

    • 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 v6

Tasks