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General

  • Target

    GrimLoader.exe

  • Size

    42KB

  • Sample

    250317-s6vj7sxj13

  • MD5

    735eb25f877a4980b0b76c2f065d4a70

  • SHA1

    4a8b6aed9b6a1f849d5ad34a2c362afbfbc74005

  • SHA256

    135fdc6be56667ccda9e1171eaee2adb19d13e2ec18768b9ecc029c29ed17ad9

  • SHA512

    0c50c594be3552ab274d1750a097f0439678190d4cb5eb890e86bde1a8c018a71ff13ea86daaf9aa84dff600b552ce015040e4aa6b9543b0fbc213b6c8c04c90

  • SSDEEP

    768:MmtZ5E9E//4MluZNLL9Tj+EKZKfgm3Ehkz:ZEIDkLL9TKEF7E2z

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1351217330234851339/6y7ZFPB3atPFLb0xPM7cN5NPowrs6q29FzdK-4qDAFOjpV_eXwVJoAJmvEsfgiZwHomE

Targets

    • Target

      GrimLoader.exe

    • Size

      42KB

    • MD5

      735eb25f877a4980b0b76c2f065d4a70

    • SHA1

      4a8b6aed9b6a1f849d5ad34a2c362afbfbc74005

    • SHA256

      135fdc6be56667ccda9e1171eaee2adb19d13e2ec18768b9ecc029c29ed17ad9

    • SHA512

      0c50c594be3552ab274d1750a097f0439678190d4cb5eb890e86bde1a8c018a71ff13ea86daaf9aa84dff600b552ce015040e4aa6b9543b0fbc213b6c8c04c90

    • SSDEEP

      768:MmtZ5E9E//4MluZNLL9Tj+EKZKfgm3Ehkz:ZEIDkLL9TKEF7E2z

    • Mercurial Grabber Stealer

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

    • Mercurialgrabber family

    • 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