General

  • Target

    old.png

  • Size

    17KB

  • Sample

    240305-1wltbaaf4x

  • MD5

    57756cbd28420c53f0386199439e29dd

  • SHA1

    76a4c6c22e0128765766723e6061e8c09f2fe93d

  • SHA256

    0a33b3825e6e2d36454ce699427b72d77efb42a325ca6c129f196bbfa110cfc8

  • SHA512

    1c60a168d5a9d5efc5b7076d8df274923c874232fc5af7faa2b8c0da5e163b9deb2c1935d7a87509b42d3704c326187757593af1b408ca5b04b66ae66f007514

  • SSDEEP

    384:wPey7QQ1W89JqM6sI9vv/cbwACP7P7P7P7P7P7P7P7P7P7P7P7P7P7P7PbP7P7Pf:wP8uW8Zin/uwPP7P7P7P7P7P7P7P7P7z

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1214695297746341938/_us1M0Q_dTgQ7ImKse02m3rii-Z_xF72hUVDiIBdlIAi20o0rAsQNRMjwr4E8pHojg8W

Targets

    • Target

      old.png

    • Size

      17KB

    • MD5

      57756cbd28420c53f0386199439e29dd

    • SHA1

      76a4c6c22e0128765766723e6061e8c09f2fe93d

    • SHA256

      0a33b3825e6e2d36454ce699427b72d77efb42a325ca6c129f196bbfa110cfc8

    • SHA512

      1c60a168d5a9d5efc5b7076d8df274923c874232fc5af7faa2b8c0da5e163b9deb2c1935d7a87509b42d3704c326187757593af1b408ca5b04b66ae66f007514

    • SSDEEP

      384:wPey7QQ1W89JqM6sI9vv/cbwACP7P7P7P7P7P7P7P7P7P7P7P7P7P7P7PbP7P7Pf:wP8uW8Zin/uwPP7P7P7P7P7P7P7P7P7z

    • 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

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • 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.

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks