Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 14:25

General

  • Target

    39c39551d8e303c5cfeae5a5578caca8.exe

  • Size

    41KB

  • MD5

    39c39551d8e303c5cfeae5a5578caca8

  • SHA1

    310e4068365562cca6c1d4c977646dd8bee5a6ce

  • SHA256

    a02c98421b1b97d3a1d71265382a568174bb9d7102d403e7ea8d30f410f10995

  • SHA512

    558e1ad709cd9ece53111c9bef2d562a9202f1858930e23c10ebb53d74682f3cd97afa03949ced09b4f740ad6c4085419beff02e1b5ef8b8a6eb9bce18c096e4

  • SSDEEP

    768:1scG4A07Q+SDzcwGuZheIkWTjqKZKfgm3Eh0y:icBQ+iNeIkWTmF7Eay

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/870989634480533574/j40DB57MdDja9eYV-8VNs5wn3Bp9tyYjFGBFC6xEdCMdgSqWpFKD6UNszrGRuiuuQvhi

Signatures

  • 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 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 3 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39c39551d8e303c5cfeae5a5578caca8.exe
    "C:\Users\Admin\AppData\Local\Temp\39c39551d8e303c5cfeae5a5578caca8.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2828-0-0x0000000000790000-0x00000000007A0000-memory.dmp

    Filesize

    64KB

  • memory/2828-2-0x000000001B3E0000-0x000000001B3F0000-memory.dmp

    Filesize

    64KB

  • memory/2828-1-0x00007FFC0B790000-0x00007FFC0C251000-memory.dmp

    Filesize

    10.8MB

  • memory/2828-6-0x00007FFC0B790000-0x00007FFC0C251000-memory.dmp

    Filesize

    10.8MB