Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 16:58

General

  • Target

    7e7fdda992ee5496837a3553b3fdf60a.exe

  • Size

    41KB

  • MD5

    7e7fdda992ee5496837a3553b3fdf60a

  • SHA1

    7ca7c88288afbf541825127bfd6ea6e46ac0d21d

  • SHA256

    9b7152d2053180c5d13f303ec815a437cc1d6f8d19a9cfb39e02741d7a3feab1

  • SHA512

    99a28517118ee6df71e2ad609338d9b6f795ff5cd27ef65e8d0c9f71a2b1632c4edda02da1686bef06c47f1682b3245b03a796b6a7137fd63eeb0ac590c56fa9

  • SSDEEP

    768:JscG4ApfT6aWpDXswAuZkexWTjQKZKfgm3EhNN:WcKfnWkexWTMF7E/N

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/868873062756548618/M7jr5VWJMFGIVUmSk7foumdHsHfjOS_MZWS_Pp_J4YkgYsVd8TPJU1URrMihfDokc1nl

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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.exe
    "C:\Users\Admin\AppData\Local\Temp\7e7fdda992ee5496837a3553b3fdf60a.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
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2028 -s 1004
      2⤵
        PID:2776

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2028-0-0x0000000000FC0000-0x0000000000FD0000-memory.dmp

      Filesize

      64KB

    • memory/2028-1-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/2028-5-0x000000001AAE0000-0x000000001AB60000-memory.dmp

      Filesize

      512KB

    • memory/2028-6-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/2028-7-0x000000001AAE0000-0x000000001AB60000-memory.dmp

      Filesize

      512KB