Analysis

  • max time kernel
    149s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2023 15:51

General

  • Target

    FortFire_V6.exe

  • Size

    306KB

  • MD5

    06adcf99da75a5a0441217993686f2b8

  • SHA1

    9028f5197b15fd3c047703a77888afb6969ed462

  • SHA256

    27215c86d52acc289f22159da5aa094fe57ffd92b4ecd50e8364ce7e413f7948

  • SHA512

    919333a2545a2a4c6a2e6a6bf6f065d167fccfda71224febeb85c472f8f57b882440d7526a4726066f825c1ae46204a5e1a995e1458c2d9b32e2d5cd9699ed77

  • SSDEEP

    768:YdXCfT4lMmkDgmpjuZmL6M/TjfKZKfgm3EhNDp7qwEFIZJxfx7uRT:YwTASpLL6M/TjF7EvDl6IZ75i

Malware Config

Extracted

Family

mercurialgrabber

C2

https://canary.discord.com/api/webhooks/1171148657458958417/b4eXbtxR2mg7kdanZqAf670H2pdhuCNlUO-CliCgpEeixMJqY7nW67Iqy6ZP1CwQcP9u

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.

  • Looks up external IP address via web service 2 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 4 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FortFire_V6.exe
    "C:\Users\Admin\AppData\Local\Temp\FortFire_V6.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)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    PID:3252
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1164-15-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-14-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-20-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-19-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-18-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-8-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-17-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-16-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-9-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/1164-10-0x0000029837680000-0x0000029837681000-memory.dmp

    Filesize

    4KB

  • memory/3252-0-0x0000000000A70000-0x0000000000AC2000-memory.dmp

    Filesize

    328KB

  • memory/3252-1-0x00007FFEDCDA0000-0x00007FFEDD861000-memory.dmp

    Filesize

    10.8MB

  • memory/3252-7-0x00007FFEDCDA0000-0x00007FFEDD861000-memory.dmp

    Filesize

    10.8MB

  • memory/3252-3-0x00007FFEDCDA0000-0x00007FFEDD861000-memory.dmp

    Filesize

    10.8MB

  • memory/3252-2-0x0000000002DC0000-0x0000000002DD0000-memory.dmp

    Filesize

    64KB