Analysis

  • max time kernel
    124s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 20:44

General

  • Target

    solara fixed.exe

  • Size

    42KB

  • MD5

    ba7260927235f92f78eff5e8e82da1af

  • SHA1

    d82d5a28d0b0f688385e0478c8bbdaaa3bffbcef

  • SHA256

    c0cb117746fb41754067205ef04f88d9f51212825678a9761dd96604a0118bb2

  • SHA512

    a4bd2f5c6f15d8925a40ae0dc5567ad26fbee22f3e0357ff8d4e7b4784097eecd48fbfed22ec49d87d5a70f4c7e6bf30ae1c1362e3bf0265461826ce5bdb40ee

  • SSDEEP

    768:i4oUyLvnDylOcIuZnLO0YTj0KZKfgm3EhO+:GdjnD9cBLOtTgF7Es+

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1293675192106877011/uBYdl54QTqHJ58vFoe-OKreDxwD-f3D8N0iSVRM5Z9ASoc5jOxeIG-rwdBs7sGK59emG

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 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • 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 1 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 use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\solara fixed.exe
    "C:\Users\Admin\AppData\Local\Temp\solara fixed.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:2112

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2112-0-0x00007FFA102C3000-0x00007FFA102C5000-memory.dmp

    Filesize

    8KB

  • memory/2112-1-0x0000000000D10000-0x0000000000D20000-memory.dmp

    Filesize

    64KB

  • memory/2112-2-0x00007FFA102C0000-0x00007FFA10D81000-memory.dmp

    Filesize

    10.8MB

  • memory/2112-3-0x00007FFA102C3000-0x00007FFA102C5000-memory.dmp

    Filesize

    8KB

  • memory/2112-4-0x00007FFA102C0000-0x00007FFA10D81000-memory.dmp

    Filesize

    10.8MB