Analysis

  • max time kernel
    10s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2024 19:13

General

  • Target

    neverlose.cc.exe

  • Size

    42KB

  • MD5

    799b611bf53a4d81c582975164dea8e6

  • SHA1

    f0b24b3a85c03dc39e3af311895c706607aa719c

  • SHA256

    eb1bb9072736b6fceb8141943391dc0873ca6a480068d062fda5a66aaa1bc61f

  • SHA512

    48a850ff37ebe23c6f165370c55fe51801f949595bacedb9e4e44b7cf1e872d0b8bc8ff1fe012791171c564f727579b5fae5145a06ba02914960e08dc2fe877e

  • SSDEEP

    768:Bn3gimKLvZabTTylO0NuZ2LwGTj6KZKfgm3Eh2R:Bn36KjZabTT90DLwGTOF7EwR

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/1231275287602401372/tnvz52YPN4SEZqeyqi5xt67hyeRrJVA78nYyA2zieUyrlo5GgIb0qk66Ov_xzbSxeLyE

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 5 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\neverlose.cc.exe
    "C:\Users\Admin\AppData\Local\Temp\neverlose.cc.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
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2460 -s 1764
      2⤵
        PID:2532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2460-0-0x0000000000CB0000-0x0000000000CC0000-memory.dmp

      Filesize

      64KB

    • memory/2460-1-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmp

      Filesize

      9.9MB

    • memory/2460-2-0x000000001B000000-0x000000001B080000-memory.dmp

      Filesize

      512KB

    • memory/2460-6-0x000007FEF6020000-0x000007FEF6A0C000-memory.dmp

      Filesize

      9.9MB