Analysis

  • max time kernel
    118s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    20/12/2023, 15:23

General

  • Target
    d69b59702a81b47ec18daef03edbf4b2.exe
  • Size 41KB
  • Sample231220-ssvcaaefcr
  • SHA256 8bd44415728c6702c9d736a3c15fa089a6093574e1750443df16d6f0b9ed6f80
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

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 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.

  • 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d69b59702a81b47ec18daef03edbf4b2.exe
    "C:\Users\Admin\AppData\Local\Temp\d69b59702a81b47ec18daef03edbf4b2.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
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2964 -s 1904
      2⤵
        PID:1868

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
          • Size 65KB
          • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
          • MD5 SHA1 SHA512 SSDEEP

          F0ACCF77CDCBFF39F6191887F6D2D357

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
          • Size 1KB
          • SHA256 df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 dec58670f01caa01d3c92bb710f24fc0a7c1955bae7450e9a16a10c7d49e8f7d
          • MD5 SHA1 SHA512

          F0ACCF77CDCBFF39F6191887F6D2D357

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
          • Size 242B
          • SHA256 d6f920a0b8c2316f67e70972137cb78d060482bef9193b4c06a8d6ed09228c17
          • MD5 SHA1 SHA512

          Tar16C1.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Tar16C1.tmp
          • Size 171KB
          • SHA256 4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
          • MD5 SHA1 SHA512 SSDEEP

          memory/2964-0-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

          memory/2964-1-0x000007FEF58C0000-0x000007FEF62AC000-memory.dmp

          memory/2964-2-0x0000000000B40000-0x0000000000BC0000-memory.dmp

          memory/2964-89-0x000007FEF58C0000-0x000007FEF62AC000-memory.dmp

          memory/2964-90-0x0000000000B40000-0x0000000000BC0000-memory.dmp