Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2023 06:03

General

  • Target

    output.exe

  • Size

    41KB

  • MD5

    4f44a74b82f5b05dfe9474538009c0b6

  • SHA1

    b274532d0a88ba4b49cf6e4f08b3074aa3eb8ee1

  • SHA256

    48c7a3baf593016604a12523991918dde59315ec4bffe694cd439c1c8f53b049

  • SHA512

    2bbdea4451ae1916986596c12e05266bd3c48308759a296906339f40ad4dfffda8d875c03aa0bfbef53c95054540415b55fd4a9be0437d74e1649b29e76f7f46

  • SSDEEP

    768:pscoSf3GMXfT6axpDXswguZkeTWTjxKZKfgm3EhZq:2coSfnxEeTWTlF7EPq

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 4 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.

  • Program crash 1 IoCs
  • 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\output.exe
    "C:\Users\Admin\AppData\Local\Temp\output.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:1016
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1016 -s 2080
      2⤵
      • Program crash
      PID:4128
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 468 -p 1016 -ip 1016
    1⤵
      PID:4724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1016-0-0x00000000000B0000-0x00000000000C0000-memory.dmp

      Filesize

      64KB

    • memory/1016-1-0x00007FFC43400000-0x00007FFC43EC1000-memory.dmp

      Filesize

      10.8MB

    • memory/1016-2-0x000000001AC50000-0x000000001AC60000-memory.dmp

      Filesize

      64KB

    • memory/1016-6-0x00007FFC43400000-0x00007FFC43EC1000-memory.dmp

      Filesize

      10.8MB