Analysis

  • max time kernel
    145s
  • max time network
    125s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03-08-2024 04:22

General

  • Target

    ValoTestAndProof_Shift_trigger/RUN THIS.bat

  • Size

    31B

  • MD5

    e14e187f77a9609b03954baaec78914c

  • SHA1

    e5f08e9a0c97d71ee0c4bfa2c4129611615e61ec

  • SHA256

    49fe2a8d6e450608ab45236f3f787519a9c536f20b6cefe14463a264e22aa683

  • SHA512

    765f27071ff2d4c688c758ac2196a5336b938e0ebac400582c50fcb3394b0d6e85cc0e8a5b912eda23429159a84ae94cb8a807a0f4c601e27cbfc3222d847422

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/887304484844339250/sTQt9knbeiUf2bJPMZ4uxOEZ2mFmxtbw1S3JZvhKpMU-hSQtSzNllJidmjM8oJmI2wpt

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\ValoTestAndProof_Shift_trigger\RUN THIS.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Users\Admin\AppData\Local\Temp\ValoTestAndProof_Shift_trigger\mapper.exe
      mapper.exe
      2⤵
      • 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:3156
    • C:\Users\Admin\AppData\Local\Temp\ValoTestAndProof_Shift_trigger\files.exe
      files.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3156-0-0x00007FFB1B973000-0x00007FFB1B975000-memory.dmp

    Filesize

    8KB

  • memory/3156-1-0x0000000000780000-0x0000000000790000-memory.dmp

    Filesize

    64KB

  • memory/3156-2-0x00007FFB1B970000-0x00007FFB1C432000-memory.dmp

    Filesize

    10.8MB

  • memory/3156-6-0x00007FFB1B970000-0x00007FFB1C432000-memory.dmp

    Filesize

    10.8MB

  • memory/4652-7-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB

  • memory/4652-8-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB

  • memory/4652-9-0x0000000000400000-0x00000000004FC000-memory.dmp

    Filesize

    1008KB