Analysis

  • max time kernel
    190s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 22:32

General

  • Target

    0c816501a23b9fb6b4bd629a218bb282b6bf93d244dcc65fe028c50b5bd4d70f.exe

  • Size

    512KB

  • MD5

    20c4ca64c0d0d32a201c238cbb622575

  • SHA1

    4ae07c1746d55752820f24180cc141727d474d97

  • SHA256

    0c816501a23b9fb6b4bd629a218bb282b6bf93d244dcc65fe028c50b5bd4d70f

  • SHA512

    8b0db7352bfb961e79203f731b55be48eeb7dbd7a00a86c28570ae5d6620c13433dbe3f29784729598dd7df03cf60a4c56309b5870f42112ed9691a5bc2cf7ea

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4i:0+h9OY70z+warul3E4i

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c816501a23b9fb6b4bd629a218bb282b6bf93d244dcc65fe028c50b5bd4d70f.exe
    "C:\Users\Admin\AppData\Local\Temp\0c816501a23b9fb6b4bd629a218bb282b6bf93d244dcc65fe028c50b5bd4d70f.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Users\Admin\AppData\Local\Temp\n7173\s7173.exe
      "C:\Users\Admin\AppData\Local\Temp\n7173\s7173.exe" d35995ef58f2565c08bf1c7cGPTkGD//fZ783EGqjserK6RaayCBc33NDBvgOVOgnzSGK6sL+5GEhGpyL0I/XR5R0MrmIaukQ6kdXGReOmRgzKdvuIqq2k/LWwpzj1B3BKeUOmYJwWcgCV85oxbL+8v00A9UWr3svAv+6mt5EEt+bOuW /v "C:\Users\Admin\AppData\Local\Temp\0c816501a23b9fb6b4bd629a218bb282b6bf93d244dcc65fe028c50b5bd4d70f.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7173\s7173.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n7173\s7173.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4548-135-0x00007FF815AD0000-0x00007FF816506000-memory.dmp

    Filesize

    10.2MB

  • memory/4548-136-0x00000000017FA000-0x00000000017FF000-memory.dmp

    Filesize

    20KB

  • memory/4548-137-0x00000000017FA000-0x00000000017FF000-memory.dmp

    Filesize

    20KB

  • memory/4548-138-0x00000000017FA000-0x00000000017FF000-memory.dmp

    Filesize

    20KB