Analysis

  • max time kernel
    60s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 03:51

General

  • Target

    0a87405b0118ea54f3c6f746a5fbd432336412f6969ab65a19126425a17d4d28.exe

  • Size

    512KB

  • MD5

    480a1044d8167b41411c90fb45beb086

  • SHA1

    f129f1c20399772caeb34d547fe1cfc22fcb88d0

  • SHA256

    0a87405b0118ea54f3c6f746a5fbd432336412f6969ab65a19126425a17d4d28

  • SHA512

    38e71dad9dd2f96108b2282835141184618b9a3a42298cb6a2e0395ce1305ceb41976c605062e590abd7cb65a018ee113236acc26bff554ab3d8c0c5d15ae7fd

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4f:0+h9OY70z+warul3E4f

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\0a87405b0118ea54f3c6f746a5fbd432336412f6969ab65a19126425a17d4d28.exe
    "C:\Users\Admin\AppData\Local\Temp\0a87405b0118ea54f3c6f746a5fbd432336412f6969ab65a19126425a17d4d28.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:3540
    • C:\Users\Admin\AppData\Local\Temp\n1984\s1984.exe
      "C:\Users\Admin\AppData\Local\Temp\n1984\s1984.exe" 6f65d32321ef116f3915ad7caepu22HN5vgArRa93wPeEi5CVttkcmVnLabu3yrP8zmswAwPcMliptI9j9y8UlwXZTjC3BpTRL1A2ZDWG8DcfGzDRB/R3JZ7jqdRVXXbYU1nuiEj7YE7MxVRdIgivRJq5DZ5NFtyozycrzv54M40gqgX /v "C:\Users\Admin\AppData\Local\Temp\0a87405b0118ea54f3c6f746a5fbd432336412f6969ab65a19126425a17d4d28.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:3952

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n1984\s1984.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n1984\s1984.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/3952-135-0x00007FF982D10000-0x00007FF983746000-memory.dmp

          Filesize

          10.2MB

        • memory/3952-136-0x0000000001570000-0x0000000001580000-memory.dmp

          Filesize

          64KB