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Analysis

  • max time kernel
    171s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/11/2022, 07:03

General

  • Target

    c72094e5e52283481d3da1a72de682cc56660fda8bfb232a34db3075a82feed5.exe

  • Size

    512KB

  • MD5

    9cbbe11acd1f35693a1c4341bb3802e3

  • SHA1

    03b10a65d5994dec792c11710abda80658dc15a5

  • SHA256

    c72094e5e52283481d3da1a72de682cc56660fda8bfb232a34db3075a82feed5

  • SHA512

    a1e7d7655aca1e20d58d63177c83b1852bb888dde544c547e6d07fe54555ce1296c9ea2e158c64ab4c1a441002796af9a8b6bfeffe1eb409af0c0abf78083266

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4H:0+h9OY70z+warul3E4H

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\c72094e5e52283481d3da1a72de682cc56660fda8bfb232a34db3075a82feed5.exe
    "C:\Users\Admin\AppData\Local\Temp\c72094e5e52283481d3da1a72de682cc56660fda8bfb232a34db3075a82feed5.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:5032
    • C:\Users\Admin\AppData\Local\Temp\n6334\s6334.exe
      "C:\Users\Admin\AppData\Local\Temp\n6334\s6334.exe" 1d442c866e6b734fea0e6b75KNhavQr3pML3Rovbn7Uqh3+uLECf2sctA4aqs3o+EFnWOQzMWPwe+o40UjmST3bp5JH9yrGoWcm+bw7Pa84B/D6cuRkbXmo4e/6fUkxWl42pOJj1/YnUT2J0mk9I5ApphclZ5ko6DM8I3owPyU+ruM8G /v "C:\Users\Admin\AppData\Local\Temp\c72094e5e52283481d3da1a72de682cc56660fda8bfb232a34db3075a82feed5.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:2196

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n6334\s6334.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n6334\s6334.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2196-135-0x00007FFC85780000-0x00007FFC861B6000-memory.dmp

    Filesize

    10.2MB

  • memory/2196-136-0x00000000015FA000-0x00000000015FF000-memory.dmp

    Filesize

    20KB

  • memory/2196-137-0x00000000015FA000-0x00000000015FF000-memory.dmp

    Filesize

    20KB

  • memory/2196-138-0x00000000015FA000-0x00000000015FF000-memory.dmp

    Filesize

    20KB