Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 14:07

General

  • Target

    392f44ce7b449ddd2b33438556ada906.exe

  • Size

    512KB

  • MD5

    392f44ce7b449ddd2b33438556ada906

  • SHA1

    bdacbd73deff61fd089b8d603e1356962772cdd8

  • SHA256

    060e5477726872a5760e8c20d65c8ae8ee032a0158eadaa1c88f4a15cec2789d

  • SHA512

    87897d1bcc21b0dc6ceb8d500ff37694b8611d28c5f93fdd96fcf2e7ce012339e9e622b2a9fd7e40f7a938c726ae2555accc946a5a8d2954081ff03c6de7c8b3

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4n:0+h9OY70z+warul3E4n

Score
9/10

Malware Config

Signatures

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

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

  • Executes dropped EXE 1 IoCs
  • 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).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 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\392f44ce7b449ddd2b33438556ada906.exe
    "C:\Users\Admin\AppData\Local\Temp\392f44ce7b449ddd2b33438556ada906.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:1460
    • C:\Users\Admin\AppData\Local\Temp\n3359\s3359.exe
      "C:\Users\Admin\AppData\Local\Temp\n3359\s3359.exe" a07c4089fe6f09ba578c6079g1iD6gc46dBz7bQPUmuSw1mV721LnzBaDxQVUbf6pQ4fD6i9r524b9IUv8g3RMuxycLfan+k5T0Qe28GT1uhVf8lumAzyL+2d8SS7lZRA3YvlBKO4GMDDAVg6PGJnYZCZY/i7xYu/lXd0w+35YYdrmvr /v "C:\Users\Admin\AppData\Local\Temp\392f44ce7b449ddd2b33438556ada906.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:2324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3359\s3359.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2324-12-0x00007FFA4A8A0000-0x00007FFA4B241000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-13-0x0000000000B90000-0x0000000000BA0000-memory.dmp

    Filesize

    64KB

  • memory/2324-29-0x000000001B690000-0x000000001B6A2000-memory.dmp

    Filesize

    72KB

  • memory/2324-32-0x000000001C140000-0x000000001C60E000-memory.dmp

    Filesize

    4.8MB

  • memory/2324-33-0x000000001C6B0000-0x000000001C74C000-memory.dmp

    Filesize

    624KB

  • memory/2324-34-0x000000001C860000-0x000000001C8C2000-memory.dmp

    Filesize

    392KB

  • memory/2324-35-0x0000000000B90000-0x0000000000BA0000-memory.dmp

    Filesize

    64KB

  • memory/2324-36-0x000000001BC00000-0x000000001BC08000-memory.dmp

    Filesize

    32KB

  • memory/2324-38-0x0000000000B90000-0x0000000000BA0000-memory.dmp

    Filesize

    64KB

  • memory/2324-37-0x0000000000B90000-0x0000000000BA0000-memory.dmp

    Filesize

    64KB

  • memory/2324-40-0x0000000000B90000-0x0000000000BA0000-memory.dmp

    Filesize

    64KB

  • memory/2324-39-0x0000000000B90000-0x0000000000BA0000-memory.dmp

    Filesize

    64KB

  • memory/2324-41-0x0000000020410000-0x000000002091E000-memory.dmp

    Filesize

    5.1MB

  • memory/2324-42-0x000000001DE80000-0x000000001DFBC000-memory.dmp

    Filesize

    1.2MB

  • memory/2324-43-0x00007FFA4A8A0000-0x00007FFA4B241000-memory.dmp

    Filesize

    9.6MB

  • memory/2324-44-0x0000000000B90000-0x0000000000BA0000-memory.dmp

    Filesize

    64KB

  • memory/2324-46-0x00007FFA4A8A0000-0x00007FFA4B241000-memory.dmp

    Filesize

    9.6MB