Analysis

  • max time kernel
    185s
  • max time network
    222s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 23:09

General

  • Target

    f22c9c2d9501112c54be164e4a5df53279e2e42f45f1ce827b0ed0fe379474db.exe

  • Size

    512KB

  • MD5

    f4a7d6d2c881ac320708d7b528a44c51

  • SHA1

    11a8011879c8ac7534be3685bef3159582e57341

  • SHA256

    f22c9c2d9501112c54be164e4a5df53279e2e42f45f1ce827b0ed0fe379474db

  • SHA512

    963f78f8a48e6b0c1b0adac48ad55910c915e767678fcfd16ba20544ca27e655277a39c5d9a97536b9383b5bf2c8b40ebfa13033eea5dfa62e957755fa64f9d5

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4b:0+h9OY70z+warul3E4b

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 3 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\f22c9c2d9501112c54be164e4a5df53279e2e42f45f1ce827b0ed0fe379474db.exe
    "C:\Users\Admin\AppData\Local\Temp\f22c9c2d9501112c54be164e4a5df53279e2e42f45f1ce827b0ed0fe379474db.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:4200
    • C:\Users\Admin\AppData\Local\Temp\n1157\s1157.exe
      "C:\Users\Admin\AppData\Local\Temp\n1157\s1157.exe" 9e3d1f05e94452b0ea5bf3a9VXtj7O4ri7Ilf24y8fn7zkNehz3md/5GJH9fbd8n5wYhMJo/VqyyenZCM6laisOyKDz/Aal40aeYwXl9FsQZ7xhVlH23FbAKv8/jQ5j52Pnsd+6xs5x8vmJcVU6zknKhDB3QKhp9IgDdFkRrsC5rtf+m /v "C:\Users\Admin\AppData\Local\Temp\f22c9c2d9501112c54be164e4a5df53279e2e42f45f1ce827b0ed0fe379474db.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:228

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1157\s1157.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1157\s1157.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/228-136-0x000000001C3D0000-0x000000001CE06000-memory.dmp

    Filesize

    10.2MB

  • memory/228-137-0x000000000122A000-0x000000000122F000-memory.dmp

    Filesize

    20KB

  • memory/228-138-0x000000000122A000-0x000000000122F000-memory.dmp

    Filesize

    20KB

  • memory/228-139-0x000000000122A000-0x000000000122F000-memory.dmp

    Filesize

    20KB