Analysis

  • max time kernel
    177s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 01:15

General

  • Target

    300d0d62db507779b7d52dd00d08bd5c3922a58dd14de3bca413aa943a16643d.exe

  • Size

    512KB

  • MD5

    7e413666565670fdd1898f79337af503

  • SHA1

    7ff6ec18a92a8f9c28602b3c0023efe15fca7bf7

  • SHA256

    300d0d62db507779b7d52dd00d08bd5c3922a58dd14de3bca413aa943a16643d

  • SHA512

    8a5b1af40f7d16c9487f442b7b1f1a70a46152e03fbc28beb00956fa566e5bbf8ef61d1fbd4af8df0a6433fee73539764227fd24ead69b152117edc941240f15

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E40:0+h9OY70z+warul3E40

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\300d0d62db507779b7d52dd00d08bd5c3922a58dd14de3bca413aa943a16643d.exe
    "C:\Users\Admin\AppData\Local\Temp\300d0d62db507779b7d52dd00d08bd5c3922a58dd14de3bca413aa943a16643d.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:1736
    • C:\Users\Admin\AppData\Local\Temp\n15\s15.exe
      "C:\Users\Admin\AppData\Local\Temp\n15\s15.exe" a75300cb4382622ed859c3b2plrSEOSveplVk8NpN+pQqX5EIsHaTC35qS8uX1SH9F3tpuXzrhikpLYp/HFk78z3IjZ6wlnpaDeIeCHz21hmEcvle9ESNuiy4Uuy22wup8Q1qLN5v3XpmW0H9JdyGDG3a4ZomXaXJdXkP6smJ+Faj3OR /v "C:\Users\Admin\AppData\Local\Temp\300d0d62db507779b7d52dd00d08bd5c3922a58dd14de3bca413aa943a16643d.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:2112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n15\s15.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n15\s15.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/2112-132-0x0000000000000000-mapping.dmp

  • memory/2112-135-0x00007FFBD2D70000-0x00007FFBD37A6000-memory.dmp

    Filesize

    10.2MB

  • memory/2112-136-0x00000000013FA000-0x00000000013FF000-memory.dmp

    Filesize

    20KB

  • memory/2112-137-0x00000000013FA000-0x00000000013FF000-memory.dmp

    Filesize

    20KB