Analysis

  • max time kernel
    154s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 23:26

General

  • Target

    0a232e53f143e950c0fce2ffe484da22e0b6e19ce42ac0ddbd9f19c4a6580e84.exe

  • Size

    512KB

  • MD5

    a5c795fdf18dbb17cd791cfc20fafc75

  • SHA1

    f7ebf9d9ea1291aff999fa4936f4628f7b32ec49

  • SHA256

    0a232e53f143e950c0fce2ffe484da22e0b6e19ce42ac0ddbd9f19c4a6580e84

  • SHA512

    bde36067b82cdeb1344fb8be81bafa6faddd5f5414d3d108d3d20d208a2455088db00ecf94eed7f2e191c28ffa25682672af80afdf7d2b2090349ddbbd198fb3

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4T:0+h9OY70z+warul3E4T

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\0a232e53f143e950c0fce2ffe484da22e0b6e19ce42ac0ddbd9f19c4a6580e84.exe
    "C:\Users\Admin\AppData\Local\Temp\0a232e53f143e950c0fce2ffe484da22e0b6e19ce42ac0ddbd9f19c4a6580e84.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:1744
    • C:\Users\Admin\AppData\Local\Temp\n5500\s5500.exe
      "C:\Users\Admin\AppData\Local\Temp\n5500\s5500.exe" 2861dd69a06963412aa5e8f5BsATBR0LRljiKmC47GBXDdJiJ08ZHATUK1gftlpgA/o8e0NVI1Q6gE+WYEef67fJqglhVUyCLxNkYQWOJBRxw1cxQMv5WLa03Ni97YNvwK/CDTApzUo0ABWCZt6A5rsN4sqdStigsYvxWwd6C++jsU21 /v "C:\Users\Admin\AppData\Local\Temp\0a232e53f143e950c0fce2ffe484da22e0b6e19ce42ac0ddbd9f19c4a6580e84.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:908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5500\s5500.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n5500\s5500.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/908-135-0x00007FF904070000-0x00007FF904AA6000-memory.dmp

    Filesize

    10.2MB

  • memory/908-136-0x00000000013DA000-0x00000000013DF000-memory.dmp

    Filesize

    20KB

  • memory/908-137-0x00000000013DA000-0x00000000013DF000-memory.dmp

    Filesize

    20KB

  • memory/908-138-0x00000000013DA000-0x00000000013DF000-memory.dmp

    Filesize

    20KB