Analysis

  • max time kernel
    43s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 11:13

General

  • Target

    571a00e9f20b5ec0098d03658bc4bb9a5f93bc7531bf3cfce03bcf95ed5db23f.exe

  • Size

    512KB

  • MD5

    cabd8bf5bdee3989b861cd7aecb0bdec

  • SHA1

    263e485979c552fb368566e56656270640e02d63

  • SHA256

    571a00e9f20b5ec0098d03658bc4bb9a5f93bc7531bf3cfce03bcf95ed5db23f

  • SHA512

    5c47a1debcc768825513c8e8f91ad01e386ef8e48cf2d48241fe8c34c91b72f725736de5215e9d6bc8d9ed9ad1902893f7abffbb6a3f8665e0bba085224c5bb4

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E47:0+h9OY70z+warul3E47

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\571a00e9f20b5ec0098d03658bc4bb9a5f93bc7531bf3cfce03bcf95ed5db23f.exe
    "C:\Users\Admin\AppData\Local\Temp\571a00e9f20b5ec0098d03658bc4bb9a5f93bc7531bf3cfce03bcf95ed5db23f.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\n8820\s8820.exe
      "C:\Users\Admin\AppData\Local\Temp\n8820\s8820.exe" 30d9d1ab1738120b8607f3a5bfsULk83rE527lr8qT4DEEl7eN2/wMCqB/y1w0KMKwAdizkRdm1vnZhzRiMZS9PQKz3yZ/oJpjInaVV01UyhW9e/ARW365smHhwk4Gyecervxbj+29E60zsrGzIJkEY3LrzEK/dT4RjSd0VqaEHIy0LJ /v "C:\Users\Admin\AppData\Local\Temp\571a00e9f20b5ec0098d03658bc4bb9a5f93bc7531bf3cfce03bcf95ed5db23f.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2012

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8820\s8820.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n8820\s8820.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8820\s8820.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8820\s8820.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8820\s8820.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n8820\s8820.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1380-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

    Filesize

    8KB

  • memory/2012-62-0x000007FEF3C50000-0x000007FEF4673000-memory.dmp

    Filesize

    10.1MB

  • memory/2012-63-0x000007FEF2BB0000-0x000007FEF3C46000-memory.dmp

    Filesize

    16.6MB

  • memory/2012-64-0x0000000000956000-0x0000000000975000-memory.dmp

    Filesize

    124KB

  • memory/2012-65-0x000007FEED8F0000-0x000007FEEE77F000-memory.dmp

    Filesize

    14.6MB

  • memory/2012-66-0x000007FEF20D0000-0x000007FEF23BA000-memory.dmp

    Filesize

    2.9MB

  • memory/2012-67-0x0000000000956000-0x0000000000975000-memory.dmp

    Filesize

    124KB