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Analysis

  • max time kernel
    51s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 21:34

General

  • Target

    f236372fef326b9842afb5474d5c14a6469007c96e1570a232a8fa741f6245cd.exe

  • Size

    512KB

  • MD5

    2df2bfdd0f9327a2d9404f1e613e0330

  • SHA1

    6959107b1e4218a39e9c61e740d7dd1a34264fed

  • SHA256

    f236372fef326b9842afb5474d5c14a6469007c96e1570a232a8fa741f6245cd

  • SHA512

    0f2e358a87a00be9f50d93ad191c3dfe727a611c7095fffd2cfdbc01ba3332864f010c1ff3df7f3264a102fdd030cbb121ca6d3678d72ee2d1471a52bfe5d5a5

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4x:0+h9OY70z+warul3E4x

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\f236372fef326b9842afb5474d5c14a6469007c96e1570a232a8fa741f6245cd.exe
    "C:\Users\Admin\AppData\Local\Temp\f236372fef326b9842afb5474d5c14a6469007c96e1570a232a8fa741f6245cd.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:904
    • C:\Users\Admin\AppData\Local\Temp\n1116\s1116.exe
      "C:\Users\Admin\AppData\Local\Temp\n1116\s1116.exe" b3a8bffcb10725aea10de07bWdxy9OHQZYabyBDyhM8V35kTi2DM/NwWgr+bWEfBapCyredC8ikuJTON52dMJI/gWw6sG3EEuxFXgP2hzF42GvaoPuR/+SvVVeDdDLV5m8PRt98eGX7xj+lom9uXvmp0ivb9yQLDERKdDEsT2xpDnSTV /v "C:\Users\Admin\AppData\Local\Temp\f236372fef326b9842afb5474d5c14a6469007c96e1570a232a8fa741f6245cd.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1116\s1116.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • C:\Users\Admin\AppData\Local\Temp\n1116\s1116.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1116\s1116.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1116\s1116.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1116\s1116.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • \Users\Admin\AppData\Local\Temp\n1116\s1116.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/904-54-0x0000000076201000-0x0000000076203000-memory.dmp

    Filesize

    8KB

  • memory/1952-62-0x000007FEF3610000-0x000007FEF4033000-memory.dmp

    Filesize

    10.1MB

  • memory/1952-63-0x000007FEF2570000-0x000007FEF3606000-memory.dmp

    Filesize

    16.6MB

  • memory/1952-64-0x000007FEFB991000-0x000007FEFB993000-memory.dmp

    Filesize

    8KB

  • memory/1952-65-0x0000000000A86000-0x0000000000AA5000-memory.dmp

    Filesize

    124KB

  • memory/1952-66-0x000007FEEE290000-0x000007FEEF11F000-memory.dmp

    Filesize

    14.6MB

  • memory/1952-67-0x000007FEF2280000-0x000007FEF256A000-memory.dmp

    Filesize

    2.9MB

  • memory/1952-68-0x0000000000A86000-0x0000000000AA5000-memory.dmp

    Filesize

    124KB