Analysis

  • max time kernel
    49s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:14

General

  • Target

    af8fe2417b90765a7fbc0b541242511e324369f5fc3016f249182d69c80edaed.exe

  • Size

    512KB

  • MD5

    7e2c16122b1783da61823418ab618838

  • SHA1

    f965760aaeb7920ad12d2c0a560f391ed7a2cd65

  • SHA256

    af8fe2417b90765a7fbc0b541242511e324369f5fc3016f249182d69c80edaed

  • SHA512

    3ed8687d2d3288712e0d3dbba59bab772cc62b50362d42ec9b4361313f071253a2baac0ea4409db10f6b458bf8c8ad850b40208f83a071056867f5539b59a40e

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4k:0+h9OY70z+warul3E4k

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\af8fe2417b90765a7fbc0b541242511e324369f5fc3016f249182d69c80edaed.exe
    "C:\Users\Admin\AppData\Local\Temp\af8fe2417b90765a7fbc0b541242511e324369f5fc3016f249182d69c80edaed.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:1896
    • C:\Users\Admin\AppData\Local\Temp\n1668\s1668.exe
      "C:\Users\Admin\AppData\Local\Temp\n1668\s1668.exe" 4afe33c2b96fdad1f91f41991W189OLpYHJAO1HJrFKBmADBq0cnMVhUM7qTFLzxLSV4/h/UwsrdDG4R6ddq6rBHXV3dmK8RDyXmsCPxuvfmtZP478dQEQApRwSM2mkE+F0BkLqm0q9eE+STZd8TjlSW7E2aTFLoSZ/5wk6qmnBAuN33 /v "C:\Users\Admin\AppData\Local\Temp\af8fe2417b90765a7fbc0b541242511e324369f5fc3016f249182d69c80edaed.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1696

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n1668\s1668.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n1668\s1668.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n1668\s1668.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n1668\s1668.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n1668\s1668.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n1668\s1668.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1696-62-0x000007FEF4230000-0x000007FEF4C53000-memory.dmp

          Filesize

          10.1MB

        • memory/1696-63-0x000007FEF2F50000-0x000007FEF3FE6000-memory.dmp

          Filesize

          16.6MB

        • memory/1696-64-0x000007FEFBDB1000-0x000007FEFBDB3000-memory.dmp

          Filesize

          8KB

        • memory/1696-65-0x0000000000C16000-0x0000000000C35000-memory.dmp

          Filesize

          124KB

        • memory/1696-66-0x000007FEEE430000-0x000007FEEF2BF000-memory.dmp

          Filesize

          14.6MB

        • memory/1696-67-0x000007FEF1ED0000-0x000007FEF21BA000-memory.dmp

          Filesize

          2.9MB

        • memory/1696-68-0x0000000000C16000-0x0000000000C35000-memory.dmp

          Filesize

          124KB

        • memory/1896-54-0x0000000075201000-0x0000000075203000-memory.dmp

          Filesize

          8KB