Analysis

  • max time kernel
    72s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 06:52

General

  • Target

    df464ec99f728210b063fe530d07ff186c6dd005ac3cb68528743cc559fc09e8.exe

  • Size

    512KB

  • MD5

    99267743f2b62192a5dd8fb095bd3f9d

  • SHA1

    29370574692fd32ca7ef7cb5e97334a5c110736e

  • SHA256

    df464ec99f728210b063fe530d07ff186c6dd005ac3cb68528743cc559fc09e8

  • SHA512

    b553c6eed94ffb8c1e23584f27e13d87bdbe3c08acc9eab86bf154dcd4b59593a4e0e302e84cb69f88e9ce9a1a016a67b98dc7a8149c48fd055ea6e3b5f4cf64

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4L:0+h9OY70z+warul3E4L

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\df464ec99f728210b063fe530d07ff186c6dd005ac3cb68528743cc559fc09e8.exe
    "C:\Users\Admin\AppData\Local\Temp\df464ec99f728210b063fe530d07ff186c6dd005ac3cb68528743cc559fc09e8.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:1532
    • C:\Users\Admin\AppData\Local\Temp\n3301\s3301.exe
      "C:\Users\Admin\AppData\Local\Temp\n3301\s3301.exe" 54d8c4ca45700c907ba32f01DyGc3jBTYLksTKMKW+m0aQ76GME/Hi+btdeh+3o2d3yFyDiGVD6P+IbiXL/JRa14CPpvjW17k1pvTP9Xnqn5i+ZVHzImQwB7BNn1MjpZYLsJ7BPdLxUzkfL1TxrEvbbhy3HO2gJjfBrMHvVdfUs4NvRq /v "C:\Users\Admin\AppData\Local\Temp\df464ec99f728210b063fe530d07ff186c6dd005ac3cb68528743cc559fc09e8.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:936

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n3301\s3301.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n3301\s3301.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3301\s3301.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3301\s3301.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3301\s3301.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n3301\s3301.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/936-62-0x000007FEF3300000-0x000007FEF3D23000-memory.dmp

          Filesize

          10.1MB

        • memory/936-63-0x000007FEF2020000-0x000007FEF30B6000-memory.dmp

          Filesize

          16.6MB

        • memory/936-65-0x0000000000266000-0x0000000000285000-memory.dmp

          Filesize

          124KB

        • memory/936-64-0x000007FEED220000-0x000007FEEE0AF000-memory.dmp

          Filesize

          14.6MB

        • memory/936-66-0x000007FEEEC90000-0x000007FEEEF7A000-memory.dmp

          Filesize

          2.9MB

        • memory/936-67-0x0000000000266000-0x0000000000285000-memory.dmp

          Filesize

          124KB

        • memory/1532-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

          Filesize

          8KB