Analysis

  • max time kernel
    51s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 01:39

General

  • Target

    675f7b73f48b080136255df871f9a0bc150ac2230f1a418c1d855d2b7f2843cd.exe

  • Size

    512KB

  • MD5

    c4a1178e8911ee2f2abdd9f5661d425a

  • SHA1

    ff34a979bbf6d23fb428b6388956d98937ffe49e

  • SHA256

    675f7b73f48b080136255df871f9a0bc150ac2230f1a418c1d855d2b7f2843cd

  • SHA512

    6e28b6e58d52eb082adaeac461e441a09f951bf0ed109606540733599f7ef1f8ac58f4438933d3ac92834c278e40d397df558109e400451f36a3e50d7f4dff35

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4S:0+h9OY70z+warul3E4S

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\675f7b73f48b080136255df871f9a0bc150ac2230f1a418c1d855d2b7f2843cd.exe
    "C:\Users\Admin\AppData\Local\Temp\675f7b73f48b080136255df871f9a0bc150ac2230f1a418c1d855d2b7f2843cd.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:2032
    • C:\Users\Admin\AppData\Local\Temp\n5614\s5614.exe
      "C:\Users\Admin\AppData\Local\Temp\n5614\s5614.exe" bd51606b15307d1904004553P1KShT6xD66zJYvIhMMAU7Ejo7jnU+mlmH4xV763tKy2dNNThr/VN6r324KLREwW8vfyvPEUj6w8OFJQWDYDo+JX6a9lFs3IJlLVWOMt1iWF2Sycwam+Ug33bXaewyuzoSYEGVb9BzuH2tECx/9oG8mf /v "C:\Users\Admin\AppData\Local\Temp\675f7b73f48b080136255df871f9a0bc150ac2230f1a418c1d855d2b7f2843cd.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:828

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5614\s5614.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/828-62-0x000007FEF48A0000-0x000007FEF52C3000-memory.dmp

          Filesize

          10.1MB

        • memory/828-63-0x000007FEF3800000-0x000007FEF4896000-memory.dmp

          Filesize

          16.6MB

        • memory/828-64-0x000007FEFC2F1000-0x000007FEFC2F3000-memory.dmp

          Filesize

          8KB

        • memory/828-65-0x0000000000BF6000-0x0000000000C15000-memory.dmp

          Filesize

          124KB

        • memory/828-66-0x000007FEEE5C0000-0x000007FEEF44F000-memory.dmp

          Filesize

          14.6MB

        • memory/828-67-0x0000000000BF6000-0x0000000000C15000-memory.dmp

          Filesize

          124KB

        • memory/828-68-0x000007FEF2D20000-0x000007FEF300A000-memory.dmp

          Filesize

          2.9MB

        • memory/828-69-0x0000000000BF6000-0x0000000000C15000-memory.dmp

          Filesize

          124KB

        • memory/2032-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

          Filesize

          8KB