Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 18:21

General

  • Target

    3417e38fb9c72a5c38d2be53b9639f97.exe

  • Size

    512KB

  • MD5

    3417e38fb9c72a5c38d2be53b9639f97

  • SHA1

    bfb066aaaaab46f94765a9533945e002dd52c269

  • SHA256

    21d42de417cc386e79a43c45f6f88b77a5c0335a09c9cd900cbfeb365486259d

  • SHA512

    c443e166a6c4a5400fc1e7460fe71f1f36198048226d3f0a16eb027ffd66f545877218428705145bcf8801395c3780a48f1d654a18045e11b5d1c43a1faffd11

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4w:0+h9OY70z+warul3E4w

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).

  • 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\3417e38fb9c72a5c38d2be53b9639f97.exe
    "C:\Users\Admin\AppData\Local\Temp\3417e38fb9c72a5c38d2be53b9639f97.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:2364
    • C:\Users\Admin\AppData\Local\Temp\n5212\s5212.exe
      "C:\Users\Admin\AppData\Local\Temp\n5212\s5212.exe" ca56fee4812efff006f111a4QZ1QU4hi880HqV3wXgo7K0DZnApRI5FYkGgLr1NT9RvaEcO3Mw6+7rXEhDGJ1+sHfoiEn9O6YRnwwOXlW9V3I4C9LHO0nMgnDtvtU9Cz9z4Sb/Bn9Tu0W+W/wojh70YmB3Tu/O5gozzeVGyH4kJxhkjN /v "C:\Users\Admin\AppData\Local\Temp\3417e38fb9c72a5c38d2be53b9639f97.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2672

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Cab35E1.tmp

          Filesize

          65KB

          MD5

          ac05d27423a85adc1622c714f2cb6184

          SHA1

          b0fe2b1abddb97837ea0195be70ab2ff14d43198

          SHA256

          c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

          SHA512

          6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

        • C:\Users\Admin\AppData\Local\Temp\Tar35F4.tmp

          Filesize

          92KB

          MD5

          71e4ce8b3a1b89f335a6936bbdafce4c

          SHA1

          6e0d450eb5f316a9924b3e58445b26bfb727001e

          SHA256

          a5edfae1527d0c8d9fe5e7a2c5c21b671e61f9981f3bcf9e8cc9f9bb9f3b44c5

          SHA512

          b80af88699330e1ff01e409daabdedeef350fe7d192724dfa8622afa71e132076144175f6e097f8136f1bba44c7cb30cfdd0414dbe4e0a4712b3bad7b70aeff7

        • C:\Users\Admin\AppData\Local\Temp\n5212\s5212.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/2672-73-0x0000000000AD0000-0x0000000000B50000-memory.dmp

          Filesize

          512KB

        • memory/2672-22-0x000007FEF5750000-0x000007FEF60ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2672-72-0x0000000000450000-0x0000000000462000-memory.dmp

          Filesize

          72KB

        • memory/2672-23-0x0000000000AD0000-0x0000000000B50000-memory.dmp

          Filesize

          512KB

        • memory/2672-74-0x0000000000AD0000-0x0000000000B50000-memory.dmp

          Filesize

          512KB

        • memory/2672-75-0x0000000000AD0000-0x0000000000B50000-memory.dmp

          Filesize

          512KB

        • memory/2672-78-0x0000000000AD0000-0x0000000000B50000-memory.dmp

          Filesize

          512KB

        • memory/2672-77-0x0000000000AD0000-0x0000000000B50000-memory.dmp

          Filesize

          512KB

        • memory/2672-76-0x000007FEF5750000-0x000007FEF60ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2672-79-0x000007FEF5750000-0x000007FEF60ED000-memory.dmp

          Filesize

          9.6MB