Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 00:38

General

  • Target

    1d79183494f4d8dd4a7425e90cc20dd6.exe

  • Size

    512KB

  • MD5

    1d79183494f4d8dd4a7425e90cc20dd6

  • SHA1

    265ae6ebe9057de09ef3f391dc30403d07eeca04

  • SHA256

    05c426aafe413993999e740f8f6a3c492e6d05ee4dddc7509a1540faf132d46c

  • SHA512

    5693f0662d2ef36aa921b8f6f5c26e22cfac1dcbe1bf7a41f733ac2e53adc9b88c415aa18e13ab85e6af7428642a3292acf4cc0c39a0e51138c749d2a6bd15bb

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E42:0+h9OY70z+warul3E42

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\1d79183494f4d8dd4a7425e90cc20dd6.exe
    "C:\Users\Admin\AppData\Local\Temp\1d79183494f4d8dd4a7425e90cc20dd6.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:2220
    • C:\Users\Admin\AppData\Local\Temp\n3749\s3749.exe
      "C:\Users\Admin\AppData\Local\Temp\n3749\s3749.exe" 4ae169a38f60697003c8149eBN/7gSfq9DqtXtwjgxPtTe2jNz8oLIP5X9bWAX22tnmMg3s0L8P+BZEtYSRLpekyKtbWrDpvXUenPdZl6HHS3M+6nUtYmovppVqzqMmfBcBaAS7wcGLx1NLVxqAvOl2itJNB70KiU6G8fOHJZSO1oRMT /v "C:\Users\Admin\AppData\Local\Temp\1d79183494f4d8dd4a7425e90cc20dd6.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2876

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\n3749\s3749.exe

          Filesize

          92KB

          MD5

          894622610cd7180155eed2a517369a92

          SHA1

          0fc3d6f4b034a8fd23ce2b75c07fb3bc45a5e798

          SHA256

          0aaef338bef64d71746c2242b024898c62a66399f0f8c2906f43051ebdf5beb7

          SHA512

          f8832ed64f96b7f1bcc0132594a87dc5ce283910b808d5534abef32e703aa15ecd5831a2f89509576ca90338ebb1a5fe96d2e5f2229f3930d49f718c5b8fe580

        • \Users\Admin\AppData\Local\Temp\n3749\s3749.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/2876-79-0x0000000000BB0000-0x0000000000C30000-memory.dmp

          Filesize

          512KB

        • memory/2876-16-0x0000000000BB0000-0x0000000000C30000-memory.dmp

          Filesize

          512KB

        • memory/2876-77-0x00000000002E0000-0x00000000002F2000-memory.dmp

          Filesize

          72KB

        • memory/2876-15-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2876-78-0x0000000000BB0000-0x0000000000C30000-memory.dmp

          Filesize

          512KB

        • memory/2876-80-0x0000000000BB0000-0x0000000000C30000-memory.dmp

          Filesize

          512KB

        • memory/2876-82-0x0000000000BB0000-0x0000000000C30000-memory.dmp

          Filesize

          512KB

        • memory/2876-81-0x0000000000BB0000-0x0000000000C30000-memory.dmp

          Filesize

          512KB

        • memory/2876-83-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

          Filesize

          9.6MB

        • memory/2876-84-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

          Filesize

          9.6MB