Analysis

  • max time kernel
    78s
  • max time network
    177s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28/11/2022, 07:47

General

  • Target

    6ac2465aed690dae98a03894331e321fa345f451252724ee8fbbd988f5abb8bf.exe

  • Size

    512KB

  • MD5

    55d1a749062879910a779edf8dd18932

  • SHA1

    5f52a94a5b1d120517766ab9df7395da48d479ff

  • SHA256

    6ac2465aed690dae98a03894331e321fa345f451252724ee8fbbd988f5abb8bf

  • SHA512

    8f3af9b523cebd81f63f4279ed1a7f67544a1afdeafdbbf675f123f1faf5a44182174ebbf6591a8f8b5da5e0a9fd3348d6b4126940f7fe1be9d1e092031124a1

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4D:0+h9OY70z+warul3E4D

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\6ac2465aed690dae98a03894331e321fa345f451252724ee8fbbd988f5abb8bf.exe
    "C:\Users\Admin\AppData\Local\Temp\6ac2465aed690dae98a03894331e321fa345f451252724ee8fbbd988f5abb8bf.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:1232
    • C:\Users\Admin\AppData\Local\Temp\n5182\s5182.exe
      "C:\Users\Admin\AppData\Local\Temp\n5182\s5182.exe" bb0ad548f99d65641d5bbc01Qsflj/WIu+aAJbo028eJu5Q9GKLiGQmHB7/eRN8pcrLKLevfQvdgI+Kap5GEHzI76pkGu9Idiaa1/rvPlSk19sP0OCzLNRHW1pIKHbO3WPWAWneP/TUChhJgYqdqoSrFFc4CTsevV4Ji9W+OB0of15IT /v "C:\Users\Admin\AppData\Local\Temp\6ac2465aed690dae98a03894331e321fa345f451252724ee8fbbd988f5abb8bf.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1344

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n5182\s5182.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n5182\s5182.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5182\s5182.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5182\s5182.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5182\s5182.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n5182\s5182.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1232-54-0x0000000075C31000-0x0000000075C33000-memory.dmp

          Filesize

          8KB

        • memory/1344-62-0x000007FEF3C50000-0x000007FEF4673000-memory.dmp

          Filesize

          10.1MB

        • memory/1344-63-0x000007FEF2BB0000-0x000007FEF3C46000-memory.dmp

          Filesize

          16.6MB

        • memory/1344-64-0x0000000000B16000-0x0000000000B35000-memory.dmp

          Filesize

          124KB

        • memory/1344-65-0x000007FEEDFE0000-0x000007FEEEE6F000-memory.dmp

          Filesize

          14.6MB

        • memory/1344-66-0x000007FEF28C0000-0x000007FEF2BAA000-memory.dmp

          Filesize

          2.9MB

        • memory/1344-67-0x0000000000B16000-0x0000000000B35000-memory.dmp

          Filesize

          124KB