Analysis

  • max time kernel
    75s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 22:39

General

  • Target

    30882d6a6a5c4a8752db7b43b75ce42f8f269a95e83a1ad1316e719b90c3bce4.exe

  • Size

    512KB

  • MD5

    2eb3e8ba71daf7841d8175e271fdf2ee

  • SHA1

    582c7112c8145ca73036bf33665d6556c093e541

  • SHA256

    30882d6a6a5c4a8752db7b43b75ce42f8f269a95e83a1ad1316e719b90c3bce4

  • SHA512

    baf5d8517f18b3584a349ad1e33b023d98e179680d3a7f2f5eb321d6bca06dae02a7571e654b9c87ff1e47452f2d214ad05d60a6ae180dece0fc10dfda09719b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4V:0+h9OY70z+warul3E4V

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\30882d6a6a5c4a8752db7b43b75ce42f8f269a95e83a1ad1316e719b90c3bce4.exe
    "C:\Users\Admin\AppData\Local\Temp\30882d6a6a5c4a8752db7b43b75ce42f8f269a95e83a1ad1316e719b90c3bce4.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:1584
    • C:\Users\Admin\AppData\Local\Temp\n9743\s9743.exe
      "C:\Users\Admin\AppData\Local\Temp\n9743\s9743.exe" 708b2ba674d207c071be8975uLA/Gs0+MZtZvuAuLrJ8+4PsKnVjtcICPwzYsL0dMcYSJlTDJWXl2fEfQtc899hTuxqsBJ8646lZ7Ks5HDvll3hdA+sRWPNDgTfXTM/aMIo183csRMDt/ukdR2lOEX0DAdEqCOfWV33UihoFu8L8brSN /v "C:\Users\Admin\AppData\Local\Temp\30882d6a6a5c4a8752db7b43b75ce42f8f269a95e83a1ad1316e719b90c3bce4.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1748

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n9743\s9743.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • C:\Users\Admin\AppData\Local\Temp\n9743\s9743.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9743\s9743.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9743\s9743.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9743\s9743.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • \Users\Admin\AppData\Local\Temp\n9743\s9743.exe

          Filesize

          230KB

          MD5

          abaf13cb23de482dc944ab5b51ca3aac

          SHA1

          76837356db96dd56b647aba60f1adbbdc7b200fe

          SHA256

          b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

          SHA512

          cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

        • memory/1584-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

          Filesize

          8KB

        • memory/1748-62-0x000007FEF3E10000-0x000007FEF4833000-memory.dmp

          Filesize

          10.1MB

        • memory/1748-63-0x000007FEF2940000-0x000007FEF39D6000-memory.dmp

          Filesize

          16.6MB

        • memory/1748-64-0x00000000009F6000-0x0000000000A15000-memory.dmp

          Filesize

          124KB

        • memory/1748-65-0x000007FEED940000-0x000007FEEE7CF000-memory.dmp

          Filesize

          14.6MB

        • memory/1748-66-0x000007FEF1FD0000-0x000007FEF22BA000-memory.dmp

          Filesize

          2.9MB

        • memory/1748-67-0x00000000009F6000-0x0000000000A15000-memory.dmp

          Filesize

          124KB