Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 11:41

General

  • Target

    inst.exe

  • Size

    5.3MB

  • MD5

    2ec92d9ae90fa8d467434d4950046233

  • SHA1

    a1201629f91ce9d57539e1574548222f3aca9b17

  • SHA256

    0b06f84f2776bf4e4c28e73625defe855d3817b1de1a17183db39016f7109695

  • SHA512

    2b1b0284ab697aa0da00b670cdff68beeb48d9fe9b39dea21562ccff29eba958e3ce08ee7c07cdfa0b82f2cf42fe43f4c4ba75d62eb2215023354cb1a70553f9

  • SSDEEP

    98304:vNN/N91h2eDZQjL7sU8I5DKBWoClkRGJewd8Y3evBQ9LtYVrEx3/o6ETgKbWyuk:B9GeDVI5DKBWZlkgJedYs6LtYdEhqTgY

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Themida packer 18 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\inst.exe
    "C:\Users\Admin\AppData\Local\Temp\inst.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\inst.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2968
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'inst.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    b6b60e4617587e16fbe1cf7472f5f04b

    SHA1

    b8c6ba22318064f0b7aa4156c91bd5076fd763d0

    SHA256

    4fa73899a6f1759189a369e4c696e008eace1136949c8828d0e267f6371d33f5

    SHA512

    ed17dbe4a5c83146fc7630cdcf93b4210ad61c981354cfd156ce4cee93e0da6d32ed9255092b1fbc34c0601c58b96b242611a32e1c6e34fc05c07f79b6f6b734

  • \Users\Admin\AppData\Local\Temp\c3151015-52f5-4d47-88a4-ea55aea0d52a\AgileDotNetRT64.dll

    Filesize

    2.9MB

    MD5

    9bb6ed08af544d3738e60200d2804180

    SHA1

    5a40b484ca56b1ce59add4ec283e21d60070be02

    SHA256

    86d49f3894cc3de038abcde03803de8b6f239c237f34930ce5c41ab725c26cb7

    SHA512

    63e6b90457c3e3e6e419e30fe57e35c66e08059611fbe4ffb60d28acd6ee8d9f0ccfa31d7b27e9af44ab13512490f3b7b7f5130df947c5de50a937dcee0a91a5

  • memory/2168-56-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-9-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-55-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-11-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-21-0x000007FEF3BF0000-0x000007FEF3D1C000-memory.dmp

    Filesize

    1.2MB

  • memory/2168-61-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-60-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-59-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-1-0x000007FEF52B0000-0x000007FEF5C9C000-memory.dmp

    Filesize

    9.9MB

  • memory/2168-57-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-49-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-2-0x000000001B630000-0x000000001B6B0000-memory.dmp

    Filesize

    512KB

  • memory/2168-58-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-54-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-38-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-53-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-0-0x0000000000EB0000-0x00000000013FA000-memory.dmp

    Filesize

    5.3MB

  • memory/2168-52-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-51-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-50-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2168-45-0x000007FEF52B0000-0x000007FEF5C9C000-memory.dmp

    Filesize

    9.9MB

  • memory/2168-48-0x000007FEEE950000-0x000007FEEF102000-memory.dmp

    Filesize

    7.7MB

  • memory/2672-41-0x000007FEEC130000-0x000007FEECACD000-memory.dmp

    Filesize

    9.6MB

  • memory/2672-47-0x000007FEEC130000-0x000007FEECACD000-memory.dmp

    Filesize

    9.6MB

  • memory/2672-46-0x0000000002930000-0x00000000029B0000-memory.dmp

    Filesize

    512KB

  • memory/2672-44-0x0000000002930000-0x00000000029B0000-memory.dmp

    Filesize

    512KB

  • memory/2672-43-0x000007FEEC130000-0x000007FEECACD000-memory.dmp

    Filesize

    9.6MB

  • memory/2672-42-0x0000000002930000-0x00000000029B0000-memory.dmp

    Filesize

    512KB

  • memory/2672-40-0x0000000001EB0000-0x0000000001EB8000-memory.dmp

    Filesize

    32KB

  • memory/2672-39-0x000000001B2A0000-0x000000001B582000-memory.dmp

    Filesize

    2.9MB

  • memory/2968-32-0x000007FEECAD0000-0x000007FEED46D000-memory.dmp

    Filesize

    9.6MB

  • memory/2968-31-0x000000000261B000-0x0000000002682000-memory.dmp

    Filesize

    412KB

  • memory/2968-30-0x0000000002614000-0x0000000002617000-memory.dmp

    Filesize

    12KB

  • memory/2968-29-0x0000000002610000-0x0000000002690000-memory.dmp

    Filesize

    512KB

  • memory/2968-28-0x000007FEECAD0000-0x000007FEED46D000-memory.dmp

    Filesize

    9.6MB

  • memory/2968-27-0x0000000002560000-0x0000000002568000-memory.dmp

    Filesize

    32KB

  • memory/2968-26-0x000000001B260000-0x000000001B542000-memory.dmp

    Filesize

    2.9MB