Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2022 21:25

General

  • Target

    Device/HarddiskVolume3/Users/admin/Downloads/FRPFILE AIO V2.6/FRPFILE AIO.exe

  • Size

    5.7MB

  • MD5

    06c1fc03d8fcb6f2fa379e11137d39bd

  • SHA1

    d27416033fb3ad04fd26b0bf2676b75039595a02

  • SHA256

    49081ef5b2d0f4c8f8eb944396828d4f504a213a985b9d51ea0e183d5bfde2ce

  • SHA512

    f7bc55d8d18218277b5fa3a7ef26f622d805be1269ffe862301fdeba947dd031c16f21f7f0fe3f84a2400a69d64debd587e13352dfd38bbe47e23bf910699988

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 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 61 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\admin\Downloads\FRPFILE AIO V2.6\FRPFILE AIO.exe
    "C:\Users\Admin\AppData\Local\Temp\Device\HarddiskVolume3\Users\admin\Downloads\FRPFILE AIO V2.6\FRPFILE AIO.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 use of NtSetInformationThreadHideFromDebugger
    PID:3648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 932
      2⤵
      • Program crash
      PID:1848
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3648 -ip 3648
    1⤵
      PID:4860
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4672

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\3a437a5c-0027-4d3d-a0f8-2634809a9ef2\AgileDotNetRT.dll
      Filesize

      2.3MB

      MD5

      105e678e6ee84e0fa7fbe34df1f9639c

      SHA1

      17e4d775f4405e3a81a793b5bf775e9c95da5af9

      SHA256

      4ef4551d44fde6e46c470314b0b89f6418a54eee3f1ad9eb7456b2a20e3065a2

      SHA512

      3a15a2f188a4f572923d1999a77ef6d14b243d1c0e3a4442b5a6825756b93b40e2c6197d106df62ae3b427c62ff6b21fc2fe8181a3b6709e9991f1ddd36e5689

    • memory/3648-130-0x0000000000470000-0x0000000000A22000-memory.dmp
      Filesize

      5.7MB

    • memory/3648-131-0x00000000058E0000-0x0000000005E84000-memory.dmp
      Filesize

      5.6MB

    • memory/3648-133-0x00000000720F0000-0x0000000072709000-memory.dmp
      Filesize

      6.1MB

    • memory/3648-134-0x00000000720F0000-0x0000000072709000-memory.dmp
      Filesize

      6.1MB

    • memory/3648-135-0x00000000731A0000-0x0000000073229000-memory.dmp
      Filesize

      548KB

    • memory/3648-136-0x00000000720F0000-0x0000000072709000-memory.dmp
      Filesize

      6.1MB

    • memory/3648-137-0x0000000077230000-0x00000000773D3000-memory.dmp
      Filesize

      1.6MB

    • memory/3648-138-0x00000000720F0000-0x0000000072709000-memory.dmp
      Filesize

      6.1MB

    • memory/3648-139-0x0000000077230000-0x00000000773D3000-memory.dmp
      Filesize

      1.6MB