Analysis

  • max time kernel
    40s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2023 22:56

General

  • Target

    BruteForcers PACK/BruteForcers PACK/ExpressVPN Brute Checker By ACTEAM/forms/viewsource.exe

  • Size

    3.5MB

  • MD5

    95e34cb7ec74b0308313608cdad5ff80

  • SHA1

    8c6606080b89b23a32c39a5e8c354f6f846662f4

  • SHA256

    4df2aba56452a16140064c81e5ab3708f8b05176ef9f6ad926848517fc31555d

  • SHA512

    5ac070acc62fcb93b12465820f11943a9e02bda13c151fe76bf2eb967639ad6656797895d62d3347f8ba2c25ad731d7a7a332479dbe4e9ea7986d9e71860ac23

  • SSDEEP

    98304:FhGOI7cg6bt6ZP25ypN9zPA8aY3OjkkGWf3rSPm4Hm:Fh7I7cg6JH8zI8H+jkkGWDoZG

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\ExpressVPN Brute Checker By ACTEAM\forms\viewsource.exe
    "C:\Users\Admin\AppData\Local\Temp\BruteForcers PACK\BruteForcers PACK\ExpressVPN Brute Checker By ACTEAM\forms\viewsource.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Users\Admin\AppData\Local\Temp\IVACYVPN BRUTE CHECKER BY ACTEAM.EXE
      "C:\Users\Admin\AppData\Local\Temp\IVACYVPN BRUTE CHECKER BY ACTEAM.EXE"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:3584

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\IVACYVPN BRUTE CHECKER BY ACTEAM.EXE

    Filesize

    111KB

    MD5

    5b8a46af5c56bd94ee71d3b6eb51baeb

    SHA1

    81898f730d14d632a400df4172784c6be97ca925

    SHA256

    54c5cd7c101060ceae603c7975524edaf6c2d9b82b76cc1415f04f189356bb49

    SHA512

    6fd2f18009e9129fc7876c0a2df18ef9d97bd419002aafb54ca0c4b48cd00a027872c448366de69aae9a1aa028210d36b1dbb8cc1ff0b17dc80d0beae60190c2

  • C:\Users\Admin\AppData\Local\Temp\IVACYVPN BRUTE CHECKER BY ACTEAM.EXE

    Filesize

    111KB

    MD5

    5b8a46af5c56bd94ee71d3b6eb51baeb

    SHA1

    81898f730d14d632a400df4172784c6be97ca925

    SHA256

    54c5cd7c101060ceae603c7975524edaf6c2d9b82b76cc1415f04f189356bb49

    SHA512

    6fd2f18009e9129fc7876c0a2df18ef9d97bd419002aafb54ca0c4b48cd00a027872c448366de69aae9a1aa028210d36b1dbb8cc1ff0b17dc80d0beae60190c2

  • C:\Users\Admin\AppData\Local\Temp\IVACYVPN BRUTE CHECKER BY ACTEAM.EXE

    Filesize

    111KB

    MD5

    5b8a46af5c56bd94ee71d3b6eb51baeb

    SHA1

    81898f730d14d632a400df4172784c6be97ca925

    SHA256

    54c5cd7c101060ceae603c7975524edaf6c2d9b82b76cc1415f04f189356bb49

    SHA512

    6fd2f18009e9129fc7876c0a2df18ef9d97bd419002aafb54ca0c4b48cd00a027872c448366de69aae9a1aa028210d36b1dbb8cc1ff0b17dc80d0beae60190c2

  • C:\Users\Admin\AppData\Local\Temp\LEAF.XNET.DLL

    Filesize

    130KB

    MD5

    ecced64fe31af5c957b14d964477d7cc

    SHA1

    e36d262b158349741d6f90f69ab0491a0e032e54

    SHA256

    25a6bcbfdac13d3d423b7091e0decd59e8c0833f1c73641e2b8bec9196bbaed0

    SHA512

    f29d2fc540820315f1e081a59c1098ddf2b985f7867b6c4f8415a197e4098c738789253a2581139a6aba19391f35cb1bf9df36743285ee55a333e891d6064a87

  • C:\Users\Admin\AppData\Local\Temp\LEAF.XNET.DLL

    Filesize

    130KB

    MD5

    ecced64fe31af5c957b14d964477d7cc

    SHA1

    e36d262b158349741d6f90f69ab0491a0e032e54

    SHA256

    25a6bcbfdac13d3d423b7091e0decd59e8c0833f1c73641e2b8bec9196bbaed0

    SHA512

    f29d2fc540820315f1e081a59c1098ddf2b985f7867b6c4f8415a197e4098c738789253a2581139a6aba19391f35cb1bf9df36743285ee55a333e891d6064a87

  • C:\Users\Admin\AppData\Local\Temp\Leaf.xNet.dll

    Filesize

    130KB

    MD5

    ecced64fe31af5c957b14d964477d7cc

    SHA1

    e36d262b158349741d6f90f69ab0491a0e032e54

    SHA256

    25a6bcbfdac13d3d423b7091e0decd59e8c0833f1c73641e2b8bec9196bbaed0

    SHA512

    f29d2fc540820315f1e081a59c1098ddf2b985f7867b6c4f8415a197e4098c738789253a2581139a6aba19391f35cb1bf9df36743285ee55a333e891d6064a87

  • C:\Users\Admin\AppData\Local\Temp\SITICONE.UI.DLL

    Filesize

    1.3MB

    MD5

    750c58af2e56b6addecffcf152520ab8

    SHA1

    14995e7f1d12498606d9d209d78d55fe6fd87802

    SHA256

    27c56a28cbde094157206da1bfcd7a395111ab97b8a5ff600b11c2175dcefb26

    SHA512

    2179790e23f61b3dfea828457f8609279c70b1e071cddc73b1dbda02caa664e0aae2553fc24a4956f9e89c477d66b1a704bde26fa23bc6db26c19e18db00abb5

  • C:\Users\Admin\AppData\Local\Temp\SITICONE.UI.DLL

    Filesize

    1.3MB

    MD5

    750c58af2e56b6addecffcf152520ab8

    SHA1

    14995e7f1d12498606d9d209d78d55fe6fd87802

    SHA256

    27c56a28cbde094157206da1bfcd7a395111ab97b8a5ff600b11c2175dcefb26

    SHA512

    2179790e23f61b3dfea828457f8609279c70b1e071cddc73b1dbda02caa664e0aae2553fc24a4956f9e89c477d66b1a704bde26fa23bc6db26c19e18db00abb5

  • C:\Users\Admin\AppData\Local\Temp\Siticone.UI.dll

    Filesize

    1.3MB

    MD5

    750c58af2e56b6addecffcf152520ab8

    SHA1

    14995e7f1d12498606d9d209d78d55fe6fd87802

    SHA256

    27c56a28cbde094157206da1bfcd7a395111ab97b8a5ff600b11c2175dcefb26

    SHA512

    2179790e23f61b3dfea828457f8609279c70b1e071cddc73b1dbda02caa664e0aae2553fc24a4956f9e89c477d66b1a704bde26fa23bc6db26c19e18db00abb5

  • memory/3584-163-0x0000000005B60000-0x0000000005B6A000-memory.dmp

    Filesize

    40KB

  • memory/3584-156-0x0000000000D40000-0x0000000000D60000-memory.dmp

    Filesize

    128KB

  • memory/3584-157-0x0000000005BB0000-0x0000000006154000-memory.dmp

    Filesize

    5.6MB

  • memory/3584-158-0x0000000005600000-0x0000000005692000-memory.dmp

    Filesize

    584KB

  • memory/3584-162-0x0000000005570000-0x0000000005596000-memory.dmp

    Filesize

    152KB

  • memory/3584-169-0x0000000006340000-0x0000000006350000-memory.dmp

    Filesize

    64KB

  • memory/3584-168-0x0000000006340000-0x0000000006350000-memory.dmp

    Filesize

    64KB

  • memory/3584-167-0x0000000006350000-0x000000000649E000-memory.dmp

    Filesize

    1.3MB

  • memory/4808-137-0x00000000005D0000-0x0000000000EBA000-memory.dmp

    Filesize

    8.9MB

  • memory/4808-133-0x00000000005D0000-0x0000000000EBA000-memory.dmp

    Filesize

    8.9MB

  • memory/4808-135-0x00000000005D0000-0x0000000000EBA000-memory.dmp

    Filesize

    8.9MB

  • memory/4808-134-0x00000000005D0000-0x0000000000EBA000-memory.dmp

    Filesize

    8.9MB

  • memory/4808-136-0x00000000005D0000-0x0000000000EBA000-memory.dmp

    Filesize

    8.9MB

  • memory/4808-155-0x00000000005D0000-0x0000000000EBA000-memory.dmp

    Filesize

    8.9MB

  • memory/4808-139-0x00000000005D0000-0x0000000000EBA000-memory.dmp

    Filesize

    8.9MB