Analysis

  • max time kernel
    142s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 09:10

General

  • Target

    f8e559a3d0742ad0e6980e7eabde54ac04eaf460660fc76b46abdbdc18d34207.exe

  • Size

    12.9MB

  • MD5

    840fb8c6a3cbf73a4c8393b411ba02e8

  • SHA1

    a32c95faf9eaecee78d0d19459d49bef37d8dfa9

  • SHA256

    f8e559a3d0742ad0e6980e7eabde54ac04eaf460660fc76b46abdbdc18d34207

  • SHA512

    0e628d2c84c34699d9b4db3755e06adf88216d3f401a494749a9f5a40048a67e1f83fa1ab95dc2ba4b43fe9941cf4e93555a30d5fe22ad693667703cab69808c

  • SSDEEP

    196608:5GORzPqL0PUfx54i8hVo7PhtU4YEMo0bb5NYwX0q6ihTxsQPRttwgA:PRzPnPUZ56O1tvR0bbHYcrxxVZHwB

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 1 IoCs
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8e559a3d0742ad0e6980e7eabde54ac04eaf460660fc76b46abdbdc18d34207.exe
    "C:\Users\Admin\AppData\Local\Temp\f8e559a3d0742ad0e6980e7eabde54ac04eaf460660fc76b46abdbdc18d34207.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3948
    • C:\Users\Admin\AppData\Local\GameShield\PrdsdrLauRc1Y2fT\3dsMax.exe
      "C:\Users\Admin\AppData\Local\GameShield\PrdsdrLauRc1Y2fT\3dsMax.exe" --file "C:\Users\Admin\AppData\LocalLow\GameShield\a0bec533997cddfa.dat" --debug NFUezSLo06zDB2ba
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\GameShield\09a71ece50fa8d97a669ef4585eb75d0\09a71ece50fa8d97a669ef4585eb75d0.log

    Filesize

    5B

    MD5

    6e28943943dbed3c7f82fc05f269947a

    SHA1

    8a63e27b80ed14981e3cd97f1af0cf330b638e65

    SHA256

    71a96b64aa491c1d77083351a508af384af016b853cd582d1feda49122611c38

    SHA512

    54a9a33a7bb509ddc27de0f61f0df2f9f6f93ada7f5eebf8bc9a22e9a5c462a30c17488435c1c3ac0370d0585e25418bd848e9b4f87fcbc00d7ca664d35869ab

  • C:\Users\Admin\AppData\LocalLow\GameShield\PrdsdrLauRc1Y2fT\QND.dll

    Filesize

    6.8MB

    MD5

    0a4528d5b2fd082d2b5da2347de7b38b

    SHA1

    91dd0ac80885d0e652ac701ca9bbe5c1f919222f

    SHA256

    f6269d62ae374056bf0779b763e3f12c27f1e44dc9df85a0e5f7a2445ba76868

    SHA512

    96f6f9eda2c8022ccab127b4ac70cb0d729b32b3985d1a636f29f58f98d45ece8ebda37be3c60e348fe8c7cae1315f631720a5cdec437da528e8d710d0018359

  • C:\Users\Admin\AppData\LocalLow\GameShield\a0bec533997cddfa.dat

    Filesize

    289B

    MD5

    f79d130fe5eb7adb5ea6d79e3c18e444

    SHA1

    851a8ec8469251efeb875e878dc7a5f1ca26fbec

    SHA256

    805a7922dcff943ad9a5948eff0f38b0b39ffd41ddff05eab8bb905c7a122e3c

    SHA512

    b016ee6e5da5b947054c31ea59f98b8aee09b93158eba5abb4eb2903eaa154a2a4139b88ae7de531cff33e15d3355bd08c8c8b2d880a76d5598e9bc06626218b

  • C:\Users\Admin\AppData\Local\GameShield\PrdsdrLauRc1Y2fT\3dsMax.exe

    Filesize

    112KB

    MD5

    d4736d7dead55676c8f42c92bbe01420

    SHA1

    737179a8c52c0eac9fbd3121b5c313e4d1fe372a

    SHA256

    9205116263333633a1fbc9b2a88cfd5c05f0bd8ec3f330303c52f53255f1307f

    SHA512

    1b139a1d415e9ed8e10a664eb9f02a413f9c8c561ae1b17012e2f062dc8a9611a52307f2acbe4607cb545b9402be5916ef1a75b57b68526f923d4d3e33094169

  • memory/2832-46-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-53-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-40-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-42-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-44-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-34-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-33-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-48-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-50-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-39-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-55-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-56-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-58-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-60-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-62-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-64-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB

  • memory/2832-66-0x0000000010000000-0x0000000010A39000-memory.dmp

    Filesize

    10.2MB