Analysis

  • max time kernel
    21s
  • max time network
    18s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15/03/2024, 16:53

General

  • Target

    V11.exe

  • Size

    5.7MB

  • MD5

    6dec3abddfaf34018ac336abca4ce973

  • SHA1

    1beb12de1349f0dceec10399e68e51d0f0fb2084

  • SHA256

    ac85979eb90883a77eb0faa528e324002b0c014da188fcda30131be7ca84459d

  • SHA512

    c1a052b01e1cc31011c1cb22a7cb70b2eabbc5f2312ff5142b064584dcfcfa64498f1e167780e01caa6473e66b38bf4cf196ace12323063a12b8ed63944932e9

  • SSDEEP

    98304:wkmqs1yBGCwU+s1db5ZKgptSY4B3RHIlkhnERsnRkAeHFCCIpUYrvIn:Xs1yBJ7dbZtSY4JRoeinVCtVjIn

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.

  • Themida packer 10 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\V11.exe
    "C:\Users\Admin\AppData\Local\Temp\V11.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /C Get-Service -Name WpnUserService* | Restart-Service -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_grhjckgg.w1w.ps1

    Filesize

    1B

    MD5

    c4ca4238a0b923820dcc509a6f75849b

    SHA1

    356a192b7913b04c54574d18c28d46e6395428ab

    SHA256

    6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

    SHA512

    4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

  • memory/2804-40-0x0000020EF37B0000-0x0000020EF37C0000-memory.dmp

    Filesize

    64KB

  • memory/2804-18-0x0000020EF37B0000-0x0000020EF37C0000-memory.dmp

    Filesize

    64KB

  • memory/2804-45-0x00007FF8FF480000-0x00007FF8FFE6C000-memory.dmp

    Filesize

    9.9MB

  • memory/2804-41-0x0000020EF37B0000-0x0000020EF37C0000-memory.dmp

    Filesize

    64KB

  • memory/2804-17-0x00007FF8FF480000-0x00007FF8FFE6C000-memory.dmp

    Filesize

    9.9MB

  • memory/2804-20-0x0000020EF3940000-0x0000020EF39B6000-memory.dmp

    Filesize

    472KB

  • memory/2804-21-0x0000020EF37B0000-0x0000020EF37C0000-memory.dmp

    Filesize

    64KB

  • memory/2804-15-0x0000020EDB640000-0x0000020EDB662000-memory.dmp

    Filesize

    136KB

  • memory/3660-2-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-8-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-7-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-6-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-5-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-1-0x00007FF90BBA0000-0x00007FF90BD7B000-memory.dmp

    Filesize

    1.9MB

  • memory/3660-0-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-4-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-3-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-51-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-52-0x00007FF6C8B70000-0x00007FF6C9AB8000-memory.dmp

    Filesize

    15.3MB

  • memory/3660-54-0x00007FF90BBA0000-0x00007FF90BD7B000-memory.dmp

    Filesize

    1.9MB