Analysis

  • max time kernel
    511s
  • max time network
    502s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    10/09/2026, 10:50

General

  • Target
    TGmesetups-x64-7.2.7.exe
  • Size 91.7MB
  • Sample260910-mxevhabk4t
  • SHA256 1f912d02d0e790f5da37ce25b366868aab67ec58d9ccf8d6ba7b25b49d722620
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 9 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 30 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs

    Command interpreters often include specific commands/flags that ignore errors and other hangups.

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • System Time Discovery 1 TTPs 1 IoCs

    Adversary may gather the system time and/or time zone settings from a local or remote system.

  • Suspicious behavior: EnumeratesProcesses 53 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\TGmesetups-x64-7.2.7.exe
    "C:\Users\Admin\AppData\Local\Temp\TGmesetups-x64-7.2.7.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5736
    • C:\Users\Admin\AppData\Local\Temp\WinNetHelper.exe
      "C:\Users\Admin\AppData\Local\Temp\WinNetHelper.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5340
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Telegram Desktop\Setup - Telegram Desktop 7.1.3 64bit 7.1.3\install\175BA0C\TG.msi" AI_SETUPEXEPATH=C:\Users\Admin\AppData\Local\Temp\WinNetHelper.exe SETUPEXEDIR=C:\Users\Admin\AppData\Local\Temp\ EXE_CMD_LINE="/exenoupdates /forcecleanup /wintime 1788796806 "
        3⤵
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • System Time Discovery
        • Suspicious use of FindShellTrayWindow
        PID:3968
    • C:\ProgramData\GIGABYTE\GigabyteDownloadAssistant\GigabyteDownloadAssistant.exe
      "C:\ProgramData\GIGABYTE\GigabyteDownloadAssistant\GigabyteDownloadAssistant.exe"
      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
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1288
  • C:\ProgramData\GIGABYTE\GigabyteDownloadAssistant\GigabyteDownloadAssistant.exe
    C:\ProgramData\GIGABYTE\GigabyteDownloadAssistant\GigabyteDownloadAssistant.exe
    1⤵
    • 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
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Windows\system32\cmd.exe
      cmd.exe /c powershell -Command "Get-Process Weixin -ErrorAction SilentlyContinue | ForEach-Object {(Get-Item $_.Path).VersionInfo.FileVersion}"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5664
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command "Get-Process Weixin -ErrorAction SilentlyContinue | ForEach-Object {(Get-Item $_.Path).VersionInfo.FileVersion}"
        3⤵
        • Hide Artifacts: Ignore Process Interrupts
        • Suspicious behavior: EnumeratesProcesses
        PID:2272
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5348
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 36A7E30F38839BE0042448056379D656 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1860
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 68B24ABAA48A2A056A547311C41F550D C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4040

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        GigabyteDownloadAssistant.exe

        • Path C:\ProgramData\GIGABYTE\GigabyteDownloadAssistant\GigabyteDownloadAssistant.exe
        • Size 610KB
        • SHA256 7e07a64d95b1669008014a9c594a253021f01ab0f54ec6268bde1fb743e6cec7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        qbcore.dll

        • Path C:\ProgramData\GIGABYTE\GigabyteDownloadAssistant\qbcore.dll
        • Size 4.2MB
        • SHA256 09f2558fee0cb527ea00aa37f57f732f8543406718baa656318845f323a86e2a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI7B95.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSI7B95.tmp
        • Size 557KB
        • SHA256 e9e426b679b3efb233f03c696e997e2da3402f16a321e954b54454317fceb240
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_zk5a1beq.kwz.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zk5a1beq.kwz.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        TG.msi

        • Path C:\Users\Admin\AppData\Roaming\Telegram Desktop\Setup - Telegram Desktop 7.1.3 64bit 7.1.3\install\175BA0C\TG.msi
        • Size 1.8MB
        • SHA256 dce56874f72ebaea175b7d2a65d495908437667ef3e81fc62604da8167cf869a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1288-68-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/1288-77-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/1288-63-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/1288-66-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/1288-67-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/2272-84-0x000001EFF4420000-0x000001EFF4442000-memory.dmp

        memory/3140-91-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-108-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-27-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-78-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-26-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-25-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-88-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-24-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-95-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-97-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-100-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-103-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-105-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-137-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-110-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-113-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-116-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-118-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-121-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-124-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-126-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-129-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-131-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/3140-134-0x000000022F180000-0x000000022FEFC000-memory.dmp

        memory/5736-54-0x00000000001F0000-0x0000000005DC0000-memory.dmp