Analysis

  • user interaction
    yes
  • max time kernel
    14s
  • max time network
    15s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    31/08/2026, 19:24

General

  • Target
    Grabber.exe
  • Size 321KB
  • Sample260831-x4feqaab93
  • SHA256 cd1b578420ad1695d1e5e610a0f43e3ab5202a2b29963aeec0e33350a7671203
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • .NET Reactor proctector 2 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Grabber.exe
    "C:\Users\Admin\AppData\Local\Temp\Grabber.exe"
    1⤵
    • Drops file in Drivers directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\attrib.exe
      "attrib.exe" +h +s ""
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:4700
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3464
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2168

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 1KB
        • SHA256 1f4966c208f72a652bc4fe09dcb6f725b6a25543e3f4124e4164bb95da9d6713
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 62775f6b21d43e9aaf42cf427d6aabc478cf36ef6c40bc8abc8b6f335387653d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_hvoiuq0z.yib.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hvoiuq0z.yib.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/2168-44-0x0000000005FF0000-0x0000000006347000-memory.dmp

        memory/2168-34-0x0000000002CC0000-0x0000000002CD0000-memory.dmp

        memory/2168-35-0x0000000002CC0000-0x0000000002CD0000-memory.dmp

        memory/3464-15-0x0000000005850000-0x0000000005872000-memory.dmp

        memory/3464-28-0x0000000007970000-0x0000000007A06000-memory.dmp

        memory/3464-30-0x0000000006D10000-0x0000000006D32000-memory.dmp

        memory/3464-29-0x0000000006CC0000-0x0000000006CDA000-memory.dmp

        memory/3464-11-0x0000000005160000-0x0000000005196000-memory.dmp

        memory/3464-12-0x0000000005210000-0x0000000005220000-memory.dmp

        memory/3464-13-0x0000000005210000-0x0000000005220000-memory.dmp

        memory/3464-14-0x00000000058F0000-0x0000000005FBA000-memory.dmp

        memory/3464-17-0x0000000006130000-0x0000000006196000-memory.dmp

        memory/3464-16-0x00000000060C0000-0x0000000006126000-memory.dmp

        memory/3464-27-0x0000000006C10000-0x0000000006C5C000-memory.dmp

        memory/3464-26-0x0000000006790000-0x00000000067AE000-memory.dmp

        memory/3464-25-0x00000000061A0000-0x00000000064F7000-memory.dmp

        memory/4560-3-0x0000000005940000-0x0000000005EE6000-memory.dmp

        memory/4560-2-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4560-8-0x0000000006D90000-0x0000000006E06000-memory.dmp

        memory/4560-10-0x0000000006EA0000-0x0000000006EBE000-memory.dmp

        memory/4560-9-0x00000000071E0000-0x0000000007230000-memory.dmp

        memory/4560-5-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4560-0-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4560-36-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4560-6-0x00000000054A0000-0x0000000005532000-memory.dmp

        memory/4560-4-0x0000000005390000-0x00000000053F8000-memory.dmp

        memory/4560-1-0x0000000002F10000-0x0000000002F78000-memory.dmp

        memory/4560-46-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4560-49-0x0000000007260000-0x000000000726A000-memory.dmp

        memory/4560-50-0x0000000007F50000-0x0000000007F62000-memory.dmp

        memory/4560-53-0x0000000005380000-0x0000000005390000-memory.dmp

        memory/4560-54-0x0000000005380000-0x0000000005390000-memory.dmp