Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 14:06

General

  • Target
    6090633f15893014c0ae325f43d048f6a2dac29e0472388f995dc42763e3ce2d.exe
  • Size 1.1MB
  • Sample260810-reg95aar2y
  • SHA256 6090633f15893014c0ae325f43d048f6a2dac29e0472388f995dc42763e3ce2d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook payload 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\explorer.exe
    explorer.exe /LOADSAVEDWINDOWS
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\6090633f15893014c0ae325f43d048f6a2dac29e0472388f995dc42763e3ce2d.exe
      "C:\Users\Admin\AppData\Local\Temp\6090633f15893014c0ae325f43d048f6a2dac29e0472388f995dc42763e3ce2d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5180
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\6090633f15893014c0ae325f43d048f6a2dac29e0472388f995dc42763e3ce2d.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2600
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:2488
  • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\ls5cjvio1ll.ps1"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Users\Admin\AppData\Roaming\xlFhUpW.exe
      "C:\Users\Admin\AppData\Roaming\xlFhUpW.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xlFhUpW.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2856
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4832
  • C:\Windows\SysWOW64\RmClient.exe
    "C:\Windows\SysWOW64\RmClient.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    PID:4132
    • C:\Program Files\Mozilla Firefox\Firefox.exe
      "C:\Program Files\Mozilla Firefox\Firefox.exe"
      2⤵
        PID:4352

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 8abb83c2ef09e06fe11ed25c833045767fd90c976be32cf9da4f66d458cb3c7d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_chyx0cej.krs.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_chyx0cej.krs.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          ls5cjvio1ll.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\ls5cjvio1ll.ps1
          • Size 1KB
          • SHA256 7515224901a70d476423d9c7bf4fdff5b4e4a1908c7657ac52bf7870e91b6160
          • MD5 SHA1 SHA512 TLSH

          xlFhUpW.exe

          • Path C:\Users\Admin\AppData\Roaming\xlFhUpW.exe
          • Size 1.1MB
          • SHA256 6090633f15893014c0ae325f43d048f6a2dac29e0472388f995dc42763e3ce2d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2384-59-0x0000000006230000-0x000000000634F000-memory.dmp

          memory/2488-56-0x0000000001170000-0x00000000011B6000-memory.dmp

          memory/2488-17-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/2488-57-0x0000000001170000-0x00000000011B6000-memory.dmp

          memory/2488-30-0x0000000001170000-0x00000000011B6000-memory.dmp

          memory/2488-31-0x0000000001510000-0x0000000001536000-memory.dmp

          memory/2488-29-0x0000000001170000-0x00000000011B6000-memory.dmp

          memory/2488-22-0x0000000001550000-0x00000000018C4000-memory.dmp

          memory/2488-18-0x0000000001170000-0x00000000011B6000-memory.dmp

          memory/2600-14-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/2600-41-0x00000000074B0000-0x0000000007553000-memory.dmp

          memory/2600-54-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/2600-15-0x0000000005450000-0x0000000005A9A000-memory.dmp

          memory/2600-13-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/2600-21-0x0000000005CE0000-0x0000000005D46000-memory.dmp

          memory/2600-12-0x0000000004D80000-0x0000000004DB6000-memory.dmp

          memory/2600-23-0x0000000005D60000-0x00000000060BB000-memory.dmp

          memory/2600-20-0x0000000005C70000-0x0000000005CD6000-memory.dmp

          memory/2600-19-0x0000000005BD0000-0x0000000005BF2000-memory.dmp

          memory/2600-50-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/2600-27-0x0000000006250000-0x000000000626E000-memory.dmp

          memory/2600-28-0x00000000067B0000-0x00000000067FC000-memory.dmp

          memory/2600-48-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/2600-45-0x0000000007840000-0x00000000078D6000-memory.dmp

          memory/2600-44-0x0000000007640000-0x000000000764A000-memory.dmp

          memory/2600-43-0x00000000075D0000-0x00000000075EA000-memory.dmp

          memory/2600-42-0x0000000007C20000-0x000000000829C000-memory.dmp

          memory/2600-36-0x0000000007470000-0x00000000074A6000-memory.dmp

          memory/2600-40-0x0000000006860000-0x0000000006880000-memory.dmp

          memory/2600-37-0x00000000759E0000-0x0000000075A2C000-memory.dmp

          memory/2600-16-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/2856-69-0x00000000071A0000-0x0000000007243000-memory.dmp

          memory/2856-66-0x0000000071B40000-0x0000000071B8C000-memory.dmp

          memory/2856-65-0x0000000006490000-0x00000000064DC000-memory.dmp

          memory/2856-63-0x0000000005990000-0x0000000005CEB000-memory.dmp

          memory/3848-55-0x0000000000950000-0x0000000000D76000-memory.dmp

          memory/3848-49-0x0000000000950000-0x0000000000D76000-memory.dmp

          memory/4132-58-0x0000000000910000-0x0000000000953000-memory.dmp

          memory/4132-51-0x0000000000910000-0x0000000000953000-memory.dmp

          memory/4352-77-0x000002A995C30000-0x000002A995D52000-memory.dmp

          memory/4836-34-0x000001A1F08B0000-0x000001A1F08D2000-memory.dmp

          memory/5180-5-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/5180-0-0x0000000075132000-0x0000000075133000-memory.dmp

          memory/5180-4-0x0000000005680000-0x000000000568A000-memory.dmp

          memory/5180-3-0x0000000005700000-0x0000000005792000-memory.dmp

          memory/5180-2-0x0000000005C20000-0x00000000061DA000-memory.dmp

          memory/5180-26-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/5180-1-0x0000000000A50000-0x0000000000B6C000-memory.dmp

          memory/5180-10-0x0000000007C80000-0x0000000007D1C000-memory.dmp

          memory/5180-6-0x0000000005850000-0x0000000005866000-memory.dmp

          memory/5180-9-0x0000000007B00000-0x0000000007BE2000-memory.dmp

          memory/5180-8-0x0000000075120000-0x00000000758DC000-memory.dmp

          memory/5180-7-0x0000000075132000-0x0000000075133000-memory.dmp