Analysis
- max time kernel
299s - max time network
280s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
16/09/2026, 11:37
General
- Target Doc_ref003309404_pdf.exe
- Size 1.1MB
- Sample260916-nrczdszcmd
- SHA256 6845de23aa2089b4e97ee0706f2b03f0196d52af27e12511ca25727aa2e1e85a
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 1 IoCs
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 13 IoCs
- Suspicious use of AdjustPrivilegeToken 23 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Doc_ref003309404_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Doc_ref003309404_pdf.exe"1⤵
- 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\Doc_ref003309404_pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\Doc_ref003309404_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Doc_ref003309404_pdf.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\Doc_ref003309404_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Doc_ref003309404_pdf.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\Doc_ref003309404_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Doc_ref003309404_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2684-12-0x0000000000400000-0x0000000000446000-memory.dmp
memory/2684-46-0x0000000000E70000-0x0000000000EB6000-memory.dmp
memory/2684-32-0x0000000000E70000-0x0000000000EB6000-memory.dmp
memory/2684-17-0x0000000001250000-0x00000000015C4000-memory.dmp
memory/2684-13-0x0000000000E70000-0x0000000000EB6000-memory.dmp
memory/5068-14-0x0000000074D82000-0x0000000074D83000-memory.dmp
memory/5068-16-0x0000000074D70000-0x000000007552C000-memory.dmp
memory/5068-39-0x0000000007BC0000-0x0000000007BDA000-memory.dmp
memory/5068-38-0x0000000008200000-0x000000000887C000-memory.dmp
memory/5068-37-0x0000000007A80000-0x0000000007B23000-memory.dmp
memory/5068-36-0x0000000007800000-0x0000000007820000-memory.dmp
memory/5068-31-0x0000000075630000-0x000000007567C000-memory.dmp
memory/5068-41-0x0000000007E30000-0x0000000007EC6000-memory.dmp
memory/5068-42-0x0000000074D82000-0x0000000074D83000-memory.dmp
memory/5068-33-0x0000000005540000-0x0000000005550000-memory.dmp
memory/5068-15-0x0000000003010000-0x0000000003046000-memory.dmp
memory/5068-40-0x0000000007C30000-0x0000000007C3A000-memory.dmp
memory/5068-18-0x0000000005540000-0x0000000005550000-memory.dmp
memory/5068-19-0x0000000005BA0000-0x00000000061EA000-memory.dmp
memory/5068-43-0x0000000005540000-0x0000000005550000-memory.dmp
memory/5068-45-0x0000000074D70000-0x000000007552C000-memory.dmp
memory/5068-21-0x0000000005B70000-0x0000000005B92000-memory.dmp
memory/5068-23-0x00000000062D0000-0x0000000006336000-memory.dmp
memory/5068-22-0x0000000006260000-0x00000000062C6000-memory.dmp
memory/5068-26-0x0000000006340000-0x000000000669B000-memory.dmp
memory/5068-27-0x0000000006840000-0x000000000685E000-memory.dmp
memory/5068-28-0x0000000006DB0000-0x0000000006DFC000-memory.dmp
memory/5068-29-0x000000007F860000-0x000000007F870000-memory.dmp
memory/5068-30-0x0000000007840000-0x0000000007876000-memory.dmp
memory/5728-10-0x0000000008790000-0x000000000882C000-memory.dmp
memory/5728-20-0x0000000074D70000-0x000000007552C000-memory.dmp
memory/5728-11-0x0000000008830000-0x000000000891A000-memory.dmp
memory/5728-0-0x0000000074D82000-0x0000000074D83000-memory.dmp
memory/5728-9-0x0000000074D70000-0x000000007552C000-memory.dmp
memory/5728-8-0x0000000074D70000-0x000000007552C000-memory.dmp
memory/5728-7-0x0000000074D82000-0x0000000074D83000-memory.dmp
memory/5728-6-0x0000000005A60000-0x0000000005A86000-memory.dmp
memory/5728-5-0x0000000074D70000-0x000000007552C000-memory.dmp
memory/5728-4-0x0000000005750000-0x000000000575A000-memory.dmp
memory/5728-3-0x0000000005780000-0x0000000005812000-memory.dmp
memory/5728-2-0x0000000005E50000-0x000000000640A000-memory.dmp
memory/5728-1-0x0000000000B10000-0x0000000000C2E000-memory.dmp