Analysis
- user interaction
yes - max time kernel
82s - max time network
83s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
25/08/2026, 08:09
General
- Target 4c3c4e06e9994eded388727f5744c0746b76cb66f49efc0113111c7e6f975802.exe
- Size 1.2MB
- Sample260825-j2e5aaydpg
- SHA256 4c3c4e06e9994eded388727f5744c0746b76cb66f49efc0113111c7e6f975802
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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4c3c4e06e9994eded388727f5744c0746b76cb66f49efc0113111c7e6f975802.exe"C:\Users\Admin\AppData\Local\Temp\4c3c4e06e9994eded388727f5744c0746b76cb66f49efc0113111c7e6f975802.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\4c3c4e06e9994eded388727f5744c0746b76cb66f49efc0113111c7e6f975802.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\4c3c4e06e9994eded388727f5744c0746b76cb66f49efc0113111c7e6f975802.exe"C:\Users\Admin\AppData\Local\Temp\4c3c4e06e9994eded388727f5744c0746b76cb66f49efc0113111c7e6f975802.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 1843⤵
- Program crash
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-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3500 -ip 35001⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_tiydcqz0.mrk.ps1
memory/2576-0-0x00000000005C0000-0x00000000006FC000-memory.dmp
memory/2576-1-0x00000000057C0000-0x0000000005D64000-memory.dmp
memory/2576-2-0x0000000005110000-0x00000000051A2000-memory.dmp
memory/2576-3-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/2576-4-0x00000000050E0000-0x00000000050EA000-memory.dmp
memory/2576-5-0x0000000005400000-0x0000000005422000-memory.dmp
memory/2576-6-0x0000000005D70000-0x00000000060C4000-memory.dmp
memory/2576-7-0x0000000007440000-0x00000000074DC000-memory.dmp
memory/2576-8-0x00000000054F0000-0x0000000005512000-memory.dmp
memory/2576-9-0x00000000052D0000-0x00000000052E0000-memory.dmp
memory/2576-10-0x0000000006C70000-0x0000000006D58000-memory.dmp
memory/2680-19-0x0000000004E70000-0x0000000004ED6000-memory.dmp
memory/2680-31-0x000000007FA90000-0x000000007FAA0000-memory.dmp
memory/2680-16-0x0000000002460000-0x0000000002496000-memory.dmp
memory/2680-52-0x00000000073D0000-0x00000000073D8000-memory.dmp
memory/2680-17-0x0000000002600000-0x0000000002610000-memory.dmp
memory/2680-18-0x0000000005040000-0x0000000005668000-memory.dmp
memory/2680-51-0x00000000073F0000-0x000000000740A000-memory.dmp
memory/2680-20-0x0000000004EE0000-0x0000000004F46000-memory.dmp
memory/2680-50-0x00000000072F0000-0x0000000007304000-memory.dmp
memory/2680-26-0x0000000005770000-0x0000000005AC4000-memory.dmp
memory/2680-29-0x0000000005D90000-0x0000000005DAE000-memory.dmp
memory/2680-30-0x0000000006370000-0x00000000063BC000-memory.dmp
memory/2680-32-0x00000000062F0000-0x0000000006322000-memory.dmp
memory/2680-14-0x0000000002600000-0x0000000002610000-memory.dmp
memory/2680-33-0x00000000707F0000-0x000000007083C000-memory.dmp
memory/2680-42-0x00000000062D0000-0x00000000062EE000-memory.dmp
memory/2680-34-0x0000000002600000-0x0000000002610000-memory.dmp
memory/2680-43-0x0000000006F80000-0x0000000007023000-memory.dmp
memory/2680-44-0x0000000007700000-0x0000000007D7A000-memory.dmp
memory/2680-45-0x00000000070B0000-0x00000000070CA000-memory.dmp
memory/2680-46-0x0000000007120000-0x000000000712A000-memory.dmp
memory/2680-47-0x0000000007330000-0x00000000073C6000-memory.dmp
memory/2680-48-0x00000000072B0000-0x00000000072C1000-memory.dmp
memory/2680-49-0x00000000072E0000-0x00000000072EE000-memory.dmp
memory/3500-11-0x0000000000400000-0x0000000000446000-memory.dmp
memory/3500-13-0x00000000013E0000-0x0000000001426000-memory.dmp
memory/3500-15-0x0000000001980000-0x0000000001CCA000-memory.dmp