Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
08/06/2026, 08:28
General
- Target 839827a2b7f35c91f54ada0f8cee7b68bb52fce97d3199f740ad975beb24dd21.exe
- Size 1004KB
- Sample260608-kda14aav2n
- SHA256 839827a2b7f35c91f54ada0f8cee7b68bb52fce97d3199f740ad975beb24dd21
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 2 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\839827a2b7f35c91f54ada0f8cee7b68bb52fce97d3199f740ad975beb24dd21.exe"C:\Users\Admin\AppData\Local\Temp\839827a2b7f35c91f54ada0f8cee7b68bb52fce97d3199f740ad975beb24dd21.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
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\839827a2b7f35c91f54ada0f8cee7b68bb52fce97d3199f740ad975beb24dd21.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\839827a2b7f35c91f54ada0f8cee7b68bb52fce97d3199f740ad975beb24dd21.exe"C:\Users\Admin\AppData\Local\Temp\839827a2b7f35c91f54ada0f8cee7b68bb52fce97d3199f740ad975beb24dd21.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2936 -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 2936 -ip 29361⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_oh3haslf.app.ps1
memory/968-6-0x0000000005600000-0x0000000005618000-memory.dmp
memory/968-2-0x0000000005080000-0x0000000005112000-memory.dmp
memory/968-3-0x00000000051C0000-0x000000000525C000-memory.dmp
memory/968-4-0x0000000005010000-0x0000000005020000-memory.dmp
memory/968-5-0x0000000005050000-0x000000000505A000-memory.dmp
memory/968-7-0x0000000005010000-0x0000000005020000-memory.dmp
memory/968-8-0x0000000006320000-0x0000000006402000-memory.dmp
memory/968-0-0x0000000000560000-0x0000000000660000-memory.dmp
memory/968-1-0x0000000005630000-0x0000000005BD4000-memory.dmp
memory/2936-13-0x0000000001150000-0x000000000149A000-memory.dmp
memory/2936-9-0x0000000000400000-0x0000000000447000-memory.dmp
memory/2936-10-0x0000000000C00000-0x0000000000C47000-memory.dmp
memory/2936-30-0x0000000000C00000-0x0000000000C47000-memory.dmp
memory/4452-27-0x0000000006320000-0x0000000006674000-memory.dmp
memory/4452-37-0x0000000003060000-0x0000000003070000-memory.dmp
memory/4452-17-0x0000000005990000-0x00000000059B2000-memory.dmp
memory/4452-19-0x00000000060D0000-0x0000000006136000-memory.dmp
memory/4452-16-0x0000000005A30000-0x0000000006058000-memory.dmp
memory/4452-18-0x0000000006060000-0x00000000060C6000-memory.dmp
memory/4452-15-0x0000000003060000-0x0000000003070000-memory.dmp
memory/4452-28-0x0000000006950000-0x000000000696E000-memory.dmp
memory/4452-29-0x00000000069F0000-0x0000000006A3C000-memory.dmp
memory/4452-12-0x0000000003070000-0x00000000030A6000-memory.dmp
memory/4452-31-0x000000007F840000-0x000000007F850000-memory.dmp
memory/4452-32-0x0000000006F20000-0x0000000006F52000-memory.dmp
memory/4452-38-0x0000000003060000-0x0000000003070000-memory.dmp
memory/4452-14-0x0000000003060000-0x0000000003070000-memory.dmp
memory/4452-33-0x0000000070490000-0x00000000704DC000-memory.dmp
memory/4452-43-0x0000000006F60000-0x0000000006F7E000-memory.dmp
memory/4452-44-0x0000000007BE0000-0x0000000007C83000-memory.dmp
memory/4452-45-0x0000000008310000-0x000000000898A000-memory.dmp
memory/4452-46-0x0000000007C90000-0x0000000007CAA000-memory.dmp
memory/4452-47-0x0000000007D00000-0x0000000007D0A000-memory.dmp
memory/4452-48-0x0000000007F10000-0x0000000007FA6000-memory.dmp
memory/4452-49-0x0000000007E90000-0x0000000007EA1000-memory.dmp
memory/4452-50-0x0000000007EC0000-0x0000000007ECE000-memory.dmp
memory/4452-51-0x0000000007ED0000-0x0000000007EE4000-memory.dmp
memory/4452-52-0x0000000007FD0000-0x0000000007FEA000-memory.dmp
memory/4452-53-0x0000000007FB0000-0x0000000007FB8000-memory.dmp