Analysis
- max time kernel
149s - platform
windows11-21h2_x64 - resource
win11-20260513-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.
- 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 5 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⤵
- 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\839827a2b7f35c91f54ada0f8cee7b68bb52fce97d3199f740ad975beb24dd21.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\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 784 -s 2003⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 784 -ip 7841⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_yw4rdmze.sln.ps1
memory/784-9-0x0000000000400000-0x0000000000447000-memory.dmp
memory/784-29-0x0000000001340000-0x0000000001387000-memory.dmp
memory/784-17-0x0000000001700000-0x0000000001A56000-memory.dmp
memory/784-10-0x0000000001340000-0x0000000001387000-memory.dmp
memory/2160-3-0x00000000058D0000-0x000000000596C000-memory.dmp
memory/2160-6-0x0000000006AB0000-0x0000000006AC8000-memory.dmp
memory/2160-7-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
memory/2160-8-0x0000000006B50000-0x0000000006C32000-memory.dmp
memory/2160-5-0x00000000057F0000-0x00000000057FA000-memory.dmp
memory/2160-4-0x0000000005AB0000-0x0000000005AC0000-memory.dmp
memory/2160-2-0x0000000005830000-0x00000000058C2000-memory.dmp
memory/2160-0-0x0000000000D80000-0x0000000000E80000-memory.dmp
memory/2160-1-0x0000000005DE0000-0x0000000006386000-memory.dmp
memory/3316-26-0x00000000058F0000-0x0000000005C47000-memory.dmp
memory/3316-41-0x00000000062D0000-0x00000000062EE000-memory.dmp
memory/3316-15-0x00000000050D0000-0x00000000056FA000-memory.dmp
memory/3316-23-0x0000000005770000-0x00000000057D6000-memory.dmp
memory/3316-13-0x0000000004A90000-0x0000000004AA0000-memory.dmp
memory/3316-24-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/3316-14-0x0000000004A90000-0x0000000004AA0000-memory.dmp
memory/3316-27-0x0000000005CD0000-0x0000000005CEE000-memory.dmp
memory/3316-28-0x0000000005D20000-0x0000000005D6C000-memory.dmp
memory/3316-12-0x00000000024D0000-0x0000000002506000-memory.dmp
memory/3316-30-0x000000007F6B0000-0x000000007F6C0000-memory.dmp
memory/3316-31-0x0000000006CA0000-0x0000000006CD4000-memory.dmp
memory/3316-32-0x00000000709D0000-0x0000000070A1C000-memory.dmp
memory/3316-16-0x0000000005020000-0x0000000005042000-memory.dmp
memory/3316-34-0x0000000004A90000-0x0000000004AA0000-memory.dmp
memory/3316-35-0x0000000004A90000-0x0000000004AA0000-memory.dmp
memory/3316-42-0x0000000006CF0000-0x0000000006D94000-memory.dmp
memory/3316-43-0x0000000007670000-0x0000000007CEA000-memory.dmp
memory/3316-44-0x0000000007030000-0x000000000704A000-memory.dmp
memory/3316-45-0x00000000070B0000-0x00000000070BA000-memory.dmp
memory/3316-46-0x00000000072C0000-0x0000000007356000-memory.dmp
memory/3316-47-0x0000000007240000-0x0000000007251000-memory.dmp
memory/3316-48-0x0000000007270000-0x000000000727E000-memory.dmp
memory/3316-49-0x0000000007280000-0x0000000007295000-memory.dmp
memory/3316-50-0x0000000007380000-0x000000000739A000-memory.dmp
memory/3316-51-0x0000000007370000-0x0000000007378000-memory.dmp