Analysis
- max time kernel
149s - max time network
147s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/09/2026, 10:57
General
- Target d8c8f20046ae50d9fe926d237ce06fa27777b89135157013982534287a163446.exe
- Size 1.1MB
- Sample260910-m2d4rsbk8w
- SHA256 d8c8f20046ae50d9fe926d237ce06fa27777b89135157013982534287a163446
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 and hide display window.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d8c8f20046ae50d9fe926d237ce06fa27777b89135157013982534287a163446.exe"C:\Users\Admin\AppData\Local\Temp\d8c8f20046ae50d9fe926d237ce06fa27777b89135157013982534287a163446.exe"1⤵
- 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\d8c8f20046ae50d9fe926d237ce06fa27777b89135157013982534287a163446.exe"C:\Users\Admin\AppData\Local\Temp\d8c8f20046ae50d9fe926d237ce06fa27777b89135157013982534287a163446.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 2323⤵
- Program crash
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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 "$pm5slu=$env:COMPUTERNAME;$drqaxs=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$2vnnhw=[System.Environment]::TickCount;$zdltsh=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXGRIUy5leGU=')));$wpfhps=Get-Date;& $drqaxs -FilePath $zdltsh"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\dHS.exe"C:\Users\Admin\AppData\Roaming\dHS.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\dHS.exe"C:\Users\Admin\AppData\Roaming\dHS.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4328 -ip 43281⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
dHS.exe
memory/1192-35-0x00000000060C0000-0x00000000060E4000-memory.dmp
memory/1496-8-0x00000000743B0000-0x0000000074B6C000-memory.dmp
memory/1496-9-0x00000000743B0000-0x0000000074B6C000-memory.dmp
memory/1496-5-0x00000000050F0000-0x00000000050FA000-memory.dmp
memory/1496-4-0x00000000743B0000-0x0000000074B6C000-memory.dmp
memory/1496-6-0x0000000007C40000-0x0000000007C64000-memory.dmp
memory/1496-7-0x00000000743C2000-0x00000000743C3000-memory.dmp
memory/1496-2-0x0000000005710000-0x0000000005CCA000-memory.dmp
memory/1496-3-0x0000000005150000-0x00000000051E2000-memory.dmp
memory/1496-10-0x0000000008210000-0x00000000082AC000-memory.dmp
memory/1496-11-0x00000000082B0000-0x0000000008396000-memory.dmp
memory/1496-1-0x0000000000600000-0x0000000000716000-memory.dmp
memory/1496-0-0x00000000743C2000-0x00000000743C3000-memory.dmp
memory/1496-14-0x00000000743B0000-0x0000000074B6C000-memory.dmp
memory/4328-15-0x0000000001480000-0x00000000017F4000-memory.dmp
memory/4328-13-0x0000000000F90000-0x0000000000FD6000-memory.dmp
memory/4328-12-0x0000000000400000-0x0000000000446000-memory.dmp
memory/4612-16-0x00007FFD1A67F000-0x00007FFD1A680000-memory.dmp
memory/4612-21-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-22-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-23-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-24-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-25-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-26-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-27-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-28-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-29-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-30-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-31-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-20-0x00000134CD560000-0x00000134CD582000-memory.dmp
memory/4612-34-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp
memory/4612-17-0x00007FFD1A4F0000-0x00007FFD1AE94000-memory.dmp