Analysis
- max time kernel
178s - max time network
168s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
14/08/2026, 13:29
General
- Target Purchase Order N0. 2026-0312.exe
- Size 432KB
- Sample260814-qrn3rsvbph
- SHA256 d1997a3d88d785e6f430522bbb1775ca361809335a9ff3b0e4ff3ef843b0e4ff
Malware Config
Signatures
- Family: Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 1 IoCs
- Loads dropped DLL 2 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order N0. 2026-0312.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order N0. 2026-0312.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Purchase Order N0. 2026-0312.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order N0. 2026-0312.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Purchase Order N0. 2026-0312.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order N0. 2026-0312.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Purchase Order N0. 2026-0312.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order N0. 2026-0312.exe"3⤵
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
System.dll
nscACF4.tmp
nscACF4.tmp
nscACF4.tmp
nscACF4.tmp
nsrABC8.tmp
nsrABC8.tmp
nsrABC8.tmp
nsrABC8.tmp
nsrABC8.tmp
nsrABC8.tmp
nsrAD52.tmp
nsrAD52.tmp
nswAC85.tmp
nswAC85.tmp
nsxADC1.tmp
nsxADC1.tmp
nsxADC1.tmp
nsxADC1.tmp
memory/3700-559-0x00000000740C5000-0x00000000740C6000-memory.dmp
memory/4412-562-0x00000000773FD000-0x00000000773FE000-memory.dmp
memory/4412-561-0x000000007743F000-0x0000000077440000-memory.dmp
memory/4412-560-0x0000000000400000-0x00000000016E6000-memory.dmp
memory/4412-563-0x00000000774C5000-0x00000000774C6000-memory.dmp
memory/4412-574-0x0000000077391000-0x00000000774BF000-memory.dmp
memory/4412-573-0x0000000000400000-0x00000000016E6000-memory.dmp
memory/4412-575-0x0000000000060000-0x00000000000A6000-memory.dmp
memory/4412-576-0x00000000363A0000-0x0000000036714000-memory.dmp
memory/4412-578-0x00000000774C5000-0x00000000774C6000-memory.dmp
memory/4412-579-0x0000000000060000-0x00000000000A6000-memory.dmp
memory/4412-583-0x0000000000060000-0x00000000000A6000-memory.dmp