Analysis
- max time kernel
149s - max time network
92s - platform
windows11-21h2_x64 - resource
win11-20251231-en - resource tags
arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system - submitted
20/01/2026, 07:27
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
TOI CHALLENGER PARTICULARSpdf.scr.exe
Resource
win10v2004-20251231-en
8 signatures
150 seconds
General
- Target TOI CHALLENGER PARTICULARSpdf.scr.exe
- Size 950KB
- Sample260120-jadr5scy2d
- SHA256 44ece3fd771b241e7adb7b8a46317aa0dce39aa4b815912805de4dc6ff631ae4
- MD5 6119979238f8f838dcf3badb5dcb235d
- SHA1 72b7600962274de48d659fb73c127dc652fd76cd
- SHA512 e2eee0a7e443c0780df5d8221cd56c09ae2562f4640e9f53e26aea7ecbb4a9393466c14ad8c45e58ed49c6cca3ecf3c42436894c10c530a62b610951fbd4b68a
- SSDEEP 24576:QJt2X0/Fhwh5Hdiq/9wTmM/VJjghX8I165:QJtxhwhldiq/9cz/Vo8I16
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Formbook family
- Formbook payload 2 IoCs
resource yara_rule behavioral2/memory/5016-14-0x0000000000400000-0x0000000000446000-memory.dmp family_formbook behavioral2/memory/5016-17-0x0000000000400000-0x0000000000446000-memory.dmp family_formbook - SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral2/memory/4880-7-0x0000000007210000-0x0000000007226000-memory.dmp SmartAssembly - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4880 set thread context of 5016 4880 TOI CHALLENGER PARTICULARSpdf.scr.exe 78 - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TOI CHALLENGER PARTICULARSpdf.scr.exe - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe 5016 TOI CHALLENGER PARTICULARSpdf.scr.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4880 wrote to memory of 5016 4880 TOI CHALLENGER PARTICULARSpdf.scr.exe 78 PID 4880 wrote to memory of 5016 4880 TOI CHALLENGER PARTICULARSpdf.scr.exe 78 PID 4880 wrote to memory of 5016 4880 TOI CHALLENGER PARTICULARSpdf.scr.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\TOI CHALLENGER PARTICULARSpdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\TOI CHALLENGER PARTICULARSpdf.scr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Users\Admin\AppData\Local\Temp\TOI CHALLENGER PARTICULARSpdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\TOI CHALLENGER PARTICULARSpdf.scr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:5016
-