Analysis
- max time kernel
149s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
30/09/2026, 04:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
RFQ_PO-30_09_26pdf.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
RFQ_PO-30_09_26pdf.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral3
Sample
invoice_30_09_26pdf.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral4
Sample
invoice_30_09_26pdf.exe
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral5
Sample
invoice_30_09_26pdf.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
General
- Target RFQ_PO-30_09_26pdf.exe
- Size 905KB
- Sample260930-e818wasxes
- SHA256 fd9ed11f3b7d5a684e86ae9c4bc8525229f6b7702793fe709893f9e1c72522ec
- MD5 0406804305549934b4a7fb05c239eebb
- SHA1 7b9aab85fbdcce4bd5ec18f12c6b660ebb3b6169
- SHA512 d049b960e182f1fce40573cd250db9519794a2d54b7890bad4975574832d4fb7bc0c277d1025f38a9a467151c441f6665d456318b89c705d91d7d220dd7d9814
- SSDEEP 24576:P1sfgdIYs+EIujDYzK2jVG/PlWI3jjws:VREIuR2pG/PlWIz8s
- TLSH T16615F168739ACF22C5A163B40E61F37103769D4EA231C3039EE57DE73D7AB4619681E2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Formbook payload 2 IoCs
resource yara_rule behavioral1/memory/1700-13-0x0000000001100000-0x0000000001146000-memory.dmp family_formbook behavioral1/memory/1700-16-0x0000000001100000-0x0000000001146000-memory.dmp family_formbook - SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
resource yara_rule behavioral1/memory/1688-5-0x0000000005A70000-0x0000000005A86000-memory.dmp SmartAssembly - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1688 set thread context of 1700 1688 RFQ_PO-30_09_26pdf.exe 98 - 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 RFQ_PO-30_09_26pdf.exe - Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1700 RFQ_PO-30_09_26pdf.exe 1700 RFQ_PO-30_09_26pdf.exe 1700 RFQ_PO-30_09_26pdf.exe 1700 RFQ_PO-30_09_26pdf.exe 1700 RFQ_PO-30_09_26pdf.exe 1700 RFQ_PO-30_09_26pdf.exe 1700 RFQ_PO-30_09_26pdf.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1688 wrote to memory of 1700 1688 RFQ_PO-30_09_26pdf.exe 98 PID 1688 wrote to memory of 1700 1688 RFQ_PO-30_09_26pdf.exe 98 PID 1688 wrote to memory of 1700 1688 RFQ_PO-30_09_26pdf.exe 98
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ_PO-30_09_26pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_PO-30_09_26pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Users\Admin\AppData\Local\Temp\RFQ_PO-30_09_26pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ_PO-30_09_26pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1700
-