Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/05/2026, 19:09
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
RFQ NO 1241010326_pdf.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
General
- Target RFQ NO 1241010326_pdf.exe
- Size 993KB
- Sample260519-xt892sbv4t
- SHA256 03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88
- MD5 fbba270b5b39e50ac49416169ee563b3
- SHA1 864a93ddc271508a13b5648bd1b96ef9e7dd2caa
- SHA512 bd4c80a413e4df1e61439af1047c57071fdaf1534a184774e2c01e828b2f3ec5c8afbd8dd57b2551f6a53c1021539c9369bb19b48e847e5b09c8eb0e37218651
- SSDEEP 24576:B04vhWZcDcyVMuHhLHIHInFg7fLhPtC+KqN0gmYqe8:B0Mhs0cmDBLHIo4i+ZNOh
- TLSH T1A82512685A45E043CA850F791FB1F6B9236C1EEC6500E227DFED7FDBB867A251C04291
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Formbook payload 1 IoCs
resource yara_rule behavioral1/memory/1800-55-0x0000000000BD0000-0x0000000000C16000-memory.dmp family_formbook - Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4008 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation RFQ NO 1241010326_pdf.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3860 set thread context of 1800 3860 RFQ NO 1241010326_pdf.exe 89 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RFQ NO 1241010326_pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 1800 RFQ NO 1241010326_pdf.exe 4008 powershell.exe 1800 RFQ NO 1241010326_pdf.exe 4008 powershell.exe 1800 RFQ NO 1241010326_pdf.exe 1800 RFQ NO 1241010326_pdf.exe 1800 RFQ NO 1241010326_pdf.exe 1800 RFQ NO 1241010326_pdf.exe 1800 RFQ NO 1241010326_pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4008 powershell.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3860 wrote to memory of 4008 3860 RFQ NO 1241010326_pdf.exe 87 PID 3860 wrote to memory of 1800 3860 RFQ NO 1241010326_pdf.exe 89 PID 3860 wrote to memory of 1800 3860 RFQ NO 1241010326_pdf.exe 89 PID 3860 wrote to memory of 1800 3860 RFQ NO 1241010326_pdf.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ NO 1241010326_pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ NO 1241010326_pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ NO 1241010326_pdf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4008
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ NO 1241010326_pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ NO 1241010326_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1800
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bnexb2rn.4b1.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH