Analysis
- max time kernel
94s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20250129-en - resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system - submitted
04/02/2025, 08:30
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
FATR8760090000.exe
Resource
win7-20240903-en
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
FATR8760090000.exe
Resource
win10v2004-20250129-en
10 signatures
150 seconds
General
- Target FATR8760090000.exe
- Size 1.2MB
- Sample250204-kd957asphp
- SHA256 91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070
- MD5 3078ac39261cb67ff4f82e51ac9b74fd
- SHA1 a5743a8afe5157887e031091cea3187fe8f29d51
- SHA512 ebd9baf16ac0bedbaf26fa79d9539f8245668a6d9175f61e43c58ccceeea70152ea127822e196acfc391e88b31f70942aff635afdf45d30573436dafa94924ab
- SSDEEP 24576:fAHnh+eWsN3skA4RV1Hom2KXFmIal7PJT9C0VXLQZ77r65:Ch+ZkldoPK1Xal7PJTQ0477E
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\flexuosely.vbs flexuosely.exe - Executes dropped EXE 1 IoCs
pid Process 4604 flexuosely.exe - AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x000400000001da09-14.dat autoit_exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4604 set thread context of 1140 4604 flexuosely.exe 89 - System Location Discovery: System Language Discovery 1 TTPs 3 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 svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FATR8760090000.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language flexuosely.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4604 flexuosely.exe - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1884 FATR8760090000.exe 1884 FATR8760090000.exe 4604 flexuosely.exe 4604 flexuosely.exe - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1884 FATR8760090000.exe 1884 FATR8760090000.exe 4604 flexuosely.exe 4604 flexuosely.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1140 svchost.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1884 wrote to memory of 4604 1884 FATR8760090000.exe 86 PID 1884 wrote to memory of 4604 1884 FATR8760090000.exe 86 PID 1884 wrote to memory of 4604 1884 FATR8760090000.exe 86 PID 4604 wrote to memory of 1140 4604 flexuosely.exe 89 PID 4604 wrote to memory of 1140 4604 flexuosely.exe 89 PID 4604 wrote to memory of 1140 4604 flexuosely.exe 89 PID 4604 wrote to memory of 1140 4604 flexuosely.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\FATR8760090000.exe"C:\Users\Admin\AppData\Local\Temp\FATR8760090000.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1884 -
C:\Users\Admin\AppData\Local\Glagolitic\flexuosely.exe"C:\Users\Admin\AppData\Local\Temp\FATR8760090000.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Windows\SysWOW64\svchost.exe"C:\Users\Admin\AppData\Local\Temp\FATR8760090000.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1140
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Glagolitic\flexuosely.exe
- Size 1.2MB
- SHA256 91ce11dba631a9613d7c96409db89bf0cc358eff124632ad56f25fd6b372b070
- MD5 3078ac39261cb67ff4f82e51ac9b74fd
- SHA1 a5743a8afe5157887e031091cea3187fe8f29d51
- SHA512 ebd9baf16ac0bedbaf26fa79d9539f8245668a6d9175f61e43c58ccceeea70152ea127822e196acfc391e88b31f70942aff635afdf45d30573436dafa94924ab
- SSDEEP 24576:fAHnh+eWsN3skA4RV1Hom2KXFmIal7PJT9C0VXLQZ77r65:Ch+ZkldoPK1Xal7PJTQ0477E
- MD5 SHA1 SHA512 SSDEEP