Analysis
- max time kernel
101s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20250502-en - resource tags
arch:x64arch:x86image:win10v2004-20250502-enlocale:en-usos:windows10-2004-x64system - submitted
17/07/2025, 16:49
Behavioral task
behavioral1
Sample
Arly.exe
Resource
win10v2004-20250502-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
Arly.exe
Resource
win11-20250610-en
12 signatures
150 seconds
General
- Target Arly.exe
- Size 4.6MB
- Sample250717-vbv9cszn13
- SHA256 e4e654d5ce9fb5d329f9ad187628be00900d04fe508547017142d54b2e58535f
- MD5 428a1c37e49be8dbcc859ad7e9e923d5
- SHA1 651a431e2e5c45046788802d4dc620ec4ae6cb32
- SHA512 4caff3e90b3e3b6cdea5b2b38326ac49b88ad99f95275b5690499b51fcb9a7d26f079b36cb25032154b292817490ed63e7c05707baa037758a6f58063a8315be
- SSDEEP 98304:g9mX4HmSyrFnXYuBUNXg0+wK6qgvQqvH60LKKtqldpRF9J0oCQVYKG8:gcX4c+Po/qvH60WBHJ6Qg8
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Rhadamanthys Payload 1 IoCs
resource yara_rule behavioral1/memory/4192-6-0x0000000002A00000-0x0000000002E00000-memory.dmp family_rhadamanthys_payload - Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
- Rhadamanthys family
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 4192 created 2560 4192 Arly.exe 50 - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Arly.exe - Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Arly.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Arly.exe - Deletes itself 1 IoCs
pid Process 4372 openwith.exe -
resource yara_rule behavioral1/memory/4192-0-0x0000000000400000-0x00000000008C5000-memory.dmp themida behavioral1/memory/4192-2-0x0000000000400000-0x00000000008C5000-memory.dmp themida behavioral1/memory/4192-1-0x0000000000400000-0x00000000008C5000-memory.dmp themida behavioral1/memory/4192-4-0x0000000000400000-0x00000000008C5000-memory.dmp themida behavioral1/memory/4192-15-0x0000000000400000-0x00000000008C5000-memory.dmp themida - Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Arly.exe - 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 Arly.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language openwith.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4192 Arly.exe 4192 Arly.exe 4372 openwith.exe 4372 openwith.exe 4372 openwith.exe 4372 openwith.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4192 wrote to memory of 4372 4192 Arly.exe 90 PID 4192 wrote to memory of 4372 4192 Arly.exe 90 PID 4192 wrote to memory of 4372 4192 Arly.exe 90 PID 4192 wrote to memory of 4372 4192 Arly.exe 90 PID 4192 wrote to memory of 4372 4192 Arly.exe 90
Processes
-
C:\Windows\system32\sihost.exesihost.exe1⤵PID:2560
-
C:\Windows\SysWOW64\openwith.exe"C:\Windows\system32\openwith.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4372
-
-
C:\Users\Admin\AppData\Local\Temp\Arly.exe"C:\Users\Admin\AppData\Local\Temp\Arly.exe"1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4192