Analysis
- max time kernel
141s - max time network
139s - platform
windows11-21h2_x64 - resource
win11-20240508-en - resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system - submitted
21/06/2024, 07:55
Behavioral task
behavioral1
Sample
a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e.exe
Resource
win10v2004-20240508-en
5 signatures
150 seconds
General
- Target a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e.exe
- Size 3.5MB
- Sample240621-jr34cssaqe
- SHA256 a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e
- MD5 f79be8a363fa6bd15c4785022cd2ea3a
- SHA1 85093d1a42861cfa9ae66617385e5084bfafc003
- SHA512 ae6aa1c9d6f5a0dd1b5217d34004c0f5f9a94c1718881452ac46dcfe61b1837420ae19b87e8e7445b7e31aeee553dfa49ae037f7d791ac4d89acd7d3f4093243
- SSDEEP 98304:06D0IOJedAuY1itJheeOXJ4i8Ejnb05LOLF:Z1O9cnyA6g5KLF
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
risepro
C2
-
77.91.77.66:58709
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e.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 a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e.exe -
resource yara_rule behavioral2/memory/2616-0-0x0000000000400000-0x0000000000CB7000-memory.dmp themida behavioral2/memory/2616-1-0x0000000000400000-0x0000000000CB7000-memory.dmp themida behavioral2/memory/2616-2-0x0000000000400000-0x0000000000CB7000-memory.dmp themida behavioral2/memory/2616-3-0x0000000000400000-0x0000000000CB7000-memory.dmp themida behavioral2/memory/2616-4-0x0000000000400000-0x0000000000CB7000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e.exe"C:\Users\Admin\AppData\Local\Temp\a13a91b89834f98065a26b7b6bb98f59c7d2ae476d7dc862a9d11ee1b897f11e.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
PID:2616