Analysis
- max time kernel
30s - max time network
35s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
08/03/2024, 03:40
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe
Resource
win7-20240221-en
9 signatures
30 seconds
General
- Target 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe
- Size 1.8MB
- Sample240308-d8ppeaed95
- SHA256 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1
- MD5 52fb6ee1238be8239fe7ae213c4f3ff1
- SHA1 113c950a133383ce0e1824a6ed68e5b519ebe244
- SHA512 a683498073feaa1ab1caade44f8b8eb9fe2ab04aba967fdbcc51da069aba7c335b1df6e93840d73c5951f560ac7f83b13a473c82d964b62f0a3a54ce25d32c10
- SSDEEP 49152:5yMRieMbPSszZORILn2dCX0bZ6iadckW3n0k:5yYVOPSa0Iz2w0taGIk
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.17
C2
-
http://185.215.113.32
Attributes
-
install_dir
00c07260dc
-
install_file
explorgu.exe
-
strings_key
461809bd97c251ba0c0c8450c7055f1d
-
url_paths
/yandex/index.php
rc4.plain
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__ 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.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\VideoBiosVersion 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe - Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000\Software\Wine 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3764 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorgu.job 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3764 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe 3764 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3764 27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe"C:\Users\Admin\AppData\Local\Temp\27cf385c2186efea46d29acf0f7803c421268f33cf9bed680de87631bf5bb2f1.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:3764