Analysis
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max time kernel
300s -
max time network
297s -
platform
windows10-1703_x64 -
resource
win10-20230831-en -
resource tags
arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system -
submitted
03/09/2023, 22:05
Behavioral task
behavioral1
Sample
fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe
Resource
win7-20230831-en
General
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Target
fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe
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Size
2.6MB
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MD5
ec978a71e520dc41b2dfe8a70a6186ca
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SHA1
d5d964621b910225e1d6dbd7b64e2b00e675cb20
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SHA256
fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b
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SHA512
335e8c8b7660a0e216e6b0e7cc08251765fddd2d0e3b771058940c00a26a4d734d37d933ce616b95baf0fbb0aaba8ba0ae9b68c05075eb72f08a8802fc1cc4bc
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SSDEEP
49152:XFJjBfbbSHh0MNT9I/KovPAtQTkNkfLbL7lGPezMyxc7BB3jdXPNzFZ3e:1Ds0MNT6KIPWQAOfLbvlGRyxKJXhe
Malware Config
Signatures
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Detects Arechclient2 RAT 1 IoCs
Arechclient2.
resource yara_rule behavioral2/memory/3208-12-0x0000000000400000-0x0000000000B12000-memory.dmp MALWARE_Win_Arechclient -
Detects DLL dropped by Raspberry Robin. 5 IoCs
Raspberry Robin.
resource yara_rule behavioral2/memory/3208-1-0x0000000077770000-0x0000000077932000-memory.dmp Raspberry_Robin_DLL_MAY_2022 behavioral2/memory/3208-2-0x0000000077770000-0x0000000077932000-memory.dmp Raspberry_Robin_DLL_MAY_2022 behavioral2/memory/3208-3-0x0000000077770000-0x0000000077932000-memory.dmp Raspberry_Robin_DLL_MAY_2022 behavioral2/memory/3208-6-0x0000000077770000-0x0000000077932000-memory.dmp Raspberry_Robin_DLL_MAY_2022 behavioral2/memory/3208-24-0x0000000077770000-0x0000000077932000-memory.dmp Raspberry_Robin_DLL_MAY_2022 -
SectopRAT payload 1 IoCs
resource yara_rule behavioral2/memory/3208-12-0x0000000000400000-0x0000000000B12000-memory.dmp family_sectoprat -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.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 fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral2/memory/3208-12-0x0000000000400000-0x0000000000B12000-memory.dmp themida -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 3208 fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3208 fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe 3208 fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe"C:\Users\Admin\AppData\Local\Temp\fcc6c949b39ac27cfc6188fb0a13192fca79904c9f6ab47561f79b57731af44b.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:3208