59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3

General

Target
59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
Size 2.7MB
Sample241118-dzykysxfrp
SHA256 59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3
MD5 97867b90c67abcb58f21e80f007287a0
SHA1 257376a97e66a375262a54a936904bb23c5d2363
SHA512 fc72eea7675695a7fe4f6252be2b1f4bdc448d15c7735239c4e2bfcb598d3f90f2738fb8e898fbbb5420da81f227ff235e32218e5c22499f4015db8d676cf73c
SSDEEP 49152:f91kvaAB7AUywjWpQ9BVzaIne57iNRa84to0e8eI+cdp:rkvaAB7AUywaSBVzaIne52NRa84to0eW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery evasion trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
220	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
220	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
220	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
220	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
220	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	220	59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe

C:\Users\Admin\AppData\Local\Temp\59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe
"C:\Users\Admin\AppData\Local\Temp\59d49f942c7408e16c52e3c26953468b049cd76d8d62f1d814625e6bc3792ef3N.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Windows security modification
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:220