2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6

General

Target
2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
Size 2.7MB
Sample241117-jvycaavfne
SHA256 2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6
MD5 8ca08b6db08a74dd452b1090b9ce2362
SHA1 271e31e00959f347f914507863bd6ba20b2a4814
SHA512 124f82e121fc20a22b47e41edcec7b8383a19375850e013688f312a3dcc759bac4bd66299e09fa56900706b83da1abd7ba6b9227842e97adafdd01e45e3c617e
SSDEEP 49152:00lVdiwIvwgd4LWnYILynewvaxIUNtxc+1gaWMsz0T0W:0wVdlgd4LWnYILyn67NtxZT
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"	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.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__	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.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\VideoBiosVersion	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.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	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4136	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.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	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4136	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
4136	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
4136	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
4136	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4136	2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe

C:\Users\Admin\AppData\Local\Temp\2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.exe
"C:\Users\Admin\AppData\Local\Temp\2cb8109695addeeff4fbd5fb4905544d80d345c2eb26d406ec7da35cd27fcea6.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:4136