86d04cd48601528014a0781d1d491e033f88c7ef30d016103d5a8c4c04b07d3f

Analysis

max time kernel
1748s
max time network
1596s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2023 12:29

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General

Target

HoYoKProtect.dll
Size

35.2MB
MD5

e5d96d21d67f7bad6c322e38ad07f923
SHA1

e9522287a4899f2c635705d93c5791986fd34461
SHA256

ce013c6c0390979c05021d83edac4fbce3aaed26bd3b5a4b38ad64fb50871826
SHA512

f1772609552e1d39f4feb2e2fab9bb6738e4f1761843b7bdb59fc6ddb5c72d784ce024860f5b1da44daa840626018efbacd8cbd5320fe61cbf27145d3708c760
SSDEEP

786432:RmJR64tcoCK+n6dw2Ptc5qWiTBW8PvyCA51rwigv:RO4K+n69RA8iCA70d

Score

9^/10

evasion themida trojan

Malware Config

Signatures

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__	rundll32.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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/5080-133-0x00007FF9AFE40000-0x00007FF9B270E000-memory.dmp	themida
behavioral1/memory/5080-137-0x00007FF9AFE40000-0x00007FF9B270E000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5080	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2000	5080	WerFault.exe	63

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\HoYoKProtect.dll,#1
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:5080
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 5080 -s 468
  2⤵
  - Program crash
  PID:2000

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 452 -p 5080 -ip 5080
1⤵
PID:1224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/5080-133-0x00007FF9AFE40000-0x00007FF9B270E000-memory.dmp

Filesize
40.8MB

Download
memory/5080-137-0x00007FF9AFE40000-0x00007FF9B270E000-memory.dmp

Filesize
40.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads