d5066f6eb484e09f7c3eb427b1ce981ac2d2cf71aaa4d2aa2be126c65ff384b1

Analysis

max time kernel
129s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 03:49

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General

Target

d5066f6eb484e09f7c3eb427b1ce981ac2d2cf71aaa4d2aa2be126c65ff384b1.dll
Size

3.2MB
MD5

458d9dfeb81e8711b5696bc0ffd3ded6
SHA1

4472ac0990d473adf11be604b4f820d25e9f501f
SHA256

d5066f6eb484e09f7c3eb427b1ce981ac2d2cf71aaa4d2aa2be126c65ff384b1
SHA512

aebf9aefa9227c1fd9b00b98748efa8101bcfa734db94ea15a9efa49af3f1edd24c86c94f7410d9208edc30abdf0f385c04cb6b9961097703e9effa21c1c91ef
SSDEEP

98304:ipDHq5DWoLo+p4xWpc4uTdjiZM2RULBHOIL8x:ipec+phpc3TdufG6

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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe

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

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1612-0-0x0000000010000000-0x000000001085D000-memory.dmp	themida
behavioral2/memory/1612-3-0x0000000010000000-0x000000001085D000-memory.dmp	themida
behavioral2/memory/1612-4-0x0000000010000000-0x000000001085D000-memory.dmp	themida
behavioral2/memory/1612-2-0x0000000010000000-0x000000001085D000-memory.dmp	themida
behavioral2/memory/1612-5-0x0000000010000000-0x000000001085D000-memory.dmp	themida
behavioral2/memory/1612-6-0x0000000010000000-0x000000001085D000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

1612 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4156 1612 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exe

pid process

1612 rundll32.exe
1612 rundll32.exe
1612 rundll32.exe
1612 rundll32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

rundll32.exe

pid process

1612 rundll32.exe

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

pid	process
1612	rundll32.exe

pid	pid_target	process	target process
4156	1612	WerFault.exe	rundll32.exe

pid	process
1612	rundll32.exe
1612	rundll32.exe
1612	rundll32.exe
1612	rundll32.exe

pid	process
1612	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 5044 wrote to memory of 1612	5044	rundll32.exe	rundll32.exe
PID 5044 wrote to memory of 1612	5044	rundll32.exe	rundll32.exe
PID 5044 wrote to memory of 1612	5044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5066f6eb484e09f7c3eb427b1ce981ac2d2cf71aaa4d2aa2be126c65ff384b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d5066f6eb484e09f7c3eb427b1ce981ac2d2cf71aaa4d2aa2be126c65ff384b1.dll,#1
2⤵
- 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
- Suspicious use of SetWindowsHookEx
PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 784
3⤵
- Program crash
PID:4156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1612 -ip 1612
1⤵
PID:3448

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1612-0-0x0000000010000000-0x000000001085D000-memory.dmp

Filesize
8.4MB

Download
memory/1612-1-0x0000000077434000-0x0000000077436000-memory.dmp

Filesize
8KB

Download
memory/1612-3-0x0000000010000000-0x000000001085D000-memory.dmp

Filesize
8.4MB

Download
memory/1612-4-0x0000000010000000-0x000000001085D000-memory.dmp

Filesize
8.4MB

Download
memory/1612-2-0x0000000010000000-0x000000001085D000-memory.dmp

Filesize
8.4MB

Download
memory/1612-5-0x0000000010000000-0x000000001085D000-memory.dmp

Filesize
8.4MB

Download
memory/1612-6-0x0000000010000000-0x000000001085D000-memory.dmp

Filesize
8.4MB

Download