50d68a1b46f0ff39819073c387dd61d47f45965ebe1cdff323954d94692510e5

General

Target

f2930620f8d2059149b284d2a04990d8cbc6690f.dll
Size

3.6MB
MD5

741f7fd6af800ba69ccc3d4255da8ddd
SHA1

f2930620f8d2059149b284d2a04990d8cbc6690f
SHA256

50d68a1b46f0ff39819073c387dd61d47f45965ebe1cdff323954d94692510e5
SHA512

22a3da0fbc1ae353a80243083977e64eacd47458b984af6ae659444dfdc070ba728be8a4dd7f68f37bcb3ab1b260ea99b4b1492a21d12f0a125319f746b28059

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 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1188-131-0x0000000074090000-0x00000000749EC000-memory.dmp	themida
behavioral2/memory/1188-134-0x0000000074090000-0x00000000749EC000-memory.dmp	themida
behavioral2/memory/1188-133-0x0000000074090000-0x00000000749EC000-memory.dmp	themida
behavioral2/memory/1188-136-0x0000000074090000-0x00000000749EC000-memory.dmp	themida
behavioral2/memory/1188-137-0x0000000074090000-0x00000000749EC000-memory.dmp	themida
behavioral2/memory/1188-138-0x0000000074090000-0x00000000749EC000-memory.dmp	themida
behavioral2/memory/1188-139-0x0000000074090000-0x00000000749EC000-memory.dmp	themida
behavioral2/memory/1188-140-0x0000000074090000-0x00000000749EC000-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

1188 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3576 1188 WerFault.exe rundll32.exe

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

pid	process
1188	rundll32.exe

pid	pid_target	process	target process
3576	1188	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3148 wrote to memory of 1188	3148	rundll32.exe	rundll32.exe
PID 3148 wrote to memory of 1188	3148	rundll32.exe	rundll32.exe
PID 3148 wrote to memory of 1188	3148	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2930620f8d2059149b284d2a04990d8cbc6690f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3148

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2930620f8d2059149b284d2a04990d8cbc6690f.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
PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 640
3⤵
- Program crash
PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1188 -ip 1188
1⤵
PID:4552

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1188-130-0x0000000000000000-mapping.dmp

Download
memory/1188-131-0x0000000074090000-0x00000000749EC000-memory.dmp

Filesize
9.4MB

Download
memory/1188-134-0x0000000074090000-0x00000000749EC000-memory.dmp

Filesize
9.4MB

Download
memory/1188-133-0x0000000074090000-0x00000000749EC000-memory.dmp

Filesize
9.4MB

Download
memory/1188-135-0x0000000076F10000-0x00000000770B3000-memory.dmp

Filesize
1.6MB

Download
memory/1188-136-0x0000000074090000-0x00000000749EC000-memory.dmp

Filesize
9.4MB

Download
memory/1188-137-0x0000000074090000-0x00000000749EC000-memory.dmp

Filesize
9.4MB

Download
memory/1188-138-0x0000000074090000-0x00000000749EC000-memory.dmp

Filesize
9.4MB

Download
memory/1188-139-0x0000000074090000-0x00000000749EC000-memory.dmp

Filesize
9.4MB

Download
memory/1188-140-0x0000000074090000-0x00000000749EC000-memory.dmp

Filesize
9.4MB

Download
memory/1188-141-0x0000000076F10000-0x00000000770B3000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads