5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6

Analysis

max time kernel
151s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
resource tags

arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2022 16:33

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General

Target

5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe
Size

5.2MB
MD5

fe47daf12c57b5b65f30a5722ac813f8
SHA1

0640dd5724df5f2817f983d33a0f6bab6dfd5dbe
SHA256

5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6
SHA512

fab667e805e14c5ca56b0ee128885ff78f13c3826a2580eeaaa3212353db335b4f12fbf78dca137a21b11f9bc17f3611b51fa6c6f79fcb682ebd4fb45e9ca3d6

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:

5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.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:

5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/760-132-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp	themida
behavioral2/memory/760-133-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp	themida
behavioral2/memory/760-134-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp	themida
behavioral2/memory/760-135-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp	themida
behavioral2/memory/760-136-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp	themida
behavioral2/memory/760-138-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp	themida
behavioral2/memory/760-139-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp	themida
behavioral2/memory/760-141-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

pid process

760 5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4448 760 WerFault.exe 5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

pid	pid_target	process	target process
4448	760	WerFault.exe	5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

pid	process
760	5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe
760	5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe

C:\Users\Admin\AppData\Local\Temp\5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe
"C:\Users\Admin\AppData\Local\Temp\5bd3d8b3aac3565a9a07fe0b888adc186fd3afab24b8f5545e91a745503d13a6.exe"
1⤵
- 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
PID:760

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 760 -s 1116
2⤵
- Program crash
PID:4448

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 456 -p 760 -ip 760
1⤵
PID:3140

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

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Downloads

memory/760-132-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp

Filesize
14.1MB

Download
memory/760-133-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp

Filesize
14.1MB

Download
memory/760-134-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp

Filesize
14.1MB

Download
memory/760-135-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp

Filesize
14.1MB

Download
memory/760-136-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp

Filesize
14.1MB

Download
memory/760-137-0x00007FFA37A90000-0x00007FFA37C85000-memory.dmp

Filesize
2.0MB

Download
memory/760-138-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp

Filesize
14.1MB

Download
memory/760-139-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp

Filesize
14.1MB

Download
memory/760-140-0x00007FFA37A90000-0x00007FFA37C85000-memory.dmp

Filesize
2.0MB

Download
memory/760-141-0x00007FF7C8D50000-0x00007FF7C9B65000-memory.dmp

Filesize
14.1MB

Download