c41d9c68c367fdf7651d35bc0d85b950681ac26df3f65a05bfbf9af19d3dd368

Analysis

max time kernel
29s
max time network
74s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
05-02-2022 16:07

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General

Target

03851a2a3ee21b1d36e1917e4596bf6d.exe
Size

3.1MB
MD5

03851a2a3ee21b1d36e1917e4596bf6d
SHA1

74bcfd6ff268a2a5be55442fd87e405d15915378
SHA256

c41d9c68c367fdf7651d35bc0d85b950681ac26df3f65a05bfbf9af19d3dd368
SHA512

15b62e840f348065fda30bf0152c7dd0493597d14ab9feac6be33d63f257f7509d0c68cbbb83e5a2de4b18fb5cb6ff714484f005194f924b603ce3a0c5dd8fb2

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

03851a2a3ee21b1d36e1917e4596bf6d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	03851a2a3ee21b1d36e1917e4596bf6d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	03851a2a3ee21b1d36e1917e4596bf6d.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3816-132-0x0000000000BD0000-0x0000000001444000-memory.dmp	themida
behavioral2/memory/3816-133-0x0000000000BD0000-0x0000000001444000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

03851a2a3ee21b1d36e1917e4596bf6d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	03851a2a3ee21b1d36e1917e4596bf6d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

03851a2a3ee21b1d36e1917e4596bf6d.exe

pid process

3816 03851a2a3ee21b1d36e1917e4596bf6d.exe

pid	process
3816	03851a2a3ee21b1d36e1917e4596bf6d.exe

C:\Users\Admin\AppData\Local\Temp\03851a2a3ee21b1d36e1917e4596bf6d.exe
"C:\Users\Admin\AppData\Local\Temp\03851a2a3ee21b1d36e1917e4596bf6d.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3816

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

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Downloads

memory/3816-132-0x0000000000BD0000-0x0000000001444000-memory.dmp

Filesize
8.5MB

Download
memory/3816-133-0x0000000000BD0000-0x0000000001444000-memory.dmp

Filesize
8.5MB

Download
memory/3816-134-0x0000000006800000-0x0000000006DA4000-memory.dmp

Filesize
5.6MB

Download