6594d1a9beec1d63c08f6e7b82826647f6df74f53e1cfedaac99430f6d7581a7

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-en-20211208
submitted
20-01-2022 09:14

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General

Target

123456.exe
Size

2.6MB
MD5

5dc4a3b523a6f6bae722979d338b98f8
SHA1

44043d7e66ab8131ad83654e6c5d93ba04b7c25e
SHA256

6594d1a9beec1d63c08f6e7b82826647f6df74f53e1cfedaac99430f6d7581a7
SHA512

dbc269f94b9c96595f552bf0be16d2a82782db8ab5526973223ca6a19463d9fe65f25d654a3ba3b6d8ef3456150477e0930d01e2b18eae3dd30a9d6ab2a0233f

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:

123456.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	123456.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	123456.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1572-56-0x0000000000D50000-0x0000000001426000-memory.dmp	themida
behavioral1/memory/1572-57-0x0000000000D50000-0x0000000001426000-memory.dmp	themida
behavioral1/memory/1572-59-0x0000000000D50000-0x0000000001426000-memory.dmp	themida
behavioral1/memory/1572-58-0x0000000000D50000-0x0000000001426000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

123456.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 123456.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

123456.exe

pid process

1572 123456.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	123456.exe

pid	process
1572	123456.exe

C:\Users\Admin\AppData\Local\Temp\123456.exe
"C:\Users\Admin\AppData\Local\Temp\123456.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1572

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/1572-55-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

Filesize
8KB

Download
memory/1572-56-0x0000000000D50000-0x0000000001426000-memory.dmp

Filesize
6.8MB

Download
memory/1572-57-0x0000000000D50000-0x0000000001426000-memory.dmp

Filesize
6.8MB

Download
memory/1572-59-0x0000000000D50000-0x0000000001426000-memory.dmp

Filesize
6.8MB

Download
memory/1572-58-0x0000000000D50000-0x0000000001426000-memory.dmp

Filesize
6.8MB

Download