e341a13e9d2d6974d68018a8d8f28f4a40ef8b1fe063384eda97ebbbad7ab80a

Analysis

max time kernel
24s
max time network
24s
platform
windows7_x64
resource
win7-en-20211208
submitted
12-12-2021 12:50

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General

Target

aInjector Win64_x32.exe
Size

3.6MB
MD5

45539053a6c4a180b590a7af970fc3ab
SHA1

8a091f013cdbe5b0f7308692a75bd95c544a7e5a
SHA256

e341a13e9d2d6974d68018a8d8f28f4a40ef8b1fe063384eda97ebbbad7ab80a
SHA512

498c61bb0949ef48e1bf834e3fce02ddc7b857e794ce02d97c615f03d2c93420799cd7476bdd4bb15768396cd28668060da0c6e9914039d6bc010f32ddafea85

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:

aInjector Win64_x32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	aInjector Win64_x32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	aInjector Win64_x32.exe

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/944-58-0x0000000000360000-0x0000000000361000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

aInjector Win64_x32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA aInjector Win64_x32.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

aInjector Win64_x32.exe

pid process

944 aInjector Win64_x32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

aInjector Win64_x32.exe

description pid process

Token: SeDebugPrivilege 944 aInjector Win64_x32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	aInjector Win64_x32.exe

flow	ioc
4	ip-api.com

pid	process
944	aInjector Win64_x32.exe

description	pid	process
Token: SeDebugPrivilege	944	aInjector Win64_x32.exe

C:\Users\Admin\AppData\Local\Temp\aInjector Win64_x32.exe
"C:\Users\Admin\AppData\Local\Temp\aInjector Win64_x32.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:944

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/944-54-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/944-58-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/944-60-0x00000000010A0000-0x00000000010FA000-memory.dmp

Filesize
360KB

Download
memory/944-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/944-62-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download