aurora | 049bfff97fbb2c5e53eeed6df36d2c93c7cca199d42c0247c784b39db90f173b

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
07-06-2023 01:55

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General

Target

5903752a25f8e28a9513478b749444bc.exe
Size

6.6MB
MD5

5903752a25f8e28a9513478b749444bc
SHA1

8b157670d1caac82e986e5ee2eaab108e2ab8277
SHA256

049bfff97fbb2c5e53eeed6df36d2c93c7cca199d42c0247c784b39db90f173b
SHA512

8621379c897bbc939f949965d3c175b0229995e0b1c5c240c40b337ffe678c056b29b9960bb1087965f55e855e752bca9abb622faa10474df99fbdb8687e9f72
SSDEEP

98304:KZhTtczvVIQanrevtxi7tTbHoyqxHqtutYu67GQbUstvlDrjeefbmta4/6ffZ:KZhTt+5arcm1UveEYPbUsjraqbmt+

Score

10^/10

aurora evasion stealer themida trojan

Malware Config

Extracted

Family

aurora

89.22.227.50:8081

Signatures

Aurora
Aurora is a crypto wallet stealer written in Golang.
stealer aurora
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

5903752a25f8e28a9513478b749444bc.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 5903752a25f8e28a9513478b749444bc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5903752a25f8e28a9513478b749444bc.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:

5903752a25f8e28a9513478b749444bc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5903752a25f8e28a9513478b749444bc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5903752a25f8e28a9513478b749444bc.exe

Themida packer 14 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4852-133-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-134-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-135-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-136-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-137-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-138-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-139-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-141-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-143-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-144-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-146-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-148-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-149-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida
behavioral2/memory/4852-151-0x00000000000B0000-0x00000000012C7000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

5903752a25f8e28a9513478b749444bc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	5903752a25f8e28a9513478b749444bc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

5903752a25f8e28a9513478b749444bc.exe

pid process

4852 5903752a25f8e28a9513478b749444bc.exe

pid	process
4852	5903752a25f8e28a9513478b749444bc.exe

C:\Users\Admin\AppData\Local\Temp\5903752a25f8e28a9513478b749444bc.exe
"C:\Users\Admin\AppData\Local\Temp\5903752a25f8e28a9513478b749444bc.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
PID:4852

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/4852-133-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-134-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-135-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-136-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-137-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-138-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-139-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-141-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-143-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-144-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-146-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-148-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-149-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download
memory/4852-151-0x00000000000B0000-0x00000000012C7000-memory.dmp

Filesize
18.1MB

Download