stealc | d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 02:47

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General

Target

d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe
Size

1.7MB
MD5

4bad8287c5a86eece84ae3eeef0e3ece
SHA1

241ff4e835e0a51700838430a596e197259b3ee2
SHA256

d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58
SHA512

9e4e47dd222e5076d7384b395b8af7586536aa7358b576fb7813e59b4a6b7ca90da74a58702b68160cb01b2ba0b6c354509df8dad2dde5d10ac17fdebf2c21ea
SSDEEP

49152:4ucGQoTHEJRMRseP6WimqVqX+WNdS9Crias7U6yJ:42HE8VPum2b4d6U6y

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.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:

d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

pid	Process
3944	d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

pid	Process
3944	d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe
3944	d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe

C:\Users\Admin\AppData\Local\Temp\d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe
"C:\Users\Admin\AppData\Local\Temp\d605ba8b1c39b46eb25930d626732370bc4fbe2552a047fad1db96c2f7086d58.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3944-0-0x00000000005A0000-0x0000000000C45000-memory.dmp

Filesize
6.6MB

Download
memory/3944-1-0x0000000077124000-0x0000000077126000-memory.dmp

Filesize
8KB

Download
memory/3944-2-0x00000000005A1000-0x00000000005B8000-memory.dmp

Filesize
92KB

Download
memory/3944-3-0x00000000005A0000-0x0000000000C45000-memory.dmp

Filesize
6.6MB

Download
memory/3944-5-0x00000000005A0000-0x0000000000C45000-memory.dmp

Filesize
6.6MB

Download