stealc | 08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae

Analysis

max time kernel
99s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 02:04

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General

Target

08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe
Size

1.7MB
MD5

e0907cecf84597ff5476178c7addd920
SHA1

d8deb30212420bf1ef69199146d869cf5408e836
SHA256

08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae
SHA512

8c51b90d7aef29a5f3e7fe4410035fbdc876d4a4966e119cecdef672fa6abe652762faec5d214cd210ed9c185083718946a8434a0d0fe24a20ac9793339f1336
SSDEEP

49152:4yh6egfj+MefPacdainejo0OeG3gMcHgv/5yD:4yh61fj+5yc0JpNFTE/wD

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:

08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.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:

08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.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:

08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

pid	Process
5012	08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.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:

08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

pid	Process
5012	08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe
5012	08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe

C:\Users\Admin\AppData\Local\Temp\08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.exe
"C:\Users\Admin\AppData\Local\Temp\08dc99ba8da04f16d328f32f11c7721366ecfaafd04c21e7b3c0a3a2eb794dae.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:5012

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/5012-0-0x0000000000110000-0x00000000007B7000-memory.dmp

Filesize
6.7MB

Download
memory/5012-1-0x0000000077A14000-0x0000000077A16000-memory.dmp

Filesize
8KB

Download
memory/5012-2-0x0000000000111000-0x0000000000128000-memory.dmp

Filesize
92KB

Download
memory/5012-3-0x0000000000110000-0x00000000007B7000-memory.dmp

Filesize
6.7MB

Download
memory/5012-5-0x0000000000110000-0x00000000007B7000-memory.dmp

Filesize
6.7MB

Download