stealc | 3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1

Analysis

max time kernel
94s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 04:07

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General

Target

3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe
Size

1.8MB
MD5

4aa6455467f057d4ecc679594c842f1f
SHA1

77fc6e6b77596088193d357ab7be0a2412920169
SHA256

3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1
SHA512

f9a555449e8b50e13a5c574b9f764d4ed52deb0a6e0f76eff5a9af42a90aaea1c729e4b753d09f0b53099091222203dc74ee2ed0c4f4fe92b23409bfba3f6ad7
SSDEEP

49152:F44DpqrtczV4MzyNqeTV8wu0DVgJrf/T34ohS:64DYr+RnzSmBYAXT34oh

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:

3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.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:

3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.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:

3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

pid process

1780 3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.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:

3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

pid	process
1780	3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe
1780	3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe

C:\Users\Admin\AppData\Local\Temp\3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.exe
"C:\Users\Admin\AppData\Local\Temp\3252882deddce18bdd91379c9e9481ca36c045a5550e12465893a617022e62f1.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:1780

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/1780-0-0x00000000001D0000-0x0000000000880000-memory.dmp

Filesize
6.7MB

Download
memory/1780-1-0x00000000775C4000-0x00000000775C6000-memory.dmp

Filesize
8KB

Download
memory/1780-3-0x00000000001D0000-0x0000000000880000-memory.dmp

Filesize
6.7MB

Download
memory/1780-2-0x00000000001D1000-0x00000000001E8000-memory.dmp

Filesize
92KB

Download
memory/1780-4-0x00000000001D0000-0x0000000000880000-memory.dmp

Filesize
6.7MB

Download