stealc | d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 14:06

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General

Target

d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.exe
Size

1.8MB
MD5

3df68d5aa6b8f8addd441a9e58aa589f
SHA1

a4034e335b7bd572bf38e1185b2030298d99175b
SHA256

d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7
SHA512

302351c4eb934add85c5f2fc7cd86638e7002db083651f54e3c48ccb3cf9cc544bda1ef9cd455aab870a2b7e0d77a33bc190efff082120cf73d215fc01ba1f7e
SSDEEP

24576:hxhNoPe11COsLlFV/lqH8F+KK01QX4Qo7usvosu/seYd7fPLeItCiL0V9AIvLxl3:hxme1/s7l0c/KUysPKxCDlsZzA4j

Score

10^/10

stealc save discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

save

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

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

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1576	d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1576	d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.exe
1576	d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.exe

C:\Users\Admin\AppData\Local\Temp\d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.exe
"C:\Users\Admin\AppData\Local\Temp\d39f448e8875c318fe4b2e48cfd0bbdba371c787f82584eefe2fa5ee5addaea7.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:1576

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/1576-0-0x0000000000D70000-0x000000000141C000-memory.dmp

Filesize
6.7MB

Download
memory/1576-1-0x0000000077274000-0x0000000077276000-memory.dmp

Filesize
8KB

Download
memory/1576-2-0x0000000000D71000-0x0000000000D94000-memory.dmp

Filesize
140KB

Download
memory/1576-3-0x0000000000D70000-0x000000000141C000-memory.dmp

Filesize
6.7MB

Download
memory/1576-4-0x0000000000D70000-0x000000000141C000-memory.dmp

Filesize
6.7MB

Download