stealc | 385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 07:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe
Size

1.7MB
MD5

4af4fd1359ae8fae97130ce218f55035
SHA1

423eff555900f795dda17a065b6e46e76d11b2ab
SHA256

385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6
SHA512

63b4a2e820db97deb4b4119ab2759ff3212c5bd0b6dd21deaad403729ccd1f06f6d4c267adba3e920ab1ce13b611a56fdd8aa79241ebdf3db039fb2212a21f21
SSDEEP

49152:/eO2qj9oTQdX7HCYO6pNSdhxTSw+8clerl7PZ6DzLT0:yqjzd+YOQ8dhBU7li7aX0

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:

385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.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:

385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.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:

385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

pid process

2016 385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

pid	process
2016	385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.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:

385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

pid process

2016 385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

pid	process
2016	385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe

C:\Users\Admin\AppData\Local\Temp\385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.exe
"C:\Users\Admin\AppData\Local\Temp\385057393bd0f229405d31ff87797fbadfb4e410f4cd9c676fa03d52302a19e6.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:2016

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2016-0-0x00000000012A0000-0x000000000193B000-memory.dmp

Filesize
6.6MB

Download
memory/2016-1-0x00000000779B0000-0x00000000779B2000-memory.dmp

Filesize
8KB

Download
memory/2016-2-0x00000000012A1000-0x00000000012B8000-memory.dmp

Filesize
92KB

Download
memory/2016-3-0x00000000012A0000-0x000000000193B000-memory.dmp

Filesize
6.6MB

Download
memory/2016-5-0x00000000012A0000-0x000000000193B000-memory.dmp

Filesize
6.6MB

Download