stealc | 50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aac

Analysis

max time kernel
103s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 15:04

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General

Target

50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.exe
Size

2.1MB
MD5

943ef4ceee0552b2a23e7f50163c16a0
SHA1

108869e2d6f5298b80ffcda8a708d63bff02fb4a
SHA256

50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aac
SHA512

0d4c2091ba41cf6aab0e376212694920b6b784f9835a2bfc0d8d0229c74d085615a83e772765ff2ec7f637264e61706d5d276feb4b4f40a8117e6c523203c9fc
SSDEEP

49152:58VIWqAyU/KinXQJvMmWGupmgalt8DwsiXKml2mpj2a+w93:8IuB/KiXAvMmWdAlqEImbfj93

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.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\SystemBiosVersion	50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4156	50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.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	50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4156	50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.exe
4156	50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.exe

C:\Users\Admin\AppData\Local\Temp\50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.exe
"C:\Users\Admin\AppData\Local\Temp\50c5eb159c1df9e3627a2dc270297d65e759fba62e4c6081619365357f188aacN.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:4156

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/4156-0-0x0000000000BD0000-0x000000000130F000-memory.dmp

Filesize
7.2MB

Download
memory/4156-1-0x0000000077864000-0x0000000077866000-memory.dmp

Filesize
8KB

Download
memory/4156-2-0x0000000000BD1000-0x0000000000C39000-memory.dmp

Filesize
416KB

Download
memory/4156-3-0x0000000000BD0000-0x000000000130F000-memory.dmp

Filesize
7.2MB

Download
memory/4156-5-0x0000000000BD0000-0x000000000130F000-memory.dmp

Filesize
7.2MB

Download