stealc | d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 03:17

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General

Target

d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.exe
Size

2.0MB
MD5

d75cd72f7154399e60b3a3b1801512ed
SHA1

1808e1df096edf223855c2269562b93e031ca3b0
SHA256

d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016
SHA512

b388a1c4915bcfc68d4f9345773fda004dd06143ab1f57fd7d0c3aa4134fa73ee6e412f9dae18bdc12fd6517db78d76936c8f4af4629d79da04d0213c5665ae1
SSDEEP

49152:lPPXDKujeA8ks3q6mgLYzLF4VRneX1BVi8C9fuMxl4GUVwB9RK:5PXaA8kvoG43nDHfuMxl4twB9RK

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__	d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.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	d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2072	d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.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	d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2072	d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.exe

C:\Users\Admin\AppData\Local\Temp\d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.exe
"C:\Users\Admin\AppData\Local\Temp\d238402f837f3ca9b607245fff0f8390398f842344664e3d5af2ab33f8cbc016.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:2072

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/2072-0-0x0000000000220000-0x000000000094C000-memory.dmp

Filesize
7.2MB

Download
memory/2072-1-0x0000000077280000-0x0000000077282000-memory.dmp

Filesize
8KB

Download
memory/2072-2-0x0000000000221000-0x0000000000289000-memory.dmp

Filesize
416KB

Download
memory/2072-3-0x0000000000220000-0x000000000094C000-memory.dmp

Filesize
7.2MB

Download
memory/2072-4-0x0000000000220000-0x000000000094C000-memory.dmp

Filesize
7.2MB

Download