stealc | 6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 01:27

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General

Target

6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.exe
Size

1.8MB
MD5

36cb6ec78aa8cd0a33dfb06d03a0a389
SHA1

42cc15ec861309afa84e627e563d251da1afc4c4
SHA256

6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1
SHA512

f0e7be775cec5fc9710de71652fe48a3c70103e75d30868465cc47c73740fb6b163c5943e8cec4ff091e17c5d7ff7b5d682d245a58d02894d87e4fb1dd7f305b
SSDEEP

49152:m8ZF3q43USo4eI5+louuCkIbceV6+PDFl83sUiitG75txsNa:/q4EFpuCkQxZbFS8Xit++Na

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__	6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.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	6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.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-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine	6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
388	6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.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	6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
388	6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.exe
388	6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.exe

C:\Users\Admin\AppData\Local\Temp\6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.exe
"C:\Users\Admin\AppData\Local\Temp\6a3d7bcaf7fcd1ce511dea3e3eaafcf425d1c98c2c6d3e94b6b5bb66bab866f1.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:388

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

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Downloads

memory/388-0-0x0000000000DF0000-0x0000000001492000-memory.dmp

Filesize
6.6MB

Download
memory/388-1-0x0000000077B64000-0x0000000077B66000-memory.dmp

Filesize
8KB

Download
memory/388-2-0x0000000000DF1000-0x0000000000E14000-memory.dmp

Filesize
140KB

Download
memory/388-3-0x0000000000DF0000-0x0000000001492000-memory.dmp

Filesize
6.6MB

Download
memory/388-4-0x0000000000DF0000-0x0000000001492000-memory.dmp

Filesize
6.6MB

Download