stealc | d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471

Analysis

max time kernel
139s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2024 05:38

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General

Target

d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe
Size

1.8MB
MD5

1a620c32bb500e477b34d9259df8687c
SHA1

e008e2e65f786b46240fabde3bd24f18d0bb1dad
SHA256

d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471
SHA512

db680b5160dc661accc58ea37da304faae33832d94c3879b445511dde14c804942c490237dc30a477b89fd64c2af8ea41c3f0307eaaaa5a76f8e7c64b20cc434
SSDEEP

24576:LU+IShbUR/FXYAMMiNj7+WFLXoPLEwnoEUb2DBIwSmArD0SmohTnFI5tC/68:L4RyAif+WyTEi+baBIwSS+ktw68

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

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

Processes:

d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.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:

d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.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:

d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

pid process

4996 d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.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:

d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

pid	process
4996	d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe
4996	d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe

C:\Users\Admin\AppData\Local\Temp\d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.exe
"C:\Users\Admin\AppData\Local\Temp\d471a5d2779134bc136114e9d1b3ae646253790e7f61f8a7f7493b5373c92471.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:4996

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/4996-0-0x0000000000DA0000-0x000000000143D000-memory.dmp

Filesize
6.6MB

Download
memory/4996-1-0x0000000077034000-0x0000000077036000-memory.dmp

Filesize
8KB

Download
memory/4996-2-0x0000000000DA1000-0x0000000000DC4000-memory.dmp

Filesize
140KB

Download
memory/4996-3-0x0000000000DA0000-0x000000000143D000-memory.dmp

Filesize
6.6MB

Download
memory/4996-4-0x0000000000DA0000-0x000000000143D000-memory.dmp

Filesize
6.6MB

Download