stealc | f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9

Analysis

max time kernel
148s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 03:29

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General

Target

f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe
Size

1.7MB
MD5

e2fef9de68b89d7bb679918977c0f089
SHA1

19a93a049dce3c285f508aa6ead57637149917ef
SHA256

f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9
SHA512

9fc1d0301efb1d7c927713a18205a482266f17ebf207432a028cb4eda422a1f149327696d6d8f0aca0b20c4e9608cd9c93d953ccd0b612bbf457b203392069b6
SSDEEP

49152:R3DalpcZooZro8/WqAkSbG+CEHZMd4FGL:R3DalIoTqAkDUJQ

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:

f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.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:

f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.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:

f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

pid process

976 f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.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:

f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

pid	process
976	f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe
976	f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe

C:\Users\Admin\AppData\Local\Temp\f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.exe
"C:\Users\Admin\AppData\Local\Temp\f46ec872bb777f2298dfc842b7ee4091e146ce829cb9b4174275bc393ffdfbb9.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:976

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/976-0-0x0000000000290000-0x0000000000915000-memory.dmp

Filesize
6.5MB

Download
memory/976-1-0x0000000077DD4000-0x0000000077DD6000-memory.dmp

Filesize
8KB

Download
memory/976-2-0x0000000000291000-0x00000000002A8000-memory.dmp

Filesize
92KB

Download
memory/976-3-0x0000000000290000-0x0000000000915000-memory.dmp

Filesize
6.5MB

Download
memory/976-5-0x0000000000290000-0x0000000000915000-memory.dmp

Filesize
6.5MB

Download