stealc | b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de

Analysis

max time kernel
93s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2024, 10:49

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General

Target

b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.exe
Size

1.8MB
MD5

e52e506fdf28a1f1d9db6b646e893880
SHA1

dddc42d3312cb43a63afb8ed11c019b1df71295d
SHA256

b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de
SHA512

730f183893a87a0cb924da05c8b90578e190130db759c8e56f6748a482f0b24a17f3373929f655b552124c692dc45adc3175eadc983f01be3e73aec76302971d
SSDEEP

24576:AP/ZoleUqE2DF297I0b3Y9mtfytfV7NCZK2GUg9Mvd3yE98V7TlkKSmwSYoS922q:WokUqO7I08sZ81IZKJ/9Gy+4no6I4h

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.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	b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3080	b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.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	b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3080	b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.exe
3080	b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.exe

C:\Users\Admin\AppData\Local\Temp\b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.exe
"C:\Users\Admin\AppData\Local\Temp\b0c84fae2107b2d65d690ebc1c62d5afedd376bdcf7818aaf36614204fdf21de.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:3080

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/3080-0-0x0000000000D90000-0x000000000144D000-memory.dmp

Filesize
6.7MB

Download
memory/3080-1-0x0000000076F54000-0x0000000076F56000-memory.dmp

Filesize
8KB

Download
memory/3080-2-0x0000000000D91000-0x0000000000DA8000-memory.dmp

Filesize
92KB

Download
memory/3080-3-0x0000000000D90000-0x000000000144D000-memory.dmp

Filesize
6.7MB

Download
memory/3080-4-0x0000000000D90000-0x000000000144D000-memory.dmp

Filesize
6.7MB

Download