stealc | f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53

Analysis

max time kernel
150s
max time network
152s
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 03:21

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General

Target

f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe
Size

1.7MB
MD5

0157dd2ed057c6d60f978e502fbee0d8
SHA1

c55dfd3bf8e99c7925d83ac14e96b7eccec2383c
SHA256

f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53
SHA512

8af621f9303824192ef1c2a8f3f94a5dc4eb4436ed14f0af970051928dba42e3ae17baea629b7889be2479dcb6ed265598ca4f73d47a59a449495427bfe327af
SSDEEP

24576:I4S0ocJUWAnv8e2GbMa+LE1m8ZhfOJmCJf1NHqLg2678i5/1C:I4S0ohWAv8e9pO2DZhfg91oL/6B

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:

f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.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:

f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.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:

f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

pid process

548 f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.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:

f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

pid	process
548	f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe
548	f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe

C:\Users\Admin\AppData\Local\Temp\f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.exe
"C:\Users\Admin\AppData\Local\Temp\f8806791549705d6be98d2b40314fd54bac69524369e3ff429c9d18b0acebd53.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:548

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/548-0-0x0000000000560000-0x0000000000BEC000-memory.dmp

Filesize
6.5MB

Download
memory/548-1-0x0000000077CB4000-0x0000000077CB6000-memory.dmp

Filesize
8KB

Download
memory/548-2-0x0000000000561000-0x0000000000578000-memory.dmp

Filesize
92KB

Download
memory/548-3-0x0000000000560000-0x0000000000BEC000-memory.dmp

Filesize
6.5MB

Download
memory/548-4-0x0000000000560000-0x0000000000BEC000-memory.dmp

Filesize
6.5MB

Download