stealc | 8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c

Analysis

max time kernel
94s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 01:57

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General

Target

8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.exe
Size

1.7MB
MD5

629ed7eee0ee817a48972c5b01ae0275
SHA1

e701b6bf02d4bf6a7a827b3f927a8e3e7ce909fb
SHA256

8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c
SHA512

2cf8ddcc70eee26f65e971e9bdb13a8f18dab5a0cdb00326fef910f91d87e5c56e6cce54cc1add6660d490b23834acc3f7d329474e215bc8b13ba811ccf422f9
SSDEEP

24576:XC5gNZUIfT0CqoB5qb/7yMYDC2nx1fE5P2QZaU80vClYxUKUp3uUpoXX4r4MM206:XGE0/sqb/7y1na+QwUfZUt+FX76Tkm

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.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	8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4520	8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.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	8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4520	8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.exe
4520	8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.exe

C:\Users\Admin\AppData\Local\Temp\8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.exe
"C:\Users\Admin\AppData\Local\Temp\8884a1de775b44c1048c671ce5d571b357076cf1efdb254b660d51bf012fba8c.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:4520

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/4520-0-0x0000000000600000-0x0000000000C8E000-memory.dmp

Filesize
6.6MB

Download
memory/4520-1-0x0000000077504000-0x0000000077506000-memory.dmp

Filesize
8KB

Download
memory/4520-2-0x0000000000601000-0x0000000000624000-memory.dmp

Filesize
140KB

Download
memory/4520-3-0x0000000000600000-0x0000000000C8E000-memory.dmp

Filesize
6.6MB

Download
memory/4520-4-0x0000000000600000-0x0000000000C8E000-memory.dmp

Filesize
6.6MB

Download