stealc | 747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 01:25

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General

Target

747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.exe
Size

1.8MB
MD5

7f275c6abf9ee064febb9736bfb047f2
SHA1

5c93982f849358223f1472caf1ed8f2061a66616
SHA256

747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1
SHA512

cda88ba64f11c67d372a9398eb949fc328e48551fa4b48d2095bd32c86daed1c18f1aea6817e9bd4ad887e7c5c87cffcda5de66aed33da95c0e238a78794f53f
SSDEEP

49152:ckVAooLtdIs2ioLW/NrC5lvRQ0lukTFe:X2ooBJC5lfy

Score

10^/10

stealc save discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

save

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__	747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.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\VideoBiosVersion	747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.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-1-5-21-945322488-2060912225-3527527000-1000\Software\Wine	747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4248	747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.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	747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4248	747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.exe
4248	747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.exe

C:\Users\Admin\AppData\Local\Temp\747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.exe
"C:\Users\Admin\AppData\Local\Temp\747c903a9c783a32613d454bc73e8911525fe3b3f0c72b138458ab7f9fbe1cb1.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:4248

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/4248-0-0x0000000000ED0000-0x0000000001582000-memory.dmp

Filesize
6.7MB

Download
memory/4248-1-0x0000000077614000-0x0000000077616000-memory.dmp

Filesize
8KB

Download
memory/4248-2-0x0000000000ED1000-0x0000000000EF4000-memory.dmp

Filesize
140KB

Download
memory/4248-3-0x0000000000ED0000-0x0000000001582000-memory.dmp

Filesize
6.7MB

Download
memory/4248-4-0x0000000000ED0000-0x0000000001582000-memory.dmp

Filesize
6.7MB

Download