stealc | d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 03:42

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General

Target

d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.exe
Size

2.1MB
MD5

d6866be0728d336b4ae8911c91ed08c3
SHA1

be634114f24dc3c8aee37f97c47cb5ac930cc7e0
SHA256

d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5
SHA512

ac153141ed39158389d72c583f81e805046eb1d914bd847aafbd3f7d6783262953410c2b7542790682f27b31d00eda1a8acd6feecc06d2b94794a25114c20151
SSDEEP

49152:c9JHoTwRJIbv7hzahtEl770Z3XGETcnbcBdKuG3e8JKK:cXHoYe/hGU/EXmcbKD3e8s

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.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	d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2236	d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.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	d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2236	d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.exe
2236	d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.exe

C:\Users\Admin\AppData\Local\Temp\d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.exe
"C:\Users\Admin\AppData\Local\Temp\d49f1d22fcbeb7167938a73180c3f88b984eb712458fdd29945bd32aed613ca5.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:2236

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/2236-0-0x0000000000030000-0x0000000000776000-memory.dmp

Filesize
7.3MB

Download
memory/2236-1-0x0000000077B44000-0x0000000077B46000-memory.dmp

Filesize
8KB

Download
memory/2236-2-0x0000000000031000-0x0000000000099000-memory.dmp

Filesize
416KB

Download
memory/2236-3-0x0000000000030000-0x0000000000776000-memory.dmp

Filesize
7.3MB

Download
memory/2236-5-0x0000000000030000-0x0000000000776000-memory.dmp

Filesize
7.3MB

Download