stealc | f1c43165e40e9dcd5ff0830c0f7c4b29fdfcf4653a261a4e99e1c8029ef13101

Analysis

max time kernel
135s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 01:06

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General

Target

1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.exe
Size

2.0MB
MD5

1fdb79f6854abd31f84d63942a7df92a
SHA1

69545d24afcd930549a8a86b72ade7e29ccdf5ca
SHA256

1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620
SHA512

95d7c4d143ab3bb6f2e68252f23eeedadfb3a7348f96f21d81e3993b90bd07573d40ac9157b0bac85d9ffb93e509ac07f82b1813e8076998dbb26e16be20aa53
SSDEEP

49152:qFZNYZAyuGFMFRlLTGfIUerX9PrG48bvTnBj9YHr4TYVY:qFsxFQRlTseb9jG4+LRirW

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__	1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.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	1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.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-1-5-21-4089630652-1596403869-279772308-1000\Software\Wine	1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
988	1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.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	1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
988	1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.exe
988	1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.exe

C:\Users\Admin\AppData\Local\Temp\1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.exe
"C:\Users\Admin\AppData\Local\Temp\1708d8fa5bfe7e674be8a001ae811730edb7af49fde4e2bf131ae51ac5a19620.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:988

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/988-0-0x0000000000220000-0x000000000094F000-memory.dmp

Filesize
7.2MB

Download
memory/988-1-0x0000000077AA4000-0x0000000077AA6000-memory.dmp

Filesize
8KB

Download
memory/988-2-0x0000000000221000-0x0000000000289000-memory.dmp

Filesize
416KB

Download
memory/988-3-0x0000000000220000-0x000000000094F000-memory.dmp

Filesize
7.2MB

Download
memory/988-5-0x0000000000220000-0x000000000094F000-memory.dmp

Filesize
7.2MB

Download