stealc | 05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 02:04

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General

Target

05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.exe
Size

2.1MB
MD5

5a5ac68cc363af5a3ba4001c89bb9f62
SHA1

13a20c0de490f84d2eae8adccb8fd0d3c23832ee
SHA256

05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed
SHA512

24021ff5f2ed628ff0b3ed3510b63bb3187326aea8a5ecec837f9c95770ea10ca5e14731dec5c7db74594fff3107fd64af696972cbe320ecfa149cbaa0346ee0
SSDEEP

49152:ei/2x3dGN7PAcbzKpISwds4lZsqG3lhMmCRBrd3h:V/2x3dOoMKksw4V+lBrdR

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__	05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.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	05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.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-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2580	05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.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	05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2580	05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.exe

C:\Users\Admin\AppData\Local\Temp\05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.exe
"C:\Users\Admin\AppData\Local\Temp\05457cd30049b97d7904f20206912e1dfabd4f5831f721bfb8668c7f14e4f2ed.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:2580

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/2580-0-0x0000000000A60000-0x00000000011AC000-memory.dmp

Filesize
7.3MB

Download
memory/2580-1-0x0000000077010000-0x0000000077012000-memory.dmp

Filesize
8KB

Download
memory/2580-2-0x0000000000A61000-0x0000000000AC9000-memory.dmp

Filesize
416KB

Download
memory/2580-3-0x0000000000A60000-0x00000000011AC000-memory.dmp

Filesize
7.3MB

Download
memory/2580-5-0x0000000000A60000-0x00000000011AC000-memory.dmp

Filesize
7.3MB

Download