stealc | 75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 02:57

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General

Target

75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.exe
Size

2.1MB
MD5

7451a482de660b001df17c6bef776dc0
SHA1

e346631fab4d4ad4833d8ead0eaf7071c0346f9e
SHA256

75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39
SHA512

70fdf85efa3dd850a371350dbfa989ef8d47321ad56df8e1af144e39fc29a5ac74468c58feea21d764c42ca537c307ce012f91f67dbffb40b66a26095f779907
SSDEEP

49152:7ejT3GNRpJdmRd8mk9jpjC0L+131Knawovz+JpY4yll:wTGbkRCH9BC0L+1316fovzcSXl

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__	75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.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	75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2620	75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.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	75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2620	75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.exe

C:\Users\Admin\AppData\Local\Temp\75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.exe
"C:\Users\Admin\AppData\Local\Temp\75e0778aca3baa95da30a276d933e1fbcdba4a737edd2ff728d87001851dae39.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:2620

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/2620-0-0x0000000000930000-0x000000000106D000-memory.dmp

Filesize
7.2MB

Download
memory/2620-1-0x0000000077690000-0x0000000077692000-memory.dmp

Filesize
8KB

Download
memory/2620-2-0x0000000000931000-0x0000000000999000-memory.dmp

Filesize
416KB

Download
memory/2620-3-0x0000000000930000-0x000000000106D000-memory.dmp

Filesize
7.2MB

Download
memory/2620-4-0x0000000000930000-0x000000000106D000-memory.dmp

Filesize
7.2MB

Download