stealc | 8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727

Analysis

max time kernel
111s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:13

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General

Target

8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.exe
Size

2.0MB
MD5

6b99b9f5072d436f841a24c4fe630a30
SHA1

023f9fff10ba70a12132367296c34937bc4a315c
SHA256

8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727
SHA512

6d9db36a2c55b5747846b373f872bbebf0b01f5b9f305ecccc837555b0f1dbb8ddf31acf116f7c2c6c5744c0a6c6459d517531d8f88ab291ba680e4f499adba6
SSDEEP

49152:m0Tuh/darkg5+h/jtnP1KgdjDtGbJwo/mZrF5I:Dqh/wrd5+hrt9KgdjDtGdwMm75

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__	8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.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	8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4144	8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.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	8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4144	8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.exe
4144	8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.exe

C:\Users\Admin\AppData\Local\Temp\8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.exe
"C:\Users\Admin\AppData\Local\Temp\8db18ec4c9132042c96a79d4f23dd4c1faa3955156bb6380546ef0ce83be5727N.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:4144

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/4144-0-0x0000000000350000-0x0000000000A76000-memory.dmp

Filesize
7.1MB

Download
memory/4144-1-0x00000000778C4000-0x00000000778C6000-memory.dmp

Filesize
8KB

Download
memory/4144-2-0x0000000000351000-0x00000000003B9000-memory.dmp

Filesize
416KB

Download
memory/4144-3-0x0000000000350000-0x0000000000A76000-memory.dmp

Filesize
7.1MB

Download
memory/4144-4-0x0000000000350000-0x0000000000A76000-memory.dmp

Filesize
7.1MB

Download