stealc | 9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 02:17

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General

Target

9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.exe
Size

1.8MB
MD5

b4b42d42e8416be5a8e8a82128fa5b7d
SHA1

afaa0dab7641ef5398cfbdf46cc3acc5f1cf4c81
SHA256

9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39
SHA512

1d2a0a34c30444ab02081ef00388aea4eb8116d03d5945190f047b1dab6303950c6e7e49e6f536d746890fb43a2c55e248f5d757adee234437af16ac49974fe2
SSDEEP

49152:AwrTJ3mlwFh5zs6aAgui4TllbQ51wdg5M+RK3xtxl:AwrV3m+Ff0ARlr02g/Grxl

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.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\VideoBiosVersion	9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.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	9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5080	9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.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	9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5080	9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.exe
5080	9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.exe

C:\Users\Admin\AppData\Local\Temp\9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.exe
"C:\Users\Admin\AppData\Local\Temp\9a30602027dae451db62a56ec35407da31fd3c906e043784fc8e07787689eb39.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:5080

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/5080-0-0x00000000005A0000-0x0000000000C51000-memory.dmp

Filesize
6.7MB

Download
memory/5080-1-0x00000000776C4000-0x00000000776C6000-memory.dmp

Filesize
8KB

Download
memory/5080-2-0x00000000005A1000-0x00000000005C4000-memory.dmp

Filesize
140KB

Download
memory/5080-3-0x00000000005A0000-0x0000000000C51000-memory.dmp

Filesize
6.7MB

Download
memory/5080-5-0x00000000005A0000-0x0000000000C51000-memory.dmp

Filesize
6.7MB

Download