stealc | e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001

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
12-12-2024 12:30

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General

Target

e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.exe
Size

1.8MB
MD5

d21609e703999b87040f7a9b6237f5e8
SHA1

1fe2bd28aa876fa28fa9cd33f51f00fc82b8b3d5
SHA256

e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001
SHA512

07ce349bfd56a57c5e5524781d34f2df0ec0d65f88934114100f8094d3f0fa47b029dac14c55f2864207fbd7923cdbda3fda5df7bcaf9c41c9b1417ec1d08b3c
SSDEEP

49152:OofRfMoPyGqpLHU1r1MPuXh8AXhbB5AsYw7JQF:pWbBlHU1yPw5BDZq

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.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__	e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.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	e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2788	e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.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	e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2788	e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.exe

C:\Users\Admin\AppData\Local\Temp\e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.exe
"C:\Users\Admin\AppData\Local\Temp\e9b37653e9dc29f692778fbbb88e970afbeaad574855255ca278eda13d79e001.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:2788

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/2788-0-0x00000000010B0000-0x000000000176E000-memory.dmp

Filesize
6.7MB

Download
memory/2788-1-0x0000000077900000-0x0000000077902000-memory.dmp

Filesize
8KB

Download
memory/2788-2-0x00000000010B1000-0x00000000010C8000-memory.dmp

Filesize
92KB

Download
memory/2788-3-0x00000000010B0000-0x000000000176E000-memory.dmp

Filesize
6.7MB

Download
memory/2788-4-0x00000000010B0000-0x000000000176E000-memory.dmp

Filesize
6.7MB

Download