stealc | e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 06:31

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General

Target

e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe
Size

1.8MB
MD5

f7bd1f6e3feb705640a55b2aac76d4d9
SHA1

f1fa6a2fa7060b7121b5b2ec44fad1830a569ed7
SHA256

e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5
SHA512

34d0d76cc51a6870eb0888e366268b2d925ae1cc0de8ac0f72635a1e11024bd25ca1d86a384979063f6a7dc96b862e27e92fd23dcfb4f23a1c7ec10d097e11d8
SSDEEP

49152:x1x0BBe2Hl5M+8jPn1pKgB2A5IuNlBaLBJJXmF:bxWBZHAZKgPdbUvI

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__	e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.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	e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4792	e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.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	e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4792	e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe
4792	e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe

C:\Users\Admin\AppData\Local\Temp\e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.exe
"C:\Users\Admin\AppData\Local\Temp\e22e3b89ef8ab48d25c42fe23d6fa4d31de9404346fbf38c525d796d6cae2da5.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:4792

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/4792-0-0x0000000000820000-0x0000000000ED4000-memory.dmp

Filesize
6.7MB

Download
memory/4792-1-0x0000000077584000-0x0000000077586000-memory.dmp

Filesize
8KB

Download
memory/4792-2-0x0000000000821000-0x0000000000838000-memory.dmp

Filesize
92KB

Download
memory/4792-3-0x0000000000820000-0x0000000000ED4000-memory.dmp

Filesize
6.7MB

Download
memory/4792-5-0x0000000000820000-0x0000000000ED4000-memory.dmp

Filesize
6.7MB

Download