stealc | 84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a

Analysis

max time kernel
94s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 18:20

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General

Target

84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.exe
Size

1.8MB
MD5

02e4fe04a3d664797bf0d07dba1f5f4d
SHA1

f9f3f32bffd6414bcf37e2bc50a73dccc50aa35c
SHA256

84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a
SHA512

f57c17be38b3021eeaeaeb79c8905987b1984f41fb5994c06d9ad16911d5047c5d4f12252a52eb0108a6073b437f43a3878ff98514d198b6c8445b279f33f0d4
SSDEEP

49152:Wx6zBehT4OGX8KqNeFEihNyHB7u2z9xh9G7q0:WUOiMpaEihNmBXz9E7

Score

10^/10

stealc stok defense_evasion discovery 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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.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	84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.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.

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3036	84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.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	84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3036	84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.exe
3036	84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.exe

C:\Users\Admin\AppData\Local\Temp\84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.exe
"C:\Users\Admin\AppData\Local\Temp\84748543fb2eaa8b32a422616551f3a29697814581f5b08818c4e75a17cfde0a.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:3036

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/3036-0-0x00000000009E0000-0x0000000001098000-memory.dmp

Filesize
6.7MB

Download
memory/3036-1-0x0000000077834000-0x0000000077836000-memory.dmp

Filesize
8KB

Download
memory/3036-2-0x00000000009E1000-0x00000000009F8000-memory.dmp

Filesize
92KB

Download
memory/3036-4-0x00000000009E0000-0x0000000001098000-memory.dmp

Filesize
6.7MB

Download
memory/3036-5-0x00000000009E0000-0x0000000001098000-memory.dmp

Filesize
6.7MB

Download