stealc | 25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/01/2025, 20:03 UTC

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General

Target

25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.exe
Size

1.7MB
MD5

8027822815cb0b811b037fc3b6ecc8ca
SHA1

d15f6a1410bedc1613adbb38ef7d8e3885ee9aa1
SHA256

25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4
SHA512

9808345138463ec2868c68f35d796385f535de4ac24c69f99a2c816e1a0f22220d59fbe0318741b6bbc9f5a922383da8579edfc707777ce4e06e848d3c884e0b
SSDEEP

49152:v+ejIGhXgwR+ms4urc8AS3rhHT1lymdpL8p2OdsIayYWW:5IRqls4/AJrymES5

Score

10^/10

stealc stok defense_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

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.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	25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2276	25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2276	25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.exe

C:\Users\Admin\AppData\Local\Temp\25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.exe
"C:\Users\Admin\AppData\Local\Temp\25eb452cc6bf5d2e902be00abfb7ec85bbe37ba570a513e2a022a70e22d10ee4.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
- Suspicious behavior: EnumeratesProcesses
PID:2276

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

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2276-0-0x0000000000890000-0x0000000000F1D000-memory.dmp

Filesize
6.6MB

Download
memory/2276-1-0x0000000077370000-0x0000000077372000-memory.dmp

Filesize
8KB

Download
memory/2276-3-0x0000000000891000-0x00000000008A8000-memory.dmp

Filesize
92KB

Download
memory/2276-4-0x0000000000890000-0x0000000000F1D000-memory.dmp

Filesize
6.6MB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads

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