stealc | fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 03:53

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General

Target

fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.exe
Size

1.7MB
MD5

25663f093ebd742e906f2ea9731d1d40
SHA1

c1704d6a226e74989aa7e488874d8c183f8c50d9
SHA256

fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb
SHA512

bfe45cd09c18b174144ee3691d12804b9592977e0095f4b1a29b3c63575ddc058dcd1d6531400b6f1be0462e1f7d1bc97d285d9fb9c683c93349f1b011f5382f
SSDEEP

49152:4WqEDoFAsU8jp4Prwp4V8qdfyc1ZBQnYWeBoA8tL+:43u0AsLd4PnV8qdfD1jcYW+8tL+

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__	fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.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	fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2032	fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.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	fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2032	fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.exe

C:\Users\Admin\AppData\Local\Temp\fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.exe
"C:\Users\Admin\AppData\Local\Temp\fee071d41f0357fcd54df7592d7d872f6627daaa111fc44ae34b73681f6fccdb.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:2032

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

Replay Monitor

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Downloads

memory/2032-0-0x0000000000B90000-0x0000000001219000-memory.dmp

Filesize
6.5MB

Download
memory/2032-1-0x0000000077A50000-0x0000000077A52000-memory.dmp

Filesize
8KB

Download
memory/2032-2-0x0000000000B91000-0x0000000000BA8000-memory.dmp

Filesize
92KB

Download
memory/2032-3-0x0000000000B90000-0x0000000001219000-memory.dmp

Filesize
6.5MB

Download
memory/2032-4-0x0000000000B90000-0x0000000001219000-memory.dmp

Filesize
6.5MB

Download