stealc | 4b7c4f962efb008258a86ed61d4482ed555a42e635c8ae9d77a5c490cccecefa

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 10:31

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General

Target

file.exe
Size

1.7MB
MD5

53c07d8a0635d22d00ebfce7c37e1bb7
SHA1

2044708140b4ccf866422eb576c64c82a0e2bd9d
SHA256

4b7c4f962efb008258a86ed61d4482ed555a42e635c8ae9d77a5c490cccecefa
SHA512

b11ecf998822cb0c78bde20b5ac336a1a01df9d0ac8a735a790e18a94a0bd77e0a12f05cc5c4595d787ac9c5244977cedc5180d8bffac7f27bf51a9ea6355ffe
SSDEEP

24576:RafT4xd89Da5wA79C8Ojial5gnowdLVsQIDmXh5uKc3Cm5D+bAX3Ai17u/tkh39:4E89W517Ep15gnZLVsQbXPuK69EaDB

Score

10^/10

stealc leva discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

leva

http://185.215.113.100

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4512	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4512	file.exe
4512	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:4512

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/4512-0-0x0000000000F10000-0x0000000001584000-memory.dmp

Filesize
6.5MB

Download
memory/4512-1-0x0000000077124000-0x0000000077126000-memory.dmp

Filesize
8KB

Download
memory/4512-2-0x0000000000F11000-0x0000000000F25000-memory.dmp

Filesize
80KB

Download
memory/4512-3-0x0000000000F10000-0x0000000001584000-memory.dmp

Filesize
6.5MB

Download
memory/4512-5-0x0000000000F10000-0x0000000001584000-memory.dmp

Filesize
6.5MB

Download