stealc | 859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 01:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.exe
Size

1.8MB
MD5

77cb936315fe3fae321dac2b603487ce
SHA1

4d8476cbab55f6cc720d3b41c1c976bd75b5ef4c
SHA256

859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38
SHA512

081129239291846d3e068ce1c10906534575a5b24ee8ef69d038612ea9185c2b8a77077db46f50645f0b655cbfe6ff1fbb6840c994db7d6a4d240b39ff63f8d2
SSDEEP

49152:JiX+itJUKWDp8FuMEUA8d74ba6nGvRYgEhXCK+JP:kX3p/uMEUOb1n9gEhbO

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

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__	859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.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\VideoBiosVersion	859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.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-1-5-21-786284298-625481688-3210388970-1000\Software\Wine	859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3960	859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.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	859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3960	859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.exe
3960	859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.exe

C:\Users\Admin\AppData\Local\Temp\859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.exe
"C:\Users\Admin\AppData\Local\Temp\859a8396da0d39d5a69a884b8612c567024fb274fa9d34cde309122689136c38.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:3960

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

Loading Replay Monitor...

Downloads

memory/3960-0-0x0000000000A90000-0x0000000001138000-memory.dmp

Filesize
6.7MB

Download
memory/3960-1-0x00000000772F4000-0x00000000772F6000-memory.dmp

Filesize
8KB

Download
memory/3960-2-0x0000000000A91000-0x0000000000AB4000-memory.dmp

Filesize
140KB

Download
memory/3960-3-0x0000000000A90000-0x0000000001138000-memory.dmp

Filesize
6.7MB

Download
memory/3960-4-0x0000000000A90000-0x0000000001138000-memory.dmp

Filesize
6.7MB

Download