stealc | c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2

Analysis

max time kernel
94s
max time network
95s
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, 02:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.exe
Size

1.8MB
MD5

9d18de5858c2e0bad6e825ea09af4c39
SHA1

bf44e70abbee83226dbccc5088ac35da7a30aee6
SHA256

c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2
SHA512

3f4c137178c4e06a2ce2ac6d99e592f0e464f152d52764c44aa6d286085e00ce3b9622be72181470ee4453ae257a0c901b2228029caf4b52bdef3fc74400d3bc
SSDEEP

24576:0qSbt56XaeXuSubClvblc02OY0wQYXWDS3Zb7LrrnDbjc3T2qNCW0nh5JCrNqLHk:gYXaVVomzQYGW3ZLLAaqNwhoNoC

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__	c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.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	c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Wine	c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4884	c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.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	c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4884	c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.exe
4884	c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.exe

C:\Users\Admin\AppData\Local\Temp\c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.exe
"C:\Users\Admin\AppData\Local\Temp\c678014ae9b81c9d4cebe19c6c3f1389d3a94fc9d3501c7671e1c2bbfadc87a2.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:4884

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/4884-0-0x0000000000EF0000-0x000000000159D000-memory.dmp

Filesize
6.7MB

Download
memory/4884-1-0x0000000077894000-0x0000000077896000-memory.dmp

Filesize
8KB

Download
memory/4884-2-0x0000000000EF1000-0x0000000000F14000-memory.dmp

Filesize
140KB

Download
memory/4884-3-0x0000000000EF0000-0x000000000159D000-memory.dmp

Filesize
6.7MB

Download
memory/4884-4-0x0000000000EF0000-0x000000000159D000-memory.dmp

Filesize
6.7MB

Download