stealc | f2e5db54aae8291be817b216b154e240884f9581225fec6ad4966d3153273adb

Analysis

max time kernel
23s
max time network
34s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 01:21

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General

Target

d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.exe
Size

1.7MB
MD5

9508667733cdf7352c5d47242eae8256
SHA1

b52598ec46ef999a3fafe0646a3cf083fbc7d851
SHA256

d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328
SHA512

c212a809ef1e77211019fe5cc98d6ec840d3a0add6a30b64c9b4974eafebe992271e34380aaa98c189ef9b1968203d0226ba8a6d1c1499a3155704ba4cff5456
SSDEEP

49152:C3MqwIGWArRSQvt5cP7tPO/pWcSd/imS:C7GrIQv4zto0cSd/4

Score

10^/10

stealc rave discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

rave

http://185.215.113.103

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__	d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.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	d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.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-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine	d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2876	d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.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	d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2876	d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.exe

C:\Users\Admin\AppData\Local\Temp\d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.exe
"C:\Users\Admin\AppData\Local\Temp\d0879650a70e9719137df83bd3b62c46d862c0203a2e66f9fb50996fd2fc4328.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:2876

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/2876-0-0x0000000000DC0000-0x000000000143B000-memory.dmp

Filesize
6.5MB

Download
memory/2876-1-0x0000000077080000-0x0000000077082000-memory.dmp

Filesize
8KB

Download
memory/2876-2-0x0000000000DC1000-0x0000000000DD5000-memory.dmp

Filesize
80KB

Download
memory/2876-3-0x0000000000DC0000-0x000000000143B000-memory.dmp

Filesize
6.5MB

Download
memory/2876-4-0x0000000000DC0000-0x000000000143B000-memory.dmp

Filesize
6.5MB

Download
memory/2876-5-0x0000000000DC0000-0x000000000143B000-memory.dmp

Filesize
6.5MB

Download
memory/2876-6-0x0000000000DC0000-0x000000000143B000-memory.dmp

Filesize
6.5MB

Download
memory/2876-7-0x0000000000DC0000-0x000000000143B000-memory.dmp

Filesize
6.5MB

Download
memory/2876-8-0x0000000000DC0000-0x000000000143B000-memory.dmp

Filesize
6.5MB

Download