stealc | 05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 02:11

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General

Target

05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.exe
Size

2.0MB
MD5

e71c5aee12ee323fc4f40010437d4186
SHA1

6389bda37cee4ca4724306cfa8a73ff318713de3
SHA256

05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e
SHA512

d3f0a9cf2eb19f1573b289bfda2c3d0e11aacbc334f4a8c09318e9379568fe5db15ebe5a6db6f102168a14e1255d6949f3edbcbeb7699a0ecbd35f2d8d5f0d9c
SSDEEP

49152:H5N3S9xKFwDyNDflUSreJuuCvOQnJYmNh+s:H5hS9xK+DyNDNH9u+BNh+s

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.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	05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2388	05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.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	05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2388	05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.exe

C:\Users\Admin\AppData\Local\Temp\05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.exe
"C:\Users\Admin\AppData\Local\Temp\05d8c0bf7acbc23d2a49073d4cdde8547526bb55b6893f21c4753cc8800b0a8e.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:2388

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

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Downloads

memory/2388-0-0x0000000000BE0000-0x000000000130B000-memory.dmp

Filesize
7.2MB

Download
memory/2388-1-0x0000000077190000-0x0000000077192000-memory.dmp

Filesize
8KB

Download
memory/2388-3-0x0000000000BE0000-0x000000000130B000-memory.dmp

Filesize
7.2MB

Download
memory/2388-2-0x0000000000BE1000-0x0000000000C49000-memory.dmp

Filesize
416KB

Download
memory/2388-5-0x0000000000BE0000-0x000000000130B000-memory.dmp

Filesize
7.2MB

Download