stealc | 64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 13:49

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General

Target

64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.exe
Size

2.0MB
MD5

4d05128141d95bb1f45074d57b90114e
SHA1

47ad114e219e3bdcd1febcba374727cb30c819d0
SHA256

64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52
SHA512

be4981537e33dfcbe0ea77ab2eb0151f87fe4e7fce867684e7f833225fca23d19166c5792a7abd6c2cb85aaadeff50bfbf39c36cbf8ee18bb4fe162c4fff214c
SSDEEP

49152:+OfQYC/KDzXLMa1nizNvaGQH9O4lpKVbOsGLVxrjm:+n6z7Ma1n0aGQH9jmVbOsO7jm

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__	64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.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	64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2728	64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.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	64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2728	64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.exe

C:\Users\Admin\AppData\Local\Temp\64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.exe
"C:\Users\Admin\AppData\Local\Temp\64bb34c9be3d445cb44c59b49d1d4be1e95f5526889d212eb09e6771eb8e3d52.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:2728

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/2728-0-0x0000000000E50000-0x000000000156D000-memory.dmp

Filesize
7.1MB

Download
memory/2728-1-0x00000000778A0000-0x00000000778A2000-memory.dmp

Filesize
8KB

Download
memory/2728-2-0x0000000000E51000-0x0000000000EB9000-memory.dmp

Filesize
416KB

Download
memory/2728-3-0x0000000000E50000-0x000000000156D000-memory.dmp

Filesize
7.1MB

Download
memory/2728-5-0x0000000000E50000-0x000000000156D000-memory.dmp

Filesize
7.1MB

Download