stealc | e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 03:57

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General

Target

e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.exe
Size

2.0MB
MD5

a1af18ba21734c91abbd17d112cd38e3
SHA1

09252fd031a674bc407af5935ca2bbcd110d15aa
SHA256

e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d
SHA512

4333657347466c97596e65de27ad238ffa057f03928e406b56d1425d00cf7e52f5d0bf12602b005efdeba1690e206be377bee0c3018a40c0879fa57b28e181bc
SSDEEP

49152:mYzH/um60RCtnFa/NZ9mmGIIoCYXzwwGCuuPYBZQCW:mYzHWYkJY/jcHIIopzVGCM

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__	e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.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	e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.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	e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2360	e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.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	e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2360	e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.exe

C:\Users\Admin\AppData\Local\Temp\e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.exe
"C:\Users\Admin\AppData\Local\Temp\e632189654d9ff1bf8a4efe340e0b04c6e09d6a1e4b5f4022573ed0871e7e03d.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:2360

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/2360-0-0x00000000011E0000-0x00000000018F7000-memory.dmp

Filesize
7.1MB

Download
memory/2360-1-0x0000000077670000-0x0000000077672000-memory.dmp

Filesize
8KB

Download
memory/2360-3-0x00000000011E0000-0x00000000018F7000-memory.dmp

Filesize
7.1MB

Download
memory/2360-2-0x00000000011E1000-0x0000000001249000-memory.dmp

Filesize
416KB

Download
memory/2360-4-0x00000000011E0000-0x00000000018F7000-memory.dmp

Filesize
7.1MB

Download