stealc | ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 03:41

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General

Target

ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.exe
Size

2.1MB
MD5

d21a2eb1558c04af68aa39932c381a77
SHA1

8a1c7f2c06fcf55ccdfb8155a2aa2ec94cb8c5bb
SHA256

ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc
SHA512

bffa84774f7857c827702c1f21619f55e4fe7b8fab650b1e8598ab5d5c327b9ddf80724a3be0acb605c5e177b330830276c59e999754fc28809f1781feba2fc7
SSDEEP

49152:cAt7qwi74aJO4rEuKzGkSolWdSXJi5J51+w:pGz7jGGeE0X2JrV

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__	ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.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	ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3028	ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.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	ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.exe
3028	ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.exe

C:\Users\Admin\AppData\Local\Temp\ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.exe
"C:\Users\Admin\AppData\Local\Temp\ba62e9e2f8ace5672fbc814db0b5fbd5a2d0a5d2d8ef55fd359e91ac756b4bbc.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:3028

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/3028-0-0x0000000000580000-0x0000000000CBB000-memory.dmp

Filesize
7.2MB

Download
memory/3028-1-0x0000000077D74000-0x0000000077D76000-memory.dmp

Filesize
8KB

Download
memory/3028-2-0x0000000000581000-0x00000000005E9000-memory.dmp

Filesize
416KB

Download
memory/3028-3-0x0000000000580000-0x0000000000CBB000-memory.dmp

Filesize
7.2MB

Download
memory/3028-5-0x0000000000580000-0x0000000000CBB000-memory.dmp

Filesize
7.2MB

Download