stealc | 94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-11-2024 13:21

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General

Target

94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.exe
Size

2.0MB
MD5

c31a9b8f636dd5219331381e6120a997
SHA1

edee5c6a3a11a372054df9b56ee5db90b1a63c6c
SHA256

94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802
SHA512

d5d84ae5b9e534bbf7e1f4d80ab9b6adcca18c97c304760d7e0bf3f706684fd8bc3a45f1f72e75ded051ce0811765a734524d03e22b882583a40c8879cbb94a6
SSDEEP

49152:bxbu0GxON5Xw7RWNjKxXSABGijhkolXA2+tQx17aEM:NqDoERWMxXdBPjqWr+te1

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__	94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.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	94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4840	94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.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	94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4840	94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.exe
4840	94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.exe

C:\Users\Admin\AppData\Local\Temp\94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.exe
"C:\Users\Admin\AppData\Local\Temp\94783522b2e7bd3d7cdc9ade6d84b4fcbe761ba151244f7a4084123bbb69f802.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:4840

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/4840-0-0x0000000000D90000-0x00000000014B5000-memory.dmp

Filesize
7.1MB

Download
memory/4840-1-0x00000000779A4000-0x00000000779A6000-memory.dmp

Filesize
8KB

Download
memory/4840-2-0x0000000000D91000-0x0000000000DF9000-memory.dmp

Filesize
416KB

Download
memory/4840-3-0x0000000000D90000-0x00000000014B5000-memory.dmp

Filesize
7.1MB

Download
memory/4840-4-0x0000000000D90000-0x00000000014B5000-memory.dmp

Filesize
7.1MB

Download