stealc | 90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 10:00

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General

Target

90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe
Size

1.7MB
MD5

97de1d3cfa763a50d7195d5bd0c3594c
SHA1

3429706674f3a675e916097140d46b4e75706367
SHA256

90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16
SHA512

ab16e913bed783d50c3fa0f3a385c71cb5e197d0c3b3facfe45821ad0ee52c78879b2fccb587967c87488eca4accc587a2825ecd5c8e340a7f5030e5736feb63
SSDEEP

49152:QPmQM+Gd813P3DiLPdDu41YAslYyJmteqiccw:8tLJ/idDuqY/YyJMEw

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.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

Processes:

90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.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

Processes:

90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.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

Processes:

90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

pid process

2624 90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

pid	process
2624	90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.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

Processes:

90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

pid process

2624 90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

pid	process
2624	90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe

C:\Users\Admin\AppData\Local\Temp\90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.exe
"C:\Users\Admin\AppData\Local\Temp\90070e4b5115c14092fc257bb696d71025d6da274a339913d9f66da915dada16.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:2624

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/2624-0-0x0000000001350000-0x00000000019F5000-memory.dmp

Filesize
6.6MB

Download
memory/2624-1-0x00000000773C0000-0x00000000773C2000-memory.dmp

Filesize
8KB

Download
memory/2624-2-0x0000000001351000-0x0000000001368000-memory.dmp

Filesize
92KB

Download
memory/2624-3-0x0000000001350000-0x00000000019F5000-memory.dmp

Filesize
6.6MB

Download
memory/2624-4-0x0000000001350000-0x00000000019F5000-memory.dmp

Filesize
6.6MB

Download