stealc | 16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 02:08

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General

Target

16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe
Size

1.7MB
MD5

d106a06a2d284e86d1bab683d9ab66b6
SHA1

eaee0c75a6cf398e6d1d102936f11d7458c098ee
SHA256

16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644
SHA512

cbba0dc34f3de2757758455c6a1e99a143491539f2d4492cb87b9a9c27b9d3c93e398f0d24e9abb77c566d4658aeb1284d8b1da3c51e43e6034c5f6622861d25
SSDEEP

49152:tFKphZF1SydD6CCd00P9PMmjfj4yAJFQ9fi:tFKpPiydD6CCBMO4yAJ0fi

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:

16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.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:

16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.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:

16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

pid process

1200 16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.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:

16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

pid	process
1200	16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe
1200	16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe

C:\Users\Admin\AppData\Local\Temp\16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.exe
"C:\Users\Admin\AppData\Local\Temp\16fce8d68b407f6afdcd1256bd455f59abe7aecf3c00f3f3c0276929c07ed644.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:1200

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/1200-0-0x00000000003D0000-0x0000000000A57000-memory.dmp

Filesize
6.5MB

Download
memory/1200-1-0x0000000077414000-0x0000000077416000-memory.dmp

Filesize
8KB

Download
memory/1200-2-0x00000000003D1000-0x00000000003E8000-memory.dmp

Filesize
92KB

Download
memory/1200-3-0x00000000003D0000-0x0000000000A57000-memory.dmp

Filesize
6.5MB

Download
memory/1200-5-0x00000000003D0000-0x0000000000A57000-memory.dmp

Filesize
6.5MB

Download