stealc | d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8

Analysis

max time kernel
100s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 14:08

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General

Target

d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.exe
Size

1.7MB
MD5

a7044542ea0f005b80f4fc35735d6383
SHA1

1cc84c8728db8b671ca9c8adea2280f6f30ee8bf
SHA256

d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8
SHA512

c8d78c2de1b944ae6c5ed27b6e26cba788dd9792a6226589715ec2b91843ad249cccf0a29bf9cfd00c6ae6103f4f374822032cdf811f52162323ef183087f21d
SSDEEP

49152:EWDzR3kVKyvwxbdJ60Lsv33hf+EsV7i7EO7Hf4:EA+rkhJ60YJcV69b4

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.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	d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.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-1-5-21-2045521122-590294423-3465680274-1000\Software\Wine	d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4272	d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.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	d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4272	d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.exe
4272	d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.exe

C:\Users\Admin\AppData\Local\Temp\d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.exe
"C:\Users\Admin\AppData\Local\Temp\d7fd16711d3526bc3c8dfb3ed4f05875337d271a86dd22744942673da5ed18b8.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:4272

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/4272-0-0x0000000000F00000-0x0000000001588000-memory.dmp

Filesize
6.5MB

Download
memory/4272-1-0x0000000077174000-0x0000000077176000-memory.dmp

Filesize
8KB

Download
memory/4272-2-0x0000000000F01000-0x0000000000F18000-memory.dmp

Filesize
92KB

Download
memory/4272-3-0x0000000000F00000-0x0000000001588000-memory.dmp

Filesize
6.5MB

Download
memory/4272-4-0x0000000000F00000-0x0000000001588000-memory.dmp

Filesize
6.5MB

Download