stealc | 9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433

Analysis

max time kernel
148s
max time network
149s
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 02:44

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General

Target

9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe
Size

1.7MB
MD5

46357450c18691d06fb6fb48b1551b35
SHA1

da76c0bf347ef897c08632f7fcf070568163582a
SHA256

9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433
SHA512

2d58a31991c8c9e53dcf25e6b49a0d3c0b969c0addd1848c04dd4b905ebdb85b057ae4b3b2bfea5fc605cf41a9697129e88b74d52b7f8d1eb71300ac447306a6
SSDEEP

49152:eoxNmI1jk3743Ti8Q8D/neKf6wv9x5uecVb6FXgvmZ:ehr4jif8DPRyheK0

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:

9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.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:

9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.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:

9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Wine	9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

pid	Process
316	9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.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:

9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

pid	Process
316	9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe
316	9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe

C:\Users\Admin\AppData\Local\Temp\9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.exe
"C:\Users\Admin\AppData\Local\Temp\9d3adf953199b7602139a93915d8398bba7626548c5e34b0631e88b01fcf4433.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:316

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/316-0-0x0000000000920000-0x0000000000FC0000-memory.dmp

Filesize
6.6MB

Download
memory/316-1-0x0000000077D44000-0x0000000077D46000-memory.dmp

Filesize
8KB

Download
memory/316-2-0x0000000000921000-0x0000000000938000-memory.dmp

Filesize
92KB

Download
memory/316-3-0x0000000000920000-0x0000000000FC0000-memory.dmp

Filesize
6.6MB

Download
memory/316-4-0x0000000000920000-0x0000000000FC0000-memory.dmp

Filesize
6.6MB

Download