stealc | 00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300

Analysis

max time kernel
149s
max time network
153s
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 10:56

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General

Target

00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe
Size

1.7MB
MD5

9e7f4cf6e18e8735f345022c80434165
SHA1

557e50bff706038a308a12885cce092976dbbf42
SHA256

00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300
SHA512

1f24a75a836c58fa059c21cc4a071746df6bbc09aef28eabeda360b765694900c0c1b40e120b6f3e6ea966871956828d3c609cb59fffd753a0d78305091f620c
SSDEEP

49152:Hny/mLhM70gIsZeZnb4EsBtXaW7CQ/dxY6:HnWmLhM7JIsZeN4E+kUxY6

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:

00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.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:

00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.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:

00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

pid	Process
3996	00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.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:

00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

pid	Process
3996	00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe
3996	00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe

C:\Users\Admin\AppData\Local\Temp\00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.exe
"C:\Users\Admin\AppData\Local\Temp\00a611f2d2bb4ac3a0b25944e3d18f138ea855b55a925487951dcb758680e300.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:3996

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/3996-0-0x0000000000450000-0x0000000000AF9000-memory.dmp

Filesize
6.7MB

Download
memory/3996-1-0x00000000779A4000-0x00000000779A6000-memory.dmp

Filesize
8KB

Download
memory/3996-2-0x0000000000451000-0x0000000000468000-memory.dmp

Filesize
92KB

Download
memory/3996-3-0x0000000000450000-0x0000000000AF9000-memory.dmp

Filesize
6.7MB

Download
memory/3996-4-0x0000000000450000-0x0000000000AF9000-memory.dmp

Filesize
6.7MB

Download