stealc | f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 03:50

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General

Target

f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.exe
Size

1.7MB
MD5

1b413d047eaf75ebaac69270367d449a
SHA1

039a3a64b7ef3801426856cc41d7f65b06834826
SHA256

f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169
SHA512

acb6774e4ff1f8a6b0a2257ba4dbe6c3b6c12742d4cd49bd5b510f20547188d6c0ed4a41e5219669ac347202c17b7cba751486a8a13889392cb1e3b32fec9bcd
SSDEEP

49152:EvILHaQQ40GE2fyAYZ0FRPzYo7nT8CxQwMaqm1+teCaY:EQja74LE2fIqFRPzY+nAPAqmoeCa

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__	f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.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	f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
604	f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.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	f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
604	f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.exe

C:\Users\Admin\AppData\Local\Temp\f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.exe
"C:\Users\Admin\AppData\Local\Temp\f0c849084e61a7a2c7b86da07de2d72abc98e03e4f9a6c396c246046817da169.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:604

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/604-0-0x0000000000350000-0x00000000009EA000-memory.dmp

Filesize
6.6MB

Download
memory/604-1-0x0000000077410000-0x0000000077412000-memory.dmp

Filesize
8KB

Download
memory/604-2-0x0000000000351000-0x0000000000368000-memory.dmp

Filesize
92KB

Download
memory/604-3-0x0000000000350000-0x00000000009EA000-memory.dmp

Filesize
6.6MB

Download
memory/604-5-0x0000000000350000-0x00000000009EA000-memory.dmp

Filesize
6.6MB

Download