stealc | d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 09:51

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General

Target

d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.exe
Size

1.7MB
MD5

e218c3b8301592ed017608e81df8c33f
SHA1

1c953abe9acf0e759116d61c32d14c2b70cd65fd
SHA256

d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9
SHA512

173646bf3063c6185527e3acf2ad78d0fde734101226cb50004b943d6417a5d842fd381bacf78021ae7dbf8fe1537a1ed8edfc07cd82d5a2da778807b56d3891
SSDEEP

49152:YEjGUzp9N76o7kQCreySyWLzF6E7vkB4o:x9B7kQKzKzF6iv

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__	d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.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	d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2288	d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.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	d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2288	d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.exe

C:\Users\Admin\AppData\Local\Temp\d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.exe
"C:\Users\Admin\AppData\Local\Temp\d5bf9e1a3af167866dd104e9aaa4db76b172101abd31a893adf503032ebd80b9.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:2288

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

Replay Monitor

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Downloads

memory/2288-0-0x0000000000900000-0x0000000000F9F000-memory.dmp

Filesize
6.6MB

Download
memory/2288-1-0x0000000077430000-0x0000000077432000-memory.dmp

Filesize
8KB

Download
memory/2288-2-0x0000000000901000-0x0000000000918000-memory.dmp

Filesize
92KB

Download
memory/2288-3-0x0000000000900000-0x0000000000F9F000-memory.dmp

Filesize
6.6MB

Download
memory/2288-5-0x0000000000900000-0x0000000000F9F000-memory.dmp

Filesize
6.6MB

Download