stealc | 888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b

Analysis

max time kernel
95s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2024 02:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.exe
Size

1.7MB
MD5

36ce95040ed17e3c4ccf84ef67666738
SHA1

6bd06628eb201fb91f20e3905bbf1f052bab16c5
SHA256

888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b
SHA512

3ed7c233e6f90ecd461073db2e80e321416cdc1da6c6c3295ff321357084f6ad1232bd537d715b8ca979177287b19a7efca9d804060682bb559055c9239e0e7d
SSDEEP

49152:UsDSS5e2yvjlGGnnFEDtp4xrpcJdXhv22mDiEo:Bbhy5gt6ruJdXhuW

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

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__	888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.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	888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
688	888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.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	888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
688	888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.exe
688	888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.exe

C:\Users\Admin\AppData\Local\Temp\888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.exe
"C:\Users\Admin\AppData\Local\Temp\888781cacec83eae2a8ea38778dc47d6787ef7bf54f6e05122b9c75a9349c84b.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:688

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

Loading Replay Monitor...

Downloads

memory/688-0-0x0000000000E10000-0x00000000014A6000-memory.dmp

Filesize
6.6MB

Download
memory/688-1-0x0000000076F34000-0x0000000076F36000-memory.dmp

Filesize
8KB

Download
memory/688-2-0x0000000000E11000-0x0000000000E28000-memory.dmp

Filesize
92KB

Download
memory/688-3-0x0000000000E10000-0x00000000014A6000-memory.dmp

Filesize
6.6MB

Download
memory/688-4-0x0000000000E10000-0x00000000014A6000-memory.dmp

Filesize
6.6MB

Download