stealc | 0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 10:33

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General

Target

0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.exe
Size

2.8MB
MD5

97dab65220334cfd17d462ce425588af
SHA1

faec1845571a3da9ef65f4f8125eebc0d64b87cd
SHA256

0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053
SHA512

e4af99f91c81590a4fcd54584441769c3abe6fd45882c14094852a933244944ddd7639475ba1ae3b5c1e80c9fbd5d2d0b35faab6ab91d2b6fcba1669667dfb8d
SSDEEP

49152:KOHJ5+mYpkNQKKptdFeuGFUf5Ao3WkrWquOWnyBqSa23HL+QJN:KOpxYpkNQtdFeuGWyomi3Ynb23HL+W

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__	0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.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\VideoBiosVersion	0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.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-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5020	0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.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	0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5020	0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.exe
5020	0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.exe

C:\Users\Admin\AppData\Local\Temp\0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.exe
"C:\Users\Admin\AppData\Local\Temp\0ac8efcc206f2d7397ecc128aa3108e6ab3cd581e5d68348daf21edc77dc8053.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:5020

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/5020-0-0x0000000000B50000-0x0000000001054000-memory.dmp

Filesize
5.0MB

Download
memory/5020-1-0x00000000773F4000-0x00000000773F6000-memory.dmp

Filesize
8KB

Download
memory/5020-2-0x0000000000B51000-0x0000000000B68000-memory.dmp

Filesize
92KB

Download
memory/5020-3-0x0000000000B50000-0x0000000001054000-memory.dmp

Filesize
5.0MB

Download
memory/5020-4-0x0000000000B50000-0x0000000001054000-memory.dmp

Filesize
5.0MB

Download