stealc | 2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 02:21

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General

Target

2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.exe
Size

1.7MB
MD5

c1950c4aafa568b63462b2131c67ceab
SHA1

e2aefdf02e7081c1b6bd03affd8d336642388854
SHA256

2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb
SHA512

24312a48d39d7142ea6b8d49f0c0a95a8661588697e3ec6fd45df5046c83df764549a4f46d0dd732676cbc92468a9c887a75c8681f9c1a9b29fface67df044a9
SSDEEP

24576:4M65D66hgGJglzXMwGyAvtUybnqeFC3pDdtmnRt+LDu0QRJmlVJYS2smPl4XwQ89:4f5FhgOgPpWTb1CF7mzKlgpS1AG7Q

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__	2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.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	2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.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-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1764	2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.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	2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1764	2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.exe

C:\Users\Admin\AppData\Local\Temp\2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.exe
"C:\Users\Admin\AppData\Local\Temp\2ed1e1e632568e8c6ea61bc3d528edfc381be9720a145265e56e0190578723fb.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:1764

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/1764-0-0x0000000000A80000-0x0000000001101000-memory.dmp

Filesize
6.5MB

Download
memory/1764-1-0x0000000077420000-0x0000000077422000-memory.dmp

Filesize
8KB

Download
memory/1764-2-0x0000000000A81000-0x0000000000A98000-memory.dmp

Filesize
92KB

Download
memory/1764-3-0x0000000000A80000-0x0000000001101000-memory.dmp

Filesize
6.5MB

Download
memory/1764-5-0x0000000000A80000-0x0000000001101000-memory.dmp

Filesize
6.5MB

Download