stealc | 0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 02:04

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General

Target

0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe
Size

1.7MB
MD5

e28eb84120c7318b0f8fa7fc2bd79398
SHA1

f4a8dcebc79558c8640ffc6c0471c6a173d4853d
SHA256

0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5
SHA512

cafcb6ca3a05f3b494592ca9fdd58a022befce7bf89786a99e57a3e8df2c86a22481e9a36615147adab3ee0db8a3f55cfecc4050fce9c4921c63a9caddd03b43
SSDEEP

49152:ZodsgxZyG8/AEaAmk72H4wXlIJgk1jcz+D+:dyZyG8/Ammk7y4wX2Jgk1y

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

Processes:

0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.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

Processes:

0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.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

Processes:

0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

pid process

804 0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

pid	process
804	0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.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

Processes:

0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

pid process

804 0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

pid	process
804	0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe

C:\Users\Admin\AppData\Local\Temp\0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.exe
"C:\Users\Admin\AppData\Local\Temp\0a8d7dc28c9ef08e79873c4446878a4f5b8a443fa31b4f454d606c4419a338f5.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:804

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/804-0-0x0000000000A50000-0x00000000010F1000-memory.dmp

Filesize
6.6MB

Download
memory/804-1-0x0000000077010000-0x0000000077012000-memory.dmp

Filesize
8KB

Download
memory/804-2-0x0000000000A51000-0x0000000000A68000-memory.dmp

Filesize
92KB

Download
memory/804-3-0x0000000000A50000-0x00000000010F1000-memory.dmp

Filesize
6.6MB

Download
memory/804-5-0x0000000000A50000-0x00000000010F1000-memory.dmp

Filesize
6.6MB

Download