stealc | 1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a

Analysis

max time kernel
122s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 02:53

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General

Target

1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.exe
Size

2.0MB
MD5

a2431d54319af7b5c1f2d228e7bcbf3e
SHA1

79063fe221c894f45520555a7063b4c53013c2fb
SHA256

1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a
SHA512

79bf2cba78a986b8b795708a7f6664b88c9ddefac110d083065d170494b56768d006c82f1063f062442a4b74502802f1ba630c0f29f61e9ec58c5d450fc879b6
SSDEEP

49152:EEODGGyLxoxHuam78S7mMYsVI5KQBATTX9+xUv9deTa8:EEIJyLxuuZ78YmMv4KQBOz9+6v9de+

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.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__	1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.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	1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1636	1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.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	1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1636	1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.exe

C:\Users\Admin\AppData\Local\Temp\1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.exe
"C:\Users\Admin\AppData\Local\Temp\1addb3abb80452598f0c5eac63d6424a4b73337c2a44f2b0ab2e82e9917e3a9a.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:1636

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/1636-0-0x0000000000270000-0x000000000099F000-memory.dmp

Filesize
7.2MB

Download
memory/1636-1-0x00000000777E0000-0x00000000777E2000-memory.dmp

Filesize
8KB

Download
memory/1636-2-0x0000000000271000-0x00000000002D9000-memory.dmp

Filesize
416KB

Download
memory/1636-3-0x0000000000270000-0x000000000099F000-memory.dmp

Filesize
7.2MB

Download
memory/1636-5-0x0000000000270000-0x000000000099F000-memory.dmp

Filesize
7.2MB

Download