stealc | 5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 01:23

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General

Target

5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.exe
Size

1.8MB
MD5

fe7f6458c12d8a2ca2465060f3b82058
SHA1

57fa2123987f57837cbc0468b75175936b57beec
SHA256

5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541
SHA512

05e33d45a952a57fc62928752e69d591063d2b6a6c3faf0a79306ec92d8286168ecdc28fc7dd0878cc0dec61eb171a489feb9807e7afdc228c3e28ef824b340f
SSDEEP

49152:5UXbLtDlmsRoG2xK0bLvMm565XlrHBxE84aDz:5UPtBJRoG2fHMm2lrHPHFf

Score

10^/10

stealc doma discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

doma

http://185.215.113.37

Attributes

url_path
/e2b1563c6670f193.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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__	5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.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	5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2016	5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.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	5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2016	5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.exe

C:\Users\Admin\AppData\Local\Temp\5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.exe
"C:\Users\Admin\AppData\Local\Temp\5f79d691648d659f056472f3b5089bc12cff477bba43bd553dd321da16c11541.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:2016

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/2016-0-0x0000000000BE0000-0x0000000001292000-memory.dmp

Filesize
6.7MB

Download
memory/2016-1-0x00000000778F0000-0x00000000778F2000-memory.dmp

Filesize
8KB

Download
memory/2016-2-0x0000000000BE1000-0x0000000000C04000-memory.dmp

Filesize
140KB

Download
memory/2016-3-0x0000000000BE0000-0x0000000001292000-memory.dmp

Filesize
6.7MB

Download
memory/2016-4-0x0000000000BE0000-0x0000000001292000-memory.dmp

Filesize
6.7MB

Download