stealc | 5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 02:44

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General

Target

5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.exe
Size

2.0MB
MD5

b21ddd26d50a4a26e5975dc863e83b9d
SHA1

0ffe2565644a3f6488ede1eca0ea726f16bf49d6
SHA256

5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696
SHA512

e52640ac20230ba02e52bfe324a433344ceb87ebf1c02fb9f18c8f3183d4f71e0036376560710d82aa36d50374befc3f4e60f76890f6df90ae3099f763733547
SSDEEP

49152:cmtqd0RF0dNbMf8J2PhZMUE5lWSHUdrAhgbV6bw:0d00b46U6x0+hgbg

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__	5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.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	5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1964	5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.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	5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1964	5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.exe

C:\Users\Admin\AppData\Local\Temp\5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.exe
"C:\Users\Admin\AppData\Local\Temp\5fbd8e4ffc78a356b36ec503ab14de9c6eb85d4dc5ac371a310903d9b1fdb696.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:1964

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/1964-0-0x00000000009D0000-0x00000000010F6000-memory.dmp

Filesize
7.1MB

Download
memory/1964-1-0x0000000076F00000-0x0000000076F02000-memory.dmp

Filesize
8KB

Download
memory/1964-2-0x00000000009D1000-0x0000000000A39000-memory.dmp

Filesize
416KB

Download
memory/1964-3-0x00000000009D0000-0x00000000010F6000-memory.dmp

Filesize
7.1MB

Download
memory/1964-4-0x00000000009D0000-0x00000000010F6000-memory.dmp

Filesize
7.1MB

Download