stealc | 61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:19

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General

Target

61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe
Size

1.8MB
MD5

ff898723c4c693eec7140d101d0066d4
SHA1

3127d0d4a74c0d4f3f05a548a39f2fad684c5cb8
SHA256

61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58
SHA512

ad5566e7ab986c3b9edd7fd4d400722933bef18257f16a10978d0778994705f4ee80ba6a0cd9fb938e5fafff81e0fa95d377d95f08e6903a3e8098b4e675f87f
SSDEEP

49152:YJolkijNKQR+xs4HoV8+13jvkd/ZNG5q9TP2KYW:molhNYxdH2zktK54z2KJ

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__	61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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	61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine	61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1788	61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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	61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1788	61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe
1788	61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe

C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.exe
"C:\Users\Admin\AppData\Local\Temp\61959a4f6720629f28f97cb7341d9ac81fb91c91e97ddc28f9840b6eae8bac58.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:1788

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/1788-0-0x0000000000410000-0x0000000000ACD000-memory.dmp

Filesize
6.7MB

Download
memory/1788-1-0x00000000774E4000-0x00000000774E6000-memory.dmp

Filesize
8KB

Download
memory/1788-2-0x0000000000411000-0x0000000000434000-memory.dmp

Filesize
140KB

Download
memory/1788-3-0x0000000000410000-0x0000000000ACD000-memory.dmp

Filesize
6.7MB

Download
memory/1788-4-0x0000000000410000-0x0000000000ACD000-memory.dmp

Filesize
6.7MB

Download