stealc | 8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 18:48

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General

Target

8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.exe
Size

1.8MB
MD5

564e5677e7262707df20c3ea7f110513
SHA1

be8c6288b0baf0bd470e6ab8174e85c03470e0f5
SHA256

8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629
SHA512

32512119af4d302374cb3abf690ca20ddeaf99d542e91840b92f3ec3d04bb201e62cc785c2464db67011d010ea5ea0de08b6ae9d176c69d5ddf6f608123ed81c
SSDEEP

49152:O5J2ApiaFNyPOqc9Tw0hUiunNiAfuetwA3tsPdDxnz7:O5JnXNym19k0hUiu8Ameth3G1Dh

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__	8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.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	8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Wine	8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2208	8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.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	8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2208	8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.exe
2208	8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.exe

C:\Users\Admin\AppData\Local\Temp\8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.exe
"C:\Users\Admin\AppData\Local\Temp\8ed1f28fe0588fd7e27b22329ba5c2cbed9bf6aeec4e2e4dbe2cf751f2f1d629.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:2208

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/2208-0-0x0000000000870000-0x0000000000F18000-memory.dmp

Filesize
6.7MB

Download
memory/2208-1-0x00000000773F4000-0x00000000773F6000-memory.dmp

Filesize
8KB

Download
memory/2208-2-0x0000000000871000-0x0000000000894000-memory.dmp

Filesize
140KB

Download
memory/2208-3-0x0000000000870000-0x0000000000F18000-memory.dmp

Filesize
6.7MB

Download
memory/2208-4-0x0000000000870000-0x0000000000F18000-memory.dmp

Filesize
6.7MB

Download