stealc | ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 15:25

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General

Target

ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.exe
Size

1.8MB
MD5

10a1406d25edd558e76ecb1565013aeb
SHA1

3d73605ee9879356b4e21ca690e0c4d3d2f324ea
SHA256

ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81
SHA512

008d052251d5405af1bfb2056ac9b55a7fb8474b6785842825b86f4bb9a39e67d96ff50a7fe2470e21f86898eaf1dccd12af7b2e97ca9f0e0844892bb4acfff4
SSDEEP

49152:/sR8QOSNeXAfabtWdnOBSesfBNKbCPEqu/dEa3FSW3ld:/sR8Q12MabINQXaJW

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__	ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.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	ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.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	ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1984	ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.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	ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1984	ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.exe

C:\Users\Admin\AppData\Local\Temp\ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.exe
"C:\Users\Admin\AppData\Local\Temp\ad11cf77519363b68bf8a5cb253da228cdbd8954e25032f861eb61e474306f81.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:1984

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/1984-0-0x0000000000C30000-0x00000000012F4000-memory.dmp

Filesize
6.8MB

Download
memory/1984-1-0x0000000077680000-0x0000000077682000-memory.dmp

Filesize
8KB

Download
memory/1984-3-0x0000000000C30000-0x00000000012F4000-memory.dmp

Filesize
6.8MB

Download
memory/1984-2-0x0000000000C31000-0x0000000000C54000-memory.dmp

Filesize
140KB

Download
memory/1984-4-0x0000000000C30000-0x00000000012F4000-memory.dmp

Filesize
6.8MB

Download