stealc | 9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 02:31

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General

Target

9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe
Size

1.7MB
MD5

3e8560a258080a7b0e6bd518ed854bcc
SHA1

1872b7e75f4ef1fdcbc6c69f5b0d9b5796bf0c33
SHA256

9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd
SHA512

ee9cddbd5218602ee0c5b9b151bb7d28cbf9394f4e6894d65e47df7e4a58eb7c312e8da384fae65d17ca6f82b39621707536b7fd53da2b19d994f96183660ebb
SSDEEP

49152:yNp5ueHEX57zSxwgfXTXsYYxFehTC6iYGM:yNp5Y57gbsRbe

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.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

Processes:

9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.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

Processes:

9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.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

Processes:

9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

pid	Process
5084	9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.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

Processes:

9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

pid	Process
5084	9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe
5084	9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe

C:\Users\Admin\AppData\Local\Temp\9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.exe
"C:\Users\Admin\AppData\Local\Temp\9b2ec7d7ac54c11be4f7474488566ac029c02c366a8319bbb8182954ea1cfffd.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:5084

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/5084-0-0x0000000000290000-0x0000000000925000-memory.dmp

Filesize
6.6MB

Download
memory/5084-1-0x0000000077D84000-0x0000000077D86000-memory.dmp

Filesize
8KB

Download
memory/5084-2-0x0000000000291000-0x00000000002A8000-memory.dmp

Filesize
92KB

Download
memory/5084-3-0x0000000000290000-0x0000000000925000-memory.dmp

Filesize
6.6MB

Download
memory/5084-4-0x0000000000290000-0x0000000000925000-memory.dmp

Filesize
6.6MB

Download