stealc | b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff

Analysis

max time kernel
92s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 03:25

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General

Target

b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.exe
Size

2.0MB
MD5

aa74558704e2ba3e0bdf434b293d79fd
SHA1

8efd8b33db1443945f79e364256b62ce7473968b
SHA256

b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff
SHA512

08ce67375ba54a1bc764b5201e9bb50f4a31d9e1a6fc02611cd8d97e40b455c4b1a94803888c30e0678570b8401009b451283ced0f85aa0073eae2ce7ef6b3c9
SSDEEP

49152:b0RRTE+k9AtJmVWTW4K9sbARHQdMD1ZkOdXlaZQvzmqP:cRA+k9AtHW4K9s4HtT7XS

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__	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.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	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.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-1-5-21-3442511616-637977696-3186306149-1000\Software\Wine	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4308	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.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	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4308	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.exe
4308	b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.exe

C:\Users\Admin\AppData\Local\Temp\b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.exe
"C:\Users\Admin\AppData\Local\Temp\b00e8c0d3cc809385e3012443fae70a1e044a1f31a65d81029eda47a3a1ad2ff.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:4308

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/4308-0-0x0000000000CB0000-0x00000000013C5000-memory.dmp

Filesize
7.1MB

Download
memory/4308-1-0x0000000077614000-0x0000000077616000-memory.dmp

Filesize
8KB

Download
memory/4308-2-0x0000000000CB1000-0x0000000000D19000-memory.dmp

Filesize
416KB

Download
memory/4308-3-0x0000000000CB0000-0x00000000013C5000-memory.dmp

Filesize
7.1MB

Download
memory/4308-5-0x0000000000CB0000-0x00000000013C5000-memory.dmp

Filesize
7.1MB

Download