stealc | b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf

Analysis

max time kernel
138s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 03:32

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General

Target

b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.exe
Size

2.0MB
MD5

4a30593e8cc4a02c72f225d1cf625f56
SHA1

8d808deb50029263d4d970f4d751d03d35c231a6
SHA256

b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf
SHA512

455bd20093d68cbc5ef870ebb498e452bc0f5aa9e4557faea5e5bb025672a23bc075226ca1ef05e55c9ea87465dd30b91311eef6131e42c92a6d4fff6f97f4aa
SSDEEP

49152:Yco024bX9fz9ZZMwBI2Pkpg4Al6HldfjPgyMgSr9wC:UsX9fRZuwBY66FBPgyMgS5h

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__	b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.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	b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4008	b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.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	b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4008	b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.exe
4008	b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.exe

C:\Users\Admin\AppData\Local\Temp\b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.exe
"C:\Users\Admin\AppData\Local\Temp\b0b08d2aee5fcf38d1e7ae60955a220223ddf3afd355a3adf47504cd36ec3dcf.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:4008

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/4008-0-0x0000000000A20000-0x0000000001155000-memory.dmp

Filesize
7.2MB

Download
memory/4008-1-0x00000000777D4000-0x00000000777D6000-memory.dmp

Filesize
8KB

Download
memory/4008-2-0x0000000000A21000-0x0000000000A89000-memory.dmp

Filesize
416KB

Download
memory/4008-3-0x0000000000A20000-0x0000000001155000-memory.dmp

Filesize
7.2MB

Download
memory/4008-4-0x0000000000A20000-0x0000000001155000-memory.dmp

Filesize
7.2MB

Download