stealc | 978a35b82f965ec9bdae514f6ad1d01826f05f6a72db263cc7983d054c77414e

General

Target

file.exe
Size

2.0MB
MD5

68809e550d83e849923800e6b2a71cf8
SHA1

fe8635e84eae52a39e2f15ed8cbfbd7e4147dcd5
SHA256

978a35b82f965ec9bdae514f6ad1d01826f05f6a72db263cc7983d054c77414e
SHA512

bc1e1b4be090ebc3b389317a74a9f870f9df9e52c8ce203be170ca0f1fcb5dc06bc791351ff52e9be32ef5032c4723e9d29bbfd6dd0539f8ab575df4daf52699
SSDEEP

49152:imrMkFw9Bys+17RV5fV7DsQaNXgEaUZD0ucsut:noTD+17RxcNX2u/u

Score

10^/10

stealc tale discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

C2

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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2352	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2352	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:2352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2352-0-0x0000000000F40000-0x000000000165C000-memory.dmp

Filesize
7.1MB

Download
memory/2352-1-0x0000000076FE0000-0x0000000076FE2000-memory.dmp

Filesize
8KB

Download
memory/2352-2-0x0000000000F41000-0x0000000000FA9000-memory.dmp

Filesize
416KB

Download
memory/2352-3-0x0000000000F40000-0x000000000165C000-memory.dmp

Filesize
7.1MB

Download
memory/2352-4-0x0000000000F40000-0x000000000165C000-memory.dmp

Filesize
7.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads