stealc | 62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 02:32

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General

Target

62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.exe
Size

2.1MB
MD5

54f25d4b3425a633f6fdf9b3198a78ae
SHA1

21082149dd3b95338bb6c68fefc4c2fb193537a7
SHA256

62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665
SHA512

308e2213b9520a4fafbf2b9ca949fc6a5d58c3130e3b328ff05d221ec06accb2d48ceec1cf61527d77c06776f3ec5862e63e6021c5c36ac31d69d3a111388f5b
SSDEEP

49152:etZJyF0WNW3XruJSaDHNvaEw5pBFSv+SGDdG6NjtIOTBKpZ:XNWHruoswnBFSv+SGztIOlKpZ

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__	62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.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	62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Wine	62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1740	62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.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	62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1740	62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.exe

C:\Users\Admin\AppData\Local\Temp\62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.exe
"C:\Users\Admin\AppData\Local\Temp\62e51f303b867bd5398d15f9ab8ab8791d9f81b38a4d72ec86c0e3211d273665.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:1740

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/1740-0-0x0000000000A50000-0x0000000001191000-memory.dmp

Filesize
7.3MB

Download
memory/1740-1-0x0000000077990000-0x0000000077992000-memory.dmp

Filesize
8KB

Download
memory/1740-2-0x0000000000A51000-0x0000000000AB9000-memory.dmp

Filesize
416KB

Download
memory/1740-3-0x0000000000A50000-0x0000000001191000-memory.dmp

Filesize
7.3MB

Download
memory/1740-4-0x0000000000A50000-0x0000000001191000-memory.dmp

Filesize
7.3MB

Download