stealc | fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5ada0d3be2aace5d727e8

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 08:03

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General

Target

fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe
Size

382KB
MD5

1a1d5627373ecd30414938e941f281b8
SHA1

21395fc347e167b889818461becca2e242f889af
SHA256

fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5ada0d3be2aace5d727e8
SHA512

43fe3b2dc363c5620c5c2c1a01b70f46cfb2ad8fb925816ef18adc4dc68d172c88e45a4d3c98adc299badc9890a3ff7106526d31e8714278567923f54ba779b2
SSDEEP

3072:CmFmix9LrJ+unBU9MA1jTwoElX2kWSKV+AA47nlsms4vwV6RWqChEypWHz0C8nWt:BFVLrBBUb17EXK3h9NoOxuMHwOtApO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://92.255.57.89

Attributes

url_path
/45c616e921a794b8.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3916	4744	WerFault.exe	81

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	fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4744	fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe
4744	fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe

C:\Users\Admin\AppData\Local\Temp\fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe
"C:\Users\Admin\AppData\Local\Temp\fa20b849ebe7c53d59f3ed0fcfac8445ea08e7296af5a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 1316
  2⤵
  - Program crash
  PID:3916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4744 -ip 4744
1⤵
PID:3516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4744-0-0x0000000000820000-0x000000000084C000-memory.dmp

Filesize
176KB

Download
memory/4744-1-0x0000000000850000-0x000000000088D000-memory.dmp

Filesize
244KB

Download
memory/4744-2-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/4744-5-0x0000000000850000-0x000000000088D000-memory.dmp

Filesize
244KB

Download
memory/4744-4-0x0000000000820000-0x000000000084C000-memory.dmp

Filesize
176KB

Download
memory/4744-3-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download