stealc | b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b

Analysis

max time kernel
93s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2024 01:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe
Size

7.6MB
MD5

b6245c9e284a88a80833db1a2d2e5dbe
SHA1

d2466c74e19f55a50d3358779b78a336f66d4e4d
SHA256

b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b
SHA512

b0016cfad3bf7d2dc9de6e6bdf1324f16c2e002f64aa58c5b9ee8af32ea35f0c0cae125442127d692672660e4935faba604db8258d86642ebc52c742c0b9f5f2
SSDEEP

98304:NFK6gZJU/Bjl7jBX2e0a2OcI/v0VcgCNuIhZUwRR6Rn:Nc6gZJyBjl7jBX2etc214IwwRR6Rn

Score

10^/10

stealc a2 discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

http://45.200.148.113

Attributes

url_path
/0a616124ff2f2b69.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer 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
3644	4284	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	b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4284	b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe
4284	b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe
4284	b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe
4284	b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe

C:\Users\Admin\AppData\Local\Temp\b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe
"C:\Users\Admin\AppData\Local\Temp\b1d6fa28315f0902472c134b85abbfbe8ac07726abc974d6df14ffa2f902358b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 1280
  2⤵
  - Program crash
  PID:3644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4284 -ip 4284
1⤵
PID:5096

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

Loading Replay Monitor...

Downloads

memory/4284-0-0x0000000003250000-0x00000000034B3000-memory.dmp

Filesize
2.4MB

Download
memory/4284-1-0x0000000003250000-0x00000000034B3000-memory.dmp

Filesize
2.4MB

Download
memory/4284-3-0x0000000003250000-0x00000000034B3000-memory.dmp

Filesize
2.4MB

Download
memory/4284-4-0x0000000003250000-0x00000000034B3000-memory.dmp

Filesize
2.4MB

Download