stealc | 5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23

Analysis

max time kernel
141s
max time network
132s
platform
windows10-1703_x64
resource
win10-20231023-en
resource tags

arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
submitted
02/11/2023, 16:31

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General

Target

5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23.exe
Size

239KB
MD5

d11243a9aea023b79805ce4c0935af8a
SHA1

99942470433c5398602d36a58c2ddced623f2f2f
SHA256

5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23
SHA512

41ba65d816c1348a35a7e197c701c1566a6dab89563774fb860c11c134d12be728f487fdb5c53101f00cfb83b35da84164982f3709425153d67cfeada8d4960b
SSDEEP

3072:FLoeHIHPbxSC3EXuEfS4UkDzqLmLrDweMsllTLO2Pmw2i0xYTAV:BoFHPbxIXuES4/vkm/DweMsjLOomY0i

Score

10^/10

stealc discovery spyware stealer

Malware Config

Extracted

Family

stealc

http://ronaldrichards.icu

Attributes

url_path
/e9c345fc99a4e67e.php

rc4.plain

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
980	4464	WerFault.exe	70

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	5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4464	5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23.exe
4464	5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23.exe

C:\Users\Admin\AppData\Local\Temp\5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23.exe
"C:\Users\Admin\AppData\Local\Temp\5b0017ef2fbd79d5365657aca35863bbaf7609616b207e7d68e293652bc41b23.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 1196
  2⤵
  - Program crash
  PID:980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4464-1-0x0000000000B00000-0x0000000000C00000-memory.dmp

Filesize
1024KB

Download
memory/4464-2-0x0000000000900000-0x000000000091B000-memory.dmp

Filesize
108KB

Download
memory/4464-3-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/4464-5-0x0000000000400000-0x00000000007C5000-memory.dmp

Filesize
3.8MB

Download
memory/4464-6-0x0000000000B00000-0x0000000000C00000-memory.dmp

Filesize
1024KB

Download
memory/4464-7-0x0000000000900000-0x000000000091B000-memory.dmp

Filesize
108KB

Download