stealc | 576ae20ecf51decbf1e8a5a934975b451f8a11e03766928535a49e70c368175b

Analysis

max time kernel
140s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 12:07

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General

Target

file.exe
Size

242KB
MD5

0d4e145bf382b81a0520ef473e402ea6
SHA1

1627372f4af395cb4b08ea603112fb993adb962c
SHA256

576ae20ecf51decbf1e8a5a934975b451f8a11e03766928535a49e70c368175b
SHA512

a07ad961708e44724e68864a8d6af5195bb4d137be3241e42e3c953132f5ee22aad405919c0ec15323b6675e915a470dbb08d6cf0c2d2b6b219dac8df0e75e64
SSDEEP

3072:uYWC+vyQw35qSBmUFCOxFEQyfUG/GuPP8sfpjJJ6/CPZtsn5cpUkZTWLm:/JBd34imsC+FEHG0fpjGGpvZTf

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://bryanzachary.top

Attributes

url_path
/e9c345fc99a4e67e.php

rc4.plain

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
4228	4140	WerFault.exe	86

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4140	file.exe
4140	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 1036
  2⤵
  - Program crash
  PID:4228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4140 -ip 4140
1⤵
PID:4184

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4140-0-0x00000000007D0000-0x00000000007E5000-memory.dmp

Filesize
84KB

Download
memory/4140-1-0x00000000007F0000-0x000000000080B000-memory.dmp

Filesize
108KB

Download
memory/4140-2-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/4140-3-0x0000000000400000-0x000000000062D000-memory.dmp

Filesize
2.2MB

Download
memory/4140-4-0x00000000007D0000-0x00000000007E5000-memory.dmp

Filesize
84KB

Download
memory/4140-5-0x00000000007F0000-0x000000000080B000-memory.dmp

Filesize
108KB

Download