stealc | 141b94942464c19bbe918855f4268bd21c3e9014c98a55ce52ed71187eed1861

Analysis

max time kernel
93s
max time network
94s
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 06:29

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General

Target

file.exe
Size

336KB
MD5

c5d9f790b502834a348666c5ba0d8082
SHA1

f3a5f08e7c525c914879d7f57656f41bae05bb37
SHA256

141b94942464c19bbe918855f4268bd21c3e9014c98a55ce52ed71187eed1861
SHA512

3548d414640fcdc3717fce74b980afecafeda093595e222516c4ec273af5c5e7fab3ed8849ad75669067f1c0ecc711e65f25c241914e1b0aba66ff08cb0e8a8e
SSDEEP

6144:TRQVnciLnWAlJOgBSzPUNdgGISuc8FFhAQBemOSrlFe+GFek3EO:GVnc4korg+8Fg7mvrl4EO

Score

10^/10

stealc default5_doz discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default5_doz

http://62.204.41.159

Attributes

url_path
/edd20096ecef326d.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 3628	2672	file.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 3628	2672	file.exe	83
PID 2672 wrote to memory of 3628	2672	file.exe	83
PID 2672 wrote to memory of 3628	2672	file.exe	83
PID 2672 wrote to memory of 3628	2672	file.exe	83
PID 2672 wrote to memory of 3628	2672	file.exe	83
PID 2672 wrote to memory of 3628	2672	file.exe	83
PID 2672 wrote to memory of 3628	2672	file.exe	83
PID 2672 wrote to memory of 3628	2672	file.exe	83
PID 2672 wrote to memory of 3628	2672	file.exe	83

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2672-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/2672-1-0x00000000000B0000-0x0000000000106000-memory.dmp

Filesize
344KB

Download
memory/2672-2-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/2672-6-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/2672-9-0x0000000074BC0000-0x0000000075370000-memory.dmp

Filesize
7.7MB

Download
memory/3628-8-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3628-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3628-10-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3628-11-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download