stealc | ec9a1bede697caba74ff4666e0317cb3231fe37fbcb9f8821620c52d7d8a4dad

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 05:28

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General

Target

file.exe
Size

205KB
MD5

dbb43b8efb997de4ce00a09d935c0f5f
SHA1

cea05c7e693cc39dc2543a18d466b0a4362dacd3
SHA256

ec9a1bede697caba74ff4666e0317cb3231fe37fbcb9f8821620c52d7d8a4dad
SHA512

7705c1fb468666a407292efcd7d4edffb1e2680c0dd14445064fd0a1f2e606cca8eb61f6509c13703e96502178c26388ad8855a87d71fda8f9f1f2d7f49e86cc
SSDEEP

6144:i3rZh0Z7XWqKZNZswij1eeUY5ss8IIQO9jucsEO:miZCqKlswO1eSsBIROAcsEO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 2864	3020	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	2864	WerFault.exe	31

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 17 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 3020 wrote to memory of 2864	3020	file.exe	31
PID 2864 wrote to memory of 2728	2864	RegAsm.exe	32
PID 2864 wrote to memory of 2728	2864	RegAsm.exe	32
PID 2864 wrote to memory of 2728	2864	RegAsm.exe	32
PID 2864 wrote to memory of 2728	2864	RegAsm.exe	32

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:3020
- 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
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 252
    3⤵
    - Program crash
    PID:2728

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/2864-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2864-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3020-0-0x000000007431E000-0x000000007431F000-memory.dmp

Filesize
4KB

Download
memory/3020-1-0x0000000000CB0000-0x0000000000CE8000-memory.dmp

Filesize
224KB

Download
memory/3020-13-0x0000000074310000-0x00000000749FE000-memory.dmp

Filesize
6.9MB

Download