stealc | daf4e8849a3b6011bff41cc2c7decee8c769a4ebf2be3d7316930f40448ddb25

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-09-2024 17:14

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General

Target

file.exe
Size

205KB
MD5

5409b0fc8b14c5b24f5db3ede8cef555
SHA1

9f6beb3b72e1956860cdc4683fcb788b2b912713
SHA256

daf4e8849a3b6011bff41cc2c7decee8c769a4ebf2be3d7316930f40448ddb25
SHA512

ef9f1438c39c992f76b28e2fa2f4789875a00a49072d42410cf4c65549597adfb119547afaa8738a9270c6a6c94e199f283442edc05d294e6a8f60a0eec5c10a
SSDEEP

6144:nXXbZkdfvaC2pgfSO6z43ZJ2wcdp8gd51zEO:nXXWdqC2Ka/AJ/cdzd51zEO

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 1892 set thread context of 2692	1892	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	2692	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 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 1892 wrote to memory of 2692	1892	file.exe	31
PID 2692 wrote to memory of 2704	2692	RegAsm.exe	32
PID 2692 wrote to memory of 2704	2692	RegAsm.exe	32
PID 2692 wrote to memory of 2704	2692	RegAsm.exe	32
PID 2692 wrote to memory of 2704	2692	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:1892
- 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:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 252
    3⤵
    - Program crash
    PID:2704

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/1892-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/1892-1-0x00000000009D0000-0x0000000000A08000-memory.dmp

Filesize
224KB

Download
memory/1892-13-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2692-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2692-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2692-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2692-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2692-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2692-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2692-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2692-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download