stealc | d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 04:35

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General

Target

file.exe
Size

216KB
MD5

3c01f02d55374baace8ac5b33fe49f0e
SHA1

20c79d225fad0162363986914f34830cb6e1caaa
SHA256

d63d18c67f83e54c77072aa953c5e5c0496a7a4c2ac6ca8bd07e211ee80b3d6c
SHA512

430c8e350363a38ea37067ddd379c04f723ec379a959cc2083ca2a6b17e789f7a6c30e377e82f3514c6bb603e8a6890d40eb3de84b9ddf8b84bb8005fe2dd850
SSDEEP

6144:sgc6Fx2RMPWAECC4ukYFYMbejiofOXpXbV4EO:bpP2RMPjECCmYFYMbej2LV4EO

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 3004 set thread context of 2680	3004	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	2680	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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 3004 wrote to memory of 2680	3004	file.exe	31
PID 2680 wrote to memory of 2812	2680	RegAsm.exe	32
PID 2680 wrote to memory of 2812	2680	RegAsm.exe	32
PID 2680 wrote to memory of 2812	2680	RegAsm.exe	32
PID 2680 wrote to memory of 2812	2680	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:3004
- 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:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 252
    3⤵
    - Program crash
    PID:2812

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/2680-9-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-16-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2680-14-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3004-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/3004-1-0x0000000000060000-0x0000000000098000-memory.dmp

Filesize
224KB

Download
memory/3004-17-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/3004-4-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/3004-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download