stealc | ec194b4917fd62caf00c742b4182bbce64b8e7e923ed43278fd11019ad9a1b42

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 11:38

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General

Target

file.exe
Size

206KB
MD5

4577f74ecd5c343bf097f627c7fdf868
SHA1

1d5d68fd676ba379c899613f4f16bc8b28594f75
SHA256

ec194b4917fd62caf00c742b4182bbce64b8e7e923ed43278fd11019ad9a1b42
SHA512

22e8ea279a00ba57274c314e21329aaae6f6d91e102469927be75a7caa93f1a2b8cbbbd36165e8a6e16b7b511a8e12e49dae4d52ab1e77746fea5972773aeea6
SSDEEP

6144:dk0CrnfGXbw2E122NCyFBM/8MCsOaqXd35beWzEkrXW6EO:d+fGXbPMNCwM0lRaUd3YoE0hEO

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 1780 set thread context of 1096	1780	file.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	1096	WerFault.exe	32

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 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1780 wrote to memory of 1096	1780	file.exe	32
PID 1096 wrote to memory of 2800	1096	RegAsm.exe	33
PID 1096 wrote to memory of 2800	1096	RegAsm.exe	33
PID 1096 wrote to memory of 2800	1096	RegAsm.exe	33
PID 1096 wrote to memory of 2800	1096	RegAsm.exe	33

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:1780
- 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:1096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 252
    3⤵
    - Program crash
    PID:2800

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/1096-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1096-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1096-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1096-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1096-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1096-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1096-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1096-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1096-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1780-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/1780-1-0x0000000000E50000-0x0000000000E88000-memory.dmp

Filesize
224KB

Download
memory/1780-13-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download