stealc | 27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 13:29

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General

Target

file.exe
Size

326KB
MD5

adcbb5fa5706fb287f01370eb99e0d10
SHA1

2bff6fd096b95b1591259d223f7a0ced2bb1c79f
SHA256

27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700
SHA512

c2c9addbbbad6c678069874428ab54060550e583e018af9052a8445ee32bfb72586592711b6ae25d392378e50fdfb2ff9a6741d4aa4a5b15cd0b16176db0b8f1
SSDEEP

6144:Ns/IeaQRgAaVIEs1gsHKyDbrXtkD+yEl9WsAwT92ORxEO:qweRd11d5frdhyEl9WiT93EO

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 1720 set thread context of 2452	1720	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1684	2452	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 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 1720 wrote to memory of 2452	1720	file.exe	31
PID 2452 wrote to memory of 1684	2452	RegAsm.exe	32
PID 2452 wrote to memory of 1684	2452	RegAsm.exe	32
PID 2452 wrote to memory of 1684	2452	RegAsm.exe	32
PID 2452 wrote to memory of 1684	2452	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:1720
- 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:2452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 252
    3⤵
    - Program crash
    PID:1684

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/1720-8-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/1720-1-0x0000000000180000-0x00000000001D6000-memory.dmp

Filesize
344KB

Download
memory/1720-16-0x0000000074770000-0x0000000074E5E000-memory.dmp

Filesize
6.9MB

Download
memory/1720-0-0x000000007477E000-0x000000007477F000-memory.dmp

Filesize
4KB

Download
memory/2452-7-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2452-11-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2452-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2452-15-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2452-14-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2452-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2452-5-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2452-4-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2452-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download