stealc | eba091f4887e9bc9e0308d4e7830b2ae7b50eddb7c53425bd78db0f959ed6524

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 00:30

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General

Target

file.exe
Size

326KB
MD5

4ecc9d9d93e5ff84765dacbb1e54a4c9
SHA1

f2f796276b0aa4adcc02f6b9d11aabf1d97f9a06
SHA256

eba091f4887e9bc9e0308d4e7830b2ae7b50eddb7c53425bd78db0f959ed6524
SHA512

dc093ad97b34a5afad3c324c24425c950f48d5601444c044a718a0e47355a8f125d54a07fd8969ab85a00cce2d3c148a7dc2dcb4628647ed2c8e1ba50955b8cd
SSDEEP

6144:t8Dq7rJx+8v1/uqlAY1IyC2izMNaTPXECyd1uVhf11kNSEO:KDq6OlA2jjizMGXET4XfAkEO

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 2260 set thread context of 2748	2260	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	2748	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 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2260 wrote to memory of 2748	2260	file.exe	31
PID 2748 wrote to memory of 2712	2748	RegAsm.exe	32
PID 2748 wrote to memory of 2712	2748	RegAsm.exe	32
PID 2748 wrote to memory of 2712	2748	RegAsm.exe	32
PID 2748 wrote to memory of 2712	2748	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:2260
- 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:2748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 252
    3⤵
    - Program crash
    PID:2712

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/2260-4-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2260-1-0x0000000000C80000-0x0000000000CD6000-memory.dmp

Filesize
344KB

Download
memory/2260-17-0x0000000074130000-0x000000007481E000-memory.dmp

Filesize
6.9MB

Download
memory/2260-0-0x000000007413E000-0x000000007413F000-memory.dmp

Filesize
4KB

Download
memory/2748-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2748-18-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2748-7-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2748-13-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2748-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2748-9-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2748-8-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2748-15-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2748-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download