stealc | 43f5db59709683d5fa3bab0d8b3c9cffe6500af722e678c795ec383edbf44b08

Analysis

max time kernel
147s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 21:12

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General

Target

777.exe
Size

419KB
MD5

8c73eea8c4a07427bca0223f6cb08310
SHA1

4737c39fcc3b2294c4f23ba77f6b234c92be668d
SHA256

43f5db59709683d5fa3bab0d8b3c9cffe6500af722e678c795ec383edbf44b08
SHA512

3c5499c3c028a2295627bbf51f77be944e30fe49af1b2f4b7b959729162e5a7c4982c559248c9db99f42a966b19806f7dc5c650df17b79498757c88830f5ebec
SSDEEP

6144:xDtDv7vYCNMj41PYo1cLZIYcIVuqqi45x1y6GQ5UAxqLGUOaOMNsvXZ2aKYiCWEO:bvYCNM01zYcIVu9l55qLDzVmiCWEO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

https://steamcommunity.com/profiles/76561198035868993

Attributes

url_path
/43e1e04e93874aba.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3876 set thread context of 4892	3876	777.exe	86

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	777.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 4892	3876	777.exe	86
PID 3876 wrote to memory of 4892	3876	777.exe	86
PID 3876 wrote to memory of 4892	3876	777.exe	86
PID 3876 wrote to memory of 4892	3876	777.exe	86
PID 3876 wrote to memory of 4892	3876	777.exe	86
PID 3876 wrote to memory of 4892	3876	777.exe	86
PID 3876 wrote to memory of 4892	3876	777.exe	86
PID 3876 wrote to memory of 4892	3876	777.exe	86
PID 3876 wrote to memory of 4892	3876	777.exe	86

C:\Users\Admin\AppData\Local\Temp\777.exe
"C:\Users\Admin\AppData\Local\Temp\777.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3876
- 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
  PID:4892

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/3876-0-0x0000000001430000-0x0000000001431000-memory.dmp

Filesize
4KB

Download
memory/4892-1-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4892-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4892-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4892-11-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download