stealc | 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 23:33

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General

Target

file.exe
Size

216KB
MD5

242293154c0caabd9953b0b1804926a7
SHA1

8fabbf702ded34e84da34ec5d9255a23fef63939
SHA256

43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94
SHA512

d3cd5c5d56f17ae088d315de8d2cba8eaa3cd6d8f6b38368c28c9c6cf98532992dc35192ad99f9823e2eb0a3e5c3bd0c266c27bed54352d81c6190165d7ade7d
SSDEEP

6144:U/ipLSItOvhdzG9NznVfi6DN567zTMMEO:8iBS0On+V7DN567n7EO

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 2536 set thread context of 2264	2536	file.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	2264	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 24 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2696	2536	file.exe	31
PID 2536 wrote to memory of 2696	2536	file.exe	31
PID 2536 wrote to memory of 2696	2536	file.exe	31
PID 2536 wrote to memory of 2696	2536	file.exe	31
PID 2536 wrote to memory of 2696	2536	file.exe	31
PID 2536 wrote to memory of 2696	2536	file.exe	31
PID 2536 wrote to memory of 2696	2536	file.exe	31
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2536 wrote to memory of 2264	2536	file.exe	32
PID 2264 wrote to memory of 2968	2264	RegAsm.exe	33
PID 2264 wrote to memory of 2968	2264	RegAsm.exe	33
PID 2264 wrote to memory of 2968	2264	RegAsm.exe	33
PID 2264 wrote to memory of 2968	2264	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:2536
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2696
- 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:2264
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 252
    3⤵
    - Program crash
    PID:2968

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/2264-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2264-9-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2264-17-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2264-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2264-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2264-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2264-8-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2264-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2264-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2536-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2536-13-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-4-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-1-0x0000000000CE0000-0x0000000000D18000-memory.dmp

Filesize
224KB

Download
memory/2536-2-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-18-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download