stealc | 2b8bcd9d7d072feb114e0436dc10aa80fda52cdd46a4948ea1ae984f74898375

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30/09/2024, 04:58

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General

Target
file.exe
Size 326KB
Sample240930-fltqystdqc
SHA256 2b8bcd9d7d072feb114e0436dc10aa80fda52cdd46a4948ea1ae984f74898375
MD5 2832fbde1cf7ea83bd6fd6a4a5e8fe15
SHA1 1ced7a749d257091e0c3b75605fd3bc005e531de
SHA512 c69f1197a0c74d057ab569d35c9af675fc465ce6abcc6c8fc32b316d3586871a426d7ab904c43827be7413748f0f45f7f3689076ca031fd858a4a8abf78b9299
SSDEEP 6144:dgqIdwwbWbN7Ps3jMJ1iCQNj2AFG5aFOcOIYcg8dWwkUf+OYEO:hNOjMD7QNSAgaFOj+GTEO
MD5 SHA1 SHA512 SSDEEP

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 2848 set thread context of 2800	2848	file.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2868	2800	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 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2848 wrote to memory of 2800	2848	file.exe	31
PID 2800 wrote to memory of 2868	2800	RegAsm.exe	32
PID 2800 wrote to memory of 2868	2800	RegAsm.exe	32
PID 2800 wrote to memory of 2868	2800	RegAsm.exe	32
PID 2800 wrote to memory of 2868	2800	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:2848
- 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:2800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 252
    3⤵
    - Program crash
    PID:2868

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

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Downloads

memory/2800-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2800-10-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2800-4-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2800-7-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2800-15-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2800-12-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2800-6-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2800-5-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2800-3-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2848-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

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memory/2848-1-0x0000000000960000-0x00000000009B6000-memory.dmp

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memory/2848-13-0x0000000074C60000-0x000000007534E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads