stealc | 743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24

General

Target

743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe
Size

207KB
MD5

cd6646d9eddb6ed8900b5bd9da0597f2
SHA1

d87cb53b2b10d804721c80894bccbc989df5acae
SHA256

743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24
SHA512

39060c059137fd3fd00405043e97608481bf2035090a0f5aafebec84975c701296e9227f3e61977a14d9767830be4cdf1b2fd36c443643b73ec135f438b8a8b6
SSDEEP

3072:yUd26oMw93Ix61HeP3OYfMylQR3iVhMQzQOKYTQ6GFaAio+qrOeJFhc7aKIC+zcX:9b+ZebiQkCQj0Lde6OKIPcOwDEO

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

C2

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 1820 set thread context of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2220	1688	WerFault.exe	29

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	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1820 wrote to memory of 1688	1820	743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe	29
PID 1688 wrote to memory of 2220	1688	RegAsm.exe	30
PID 1688 wrote to memory of 2220	1688	RegAsm.exe	30
PID 1688 wrote to memory of 2220	1688	RegAsm.exe	30
PID 1688 wrote to memory of 2220	1688	RegAsm.exe	30

C:\Users\Admin\AppData\Local\Temp\743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe
"C:\Users\Admin\AppData\Local\Temp\743948a05fa7b9a001b346699bc9fd4d645b755bc7ef73802b2a139288910f24.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- 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:1688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 252
    3⤵
    - Program crash
    PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1688-3-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1688-12-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1688-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1688-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1688-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1688-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1688-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1688-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1688-4-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/1820-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

Filesize
4KB

Download
memory/1820-1-0x0000000000F40000-0x0000000000F78000-memory.dmp

Filesize
224KB

Download
memory/1820-13-0x00000000746E0000-0x0000000074DCE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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