stealc | 43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94

General

Target

43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.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

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 2204 set thread context of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2332	2420	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	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2204 wrote to memory of 2420	2204	43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe	31
PID 2420 wrote to memory of 2332	2420	RegAsm.exe	32
PID 2420 wrote to memory of 2332	2420	RegAsm.exe	32
PID 2420 wrote to memory of 2332	2420	RegAsm.exe	32
PID 2420 wrote to memory of 2332	2420	RegAsm.exe	32

C:\Users\Admin\AppData\Local\Temp\43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe
"C:\Users\Admin\AppData\Local\Temp\43e7575547a95e5c4d7b7ad2915c830f252ab206a0baf9691206200a644e7b94.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204
- 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:2420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 252
    3⤵
    - Program crash
    PID:2332

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/2204-0-0x000000007437E000-0x000000007437F000-memory.dmp

Filesize
4KB

Download
memory/2204-1-0x0000000001090000-0x00000000010C8000-memory.dmp

Filesize
224KB

Download
memory/2204-2-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/2204-4-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/2204-19-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/2204-18-0x0000000074370000-0x0000000074A5E000-memory.dmp

Filesize
6.9MB

Download
memory/2420-13-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2420-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2420-10-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2420-9-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2420-7-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2420-6-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2420-5-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2420-15-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2420-17-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download

Analysis

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