stealc | 3061319289e566c4c87d53e5fb53dc576992b8fea0c9965fd43e0135687dd455

Analysis

max time kernel
111s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 11:28

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General

Target

tmp.exe
Size

307KB
MD5

7d4d9e231cd2745b74e2ba7c2974bbc7
SHA1

8f48c2a5650566077cb029513997047d95da68a8
SHA256

3061319289e566c4c87d53e5fb53dc576992b8fea0c9965fd43e0135687dd455
SHA512

16e97916ecfa70608536dfdd14c9194d562d77c04215a4c670e62820a1d78226ab89f9698a3696d774fd0da20223665748443a81958c0a9d21fca4382d8111e8
SSDEEP

6144:Ip8+qcjaFQWZJg6mL2P8MbEIFbrE+YON:u8+LaFbrLmLm8lgnPN

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.76

Attributes

url_path
/8681490a59ad0e34.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4784 212 WerFault.exe tmp.exe

pid	pid_target	process	target process
4784	212	WerFault.exe	tmp.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

Processes:

tmp.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	tmp.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

212 tmp.exe
212 tmp.exe

pid	process
212	tmp.exe
212	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 1036
2⤵
- Program crash
PID:4784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 212 -ip 212
1⤵
PID:4808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/212-2-0x0000000001A60000-0x0000000001A87000-memory.dmp

Filesize
156KB

Download
memory/212-1-0x0000000001A90000-0x0000000001B90000-memory.dmp

Filesize
1024KB

Download
memory/212-3-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/212-4-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/212-5-0x0000000001A90000-0x0000000001B90000-memory.dmp

Filesize
1024KB

Download
memory/212-6-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/212-9-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/212-11-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/212-13-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download