stealc | 420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86

Analysis

max time kernel
133s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 08:25

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General

Target

420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
Size

2.4MB
MD5

0f8b01fce87324b3c2e7fa5964ae96cf
SHA1

cd0126cc397c04e8dbc75d488298c2c8b6d4adb2
SHA256

420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86
SHA512

c643bffeee45d14b6724d1b240328714440bf80959c7922a11715cbd3d7172723035a72348e079eca7edec62b8a62dae84185a16b4e0f1fb5a016d1ac4e6933a
SSDEEP

49152:AKbOKWc0NUys723omzuVp7UxIZ3OxIQPdir6yfCVCDuIHZV+/F93p+o0HGDEn:A3E0NUyM2pzuT7UxIZ3O/PdiWyqMDhHx

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://85.28.47.4

Attributes

url_path
/920475a59bac849d.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

Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs

Processes:

420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe

pid	process
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1908 3132 WerFault.exe 420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe

pid	pid_target	process	target process
1908	3132	WerFault.exe	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.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:

420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe

pid process

3132 420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
3132 420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe

pid process

3132 420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe

C:\Users\Admin\AppData\Local\Temp\420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe
"C:\Users\Admin\AppData\Local\Temp\420a0afef2b1ca0becba2405377ee528cc5d1e6d903eac4e59de97b1ac22ca86.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 1340
2⤵
- Program crash
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3132 -ip 3132
1⤵
PID:2280

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3132-0-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-1-0x000000007F5E0000-0x000000007F9B1000-memory.dmp

Filesize
3.8MB

Download
memory/3132-2-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-3-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-4-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-5-0x000000007F5E0000-0x000000007F9B1000-memory.dmp

Filesize
3.8MB

Download
memory/3132-6-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-7-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-8-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-9-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-10-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-11-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-12-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-13-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-14-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-15-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-16-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download
memory/3132-18-0x00000000009D0000-0x00000000015BC000-memory.dmp

Filesize
11.9MB

Download