stealc | 5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f

Analysis

max time kernel
134s
max time network
122s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
01-07-2024 04:25

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General

Target

5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
Size

2.4MB
MD5

b20d1e84ee4932c0d7a1d271a2c68436
SHA1

a0665e1a3f7f678aef6507c4cfc258e8aae5c261
SHA256

5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f
SHA512

c063a804c17f80908c564696e44710f916257c7c3ad55f11c86e76aaa92000f09a356e56d78f1b59f174190c6c5465c7eda759303ddd320cf32b02a84d517d17
SSDEEP

49152:eTblBDqbYpQvG9NZwcpyx6mRCpbf6/UGmt1wBhgS7YLs/r0KaUJ25i:KblhqbYqv4NKcplm2usGGwBX8LsoKaCB

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:

5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe

pid	process
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2256 4612 WerFault.exe 5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe

pid	pid_target	process	target process
2256	4612	WerFault.exe	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.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:

5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe

pid process

4612 5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
4612 5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe

pid process

4612 5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe

C:\Users\Admin\AppData\Local\Temp\5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe
"C:\Users\Admin\AppData\Local\Temp\5ac4e25d430c304c15c9d83bbb5dbef0d290cb5e517bbf92899ddb63fde1e43f.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 1480
2⤵
- Program crash
PID:2256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4612 -ip 4612
1⤵
PID:2092

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/4612-0-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-1-0x000000007F420000-0x000000007F7F1000-memory.dmp

Filesize
3.8MB

Download
memory/4612-2-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-3-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-4-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-5-0x000000007F420000-0x000000007F7F1000-memory.dmp

Filesize
3.8MB

Download
memory/4612-6-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-7-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-8-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-9-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-10-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-11-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-12-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-13-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-14-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-15-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-16-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download
memory/4612-17-0x0000000000B20000-0x000000000172B000-memory.dmp

Filesize
12.0MB

Download