stealc | 11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e

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 16:10

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General

Target

11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
Size

2.3MB
MD5

362aadbd9dc628c321bc33892046b8c1
SHA1

f8831ff7c1fa70f4d56985b08daada57758c3171
SHA256

11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e
SHA512

03a8100cd8cbd9a519e19922a1f29dfed84514b029e3e7dc6e6f76d45078deeb2703c074f8b8faaac9103302fc90a93d26a9302967f9b9c992b3ecd82437c9e9
SSDEEP

49152:Cy78p6FyspLM6JZID0V1/VvzkUrJyORGcR5cD/96lehH8kRyMx:x78k/pLV7IozClcPY/wsZ1Z

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:

11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

pid	process
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1876 2852 WerFault.exe 11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

pid	pid_target	process	target process
1876	2852	WerFault.exe	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.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:

11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

pid process

2852 11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
2852 11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

pid process

2852 11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe

C:\Users\Admin\AppData\Local\Temp\11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe
"C:\Users\Admin\AppData\Local\Temp\11f5b01983cd221e28aa672906d313ca45dc0ed41f351602779590576104c52e.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 1372
2⤵
- Program crash
PID:1876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2852 -ip 2852
1⤵
PID:1436

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/2852-0-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-1-0x000000007F8C0000-0x000000007FC91000-memory.dmp

Filesize
3.8MB

Download
memory/2852-2-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-3-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-4-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-5-0x000000007F8C0000-0x000000007FC91000-memory.dmp

Filesize
3.8MB

Download
memory/2852-6-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-7-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-8-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-9-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-10-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-11-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-12-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-13-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-14-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-15-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-16-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download
memory/2852-17-0x00000000006F0000-0x00000000012D3000-memory.dmp

Filesize
11.9MB

Download