stealc | f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d

Analysis

max time kernel
111s
max time network
100s
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 09:00

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General

Target

f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe
Size

311KB
MD5

1fef036f016845e04ac3e1972726487b
SHA1

f366798d5dfa8223b16b5d45af8ba6011305f731
SHA256

f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d
SHA512

d28cecdc24ff1509245184ea0270ac4dee65d3ba462670ad8b078e001bcf2d78518d453b89d288be7212bd3c1b4b1db0ff586fe03493bf0bc0df29dcc3256105
SSDEEP

3072:81EtfkRpO1weZ7BpH+10+M3cxmtUYYQqjUhUO0tXCYAa6nMipSujcgMS2jUHEca7:2oZpl88UYYtYhH0F2acigMtj8Eca1d

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

2616 4684 WerFault.exe f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe

pid	pid_target	process	target process
2616	4684	WerFault.exe	f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.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:

f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe

pid	process
4684	f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe
4684	f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe

C:\Users\Admin\AppData\Local\Temp\f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe
"C:\Users\Admin\AppData\Local\Temp\f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 1336
2⤵
- Program crash
PID:2616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4684 -ip 4684
1⤵
PID:2260

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/4684-1-0x0000000001A70000-0x0000000001B70000-memory.dmp

Filesize
1024KB

Download
memory/4684-2-0x0000000001BB0000-0x0000000001BD7000-memory.dmp

Filesize
156KB

Download
memory/4684-3-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4684-4-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4684-5-0x0000000001A70000-0x0000000001B70000-memory.dmp

Filesize
1024KB

Download
memory/4684-6-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4684-9-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4684-11-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4684-13-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download