stealc | 1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 02:13

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General

Target

1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12.exe
Size

298KB
MD5

3e5fc816d18b06cefcb86a31ae9fe52e
SHA1

d8f337ca370a09992ad27220f144a6f20c372251
SHA256

1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12
SHA512

e14098a1574cea3610f5256d6f97c53f2d98b660ac6efdc16e207e4241bedc95ed209f9d2174142c52657f8fe2ce29797684a54fe2598fcca6706794d76b092a
SSDEEP

3072:bWDK/GyxdpY69sWL1rI6HajUvMsmnyrZy4ZWcshT1JCHrRzTiqNP9Rg9CEhLkg:6DgG4MWJrw4RI9hhDCLRzdgC

Score

10^/10

stealc default discovery stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://92.255.57.89

Attributes

url_path
/45c616e921a794b8.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
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

pid	pid_target	Process	procid_target
3000	4740	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4740	1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12.exe
4740	1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12.exe

C:\Users\Admin\AppData\Local\Temp\1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12.exe
"C:\Users\Admin\AppData\Local\Temp\1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 1276
  2⤵
  - Program crash
  PID:3000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4740 -ip 4740
1⤵
PID:4272

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4740-1-0x0000000000A70000-0x0000000000B70000-memory.dmp

Filesize
1024KB

Download
memory/4740-2-0x00000000009C0000-0x00000000009FD000-memory.dmp

Filesize
244KB

Download
memory/4740-3-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download
memory/4740-4-0x0000000000A70000-0x0000000000B70000-memory.dmp

Filesize
1024KB

Download
memory/4740-5-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/4740-6-0x00000000009C0000-0x00000000009FD000-memory.dmp

Filesize
244KB

Download
memory/4740-7-0x0000000000400000-0x0000000000650000-memory.dmp

Filesize
2.3MB

Download