stealc | f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2023, 09:41

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General

Target

f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee.exe
Size

1.1MB
MD5

baef575db1492dd0da2634308454dc03
SHA1

913c874deba7cc88c460b372949388bcbb4d4e86
SHA256

f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee
SHA512

e3d86ae827de2e441584203debc0201ebd6312a1bbb51dc82c992652f4cb898831fa27567639855cc125b6f84e63484b443be28b58fc663b0228ab8794f29cee
SSDEEP

24576:8eh4biccwWcz+9N+gigYb484ecjxJjpZ/tA9:8j4EmZNY

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://tetromask.site

Attributes

url_path
/b5c586aec2e1004c.php

rc4.plain

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 2 IoCs

pid	pid_target	Process	procid_target
3752	2320	WerFault.exe	84
4452	2320	WerFault.exe	84

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	f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2320	f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee.exe
2320	f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee.exe

C:\Users\Admin\AppData\Local\Temp\f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee.exe
"C:\Users\Admin\AppData\Local\Temp\f1210b26bcb447fb74411a3ff64f56bb930bb51729dd21b8581868a9a79f06ee.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2320
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 1408
  2⤵
  - Program crash
  PID:3752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2320 -s 1424
  2⤵
  - Program crash
  PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2320 -ip 2320
1⤵
PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2320 -ip 2320
1⤵
PID:792

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2320-0-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/2320-1-0x0000000002320000-0x000000000234B000-memory.dmp

Filesize
172KB

Download
memory/2320-2-0x0000000010000000-0x000000001022D000-memory.dmp

Filesize
2.2MB

Download
memory/2320-3-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/2320-4-0x0000000010000000-0x0000000010121000-memory.dmp

Filesize
1.1MB

Download
memory/2320-5-0x0000000010000000-0x000000001022D000-memory.dmp

Filesize
2.2MB

Download