stealc | 5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228

Analysis

max time kernel
147s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
30/04/2024, 00:02

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General

Target

5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228.exe
Size

213KB
MD5

5f739940a6f806a4d20bc3f104e06d0b
SHA1

6c169ea2565d0ae637baebc6a0ba3c2c0a2051d9
SHA256

5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228
SHA512

d072140e21aeec4da4d673807aa3c97662561eede1f287001073893537126ffcc658ef5dd5b802ce39b2ecdfa1974be1ae080ab75e90e6888f2e3514db1c3364
SSDEEP

3072:xXFirUCuNmiZLgBYATzc3aLo+cu9XCx52nTPIP6:Ip57zc3Ao2X7a

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.150

Attributes

url_path
/c698e1bc8a2f5e6d.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

pid	pid_target	Process	procid_target
1108	3624	WerFault.exe	78

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	5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3624	5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228.exe
3624	5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228.exe

C:\Users\Admin\AppData\Local\Temp\5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228.exe
"C:\Users\Admin\AppData\Local\Temp\5b5172f2d9e29bf1fb37c41a7dedc2d8f837776d5883cd46536d34e914fff228.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 1372
  2⤵
  - Program crash
  PID:1108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3624 -ip 3624
1⤵
PID:3904

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/3624-1-0x0000000002D00000-0x0000000002E00000-memory.dmp

Filesize
1024KB

Download
memory/3624-2-0x0000000003080000-0x00000000030A7000-memory.dmp

Filesize
156KB

Download
memory/3624-3-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/3624-4-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/3624-7-0x0000000002D00000-0x0000000002E00000-memory.dmp

Filesize
1024KB

Download
memory/3624-6-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/3624-9-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/3624-11-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/3624-14-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download