stealc | 828735c9709ac08d9cf082a41c8516596ebe117e5f49ddb7083fe8f73c78c9f9

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 15:36

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General

Target

743609233271563cfdace5149bb23982.exe
Size

306KB
MD5

743609233271563cfdace5149bb23982
SHA1

b28a958a6f1b4c5cfff6ea8f001609ee738c54b0
SHA256

828735c9709ac08d9cf082a41c8516596ebe117e5f49ddb7083fe8f73c78c9f9
SHA512

eacbacb5a3bbecc44740dcba6e920c70909cda3bc341ce8040d690276d18b7025238dc924a83fb580958acab7d54887c2caece6ebde74886ecf941ea566e3897
SSDEEP

3072:93Cbs6xpaNpZ8MtS+pbLmhApdEC7XY/rHkZVejtfxKfkH91vXJcrZWeK3DHEk8II:KENLi6LdEgIzkZFuFqWeK3LEk8+U

Score

10^/10

stealc discovery stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.151

Attributes

url_path
/7043a0c6a68d9c65.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

2392 2944 WerFault.exe 743609233271563cfdace5149bb23982.exe

pid	pid_target	process	target process
2392	2944	WerFault.exe	743609233271563cfdace5149bb23982.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:

743609233271563cfdace5149bb23982.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	743609233271563cfdace5149bb23982.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	743609233271563cfdace5149bb23982.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

743609233271563cfdace5149bb23982.exe

pid process

2944 743609233271563cfdace5149bb23982.exe
2944 743609233271563cfdace5149bb23982.exe

pid	process
2944	743609233271563cfdace5149bb23982.exe
2944	743609233271563cfdace5149bb23982.exe

C:\Users\Admin\AppData\Local\Temp\743609233271563cfdace5149bb23982.exe
"C:\Users\Admin\AppData\Local\Temp\743609233271563cfdace5149bb23982.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 1340
2⤵
- Program crash
PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2944 -ip 2944
1⤵
PID:4792

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/2944-1-0x0000000001A40000-0x0000000001B40000-memory.dmp

Filesize
1024KB

Download
memory/2944-2-0x0000000003660000-0x0000000003687000-memory.dmp

Filesize
156KB

Download
memory/2944-3-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/2944-4-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/2944-5-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/2944-6-0x0000000001A40000-0x0000000001B40000-memory.dmp

Filesize
1024KB

Download
memory/2944-9-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/2944-11-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/2944-13-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download