stealc | 27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f

Analysis

max time kernel
112s
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 05:46

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General

Target

27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe
Size

312KB
MD5

6d0d02971a232ebeb78b6031df76ba2f
SHA1

a7aba25190d202ddad4f7d09c066a65110ce292f
SHA256

27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f
SHA512

d2370ff83173487a4111e13cd651b9e116e6aef56e7d4eca49dba8db171181145b05243484ad21eaabed16a2025570e047a3e9892cc888ade2a34ba9312ae4d2
SSDEEP

3072:8FqCGtbrlpKHRiKAEm8D+wzvzmGGpRklDCV7ZDc7DF9nipupYQ9HEnr5I7JZjODE:9cHRhdH6kluNufipixEr5OODE

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

368 4548 WerFault.exe 27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe

pid	pid_target	process	target process
368	4548	WerFault.exe	27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.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:

27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe

pid	process
4548	27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe
4548	27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe

C:\Users\Admin\AppData\Local\Temp\27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe
"C:\Users\Admin\AppData\Local\Temp\27dd52d02bcc1afafa3ed0637726956d43942e9ad9addbb25029b3880b609a5f.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1316
2⤵
- Program crash
PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4548 -ip 4548
1⤵
PID:1404

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/4548-2-0x0000000001AA0000-0x0000000001AC7000-memory.dmp

Filesize
156KB

Download
memory/4548-1-0x0000000001C30000-0x0000000001D30000-memory.dmp

Filesize
1024KB

Download
memory/4548-3-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4548-4-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4548-6-0x0000000001C30000-0x0000000001D30000-memory.dmp

Filesize
1024KB

Download
memory/4548-7-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4548-9-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4548-11-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4548-13-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download