stealc | 2ad46d1e3c84a67063d7b773b774640c4f52ce27607a7559174177f2dcbdca3c

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 15:41

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General

Target

ffd9def9418d3d140e0e9e39e88ad898.exe
Size

306KB
MD5

ffd9def9418d3d140e0e9e39e88ad898
SHA1

c71b244c51ac349e2f7a41f7a55a27fc1ca8361a
SHA256

2ad46d1e3c84a67063d7b773b774640c4f52ce27607a7559174177f2dcbdca3c
SHA512

015020adb4dc8b73174388965fb7bc9a7770b7a57f580ec631ca4a11d99383e6cc3c1ab08bac0ebf12b00f05ec1af53b557cba25646f452fb13e0efdd030951a
SSDEEP

3072:b3OxChMwp/fzpHctNq+IbLO4bIimy+OZYgluJOxguQhjZXCw0gYKoiHEyI7IuU:L957FLzjw6ZNuJSQhjgZVmEy+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

4468 1492 WerFault.exe ffd9def9418d3d140e0e9e39e88ad898.exe

pid	pid_target	process	target process
4468	1492	WerFault.exe	ffd9def9418d3d140e0e9e39e88ad898.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:

ffd9def9418d3d140e0e9e39e88ad898.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ffd9def9418d3d140e0e9e39e88ad898.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ffd9def9418d3d140e0e9e39e88ad898.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ffd9def9418d3d140e0e9e39e88ad898.exe

pid process

1492 ffd9def9418d3d140e0e9e39e88ad898.exe
1492 ffd9def9418d3d140e0e9e39e88ad898.exe

pid	process
1492	ffd9def9418d3d140e0e9e39e88ad898.exe
1492	ffd9def9418d3d140e0e9e39e88ad898.exe

C:\Users\Admin\AppData\Local\Temp\ffd9def9418d3d140e0e9e39e88ad898.exe
"C:\Users\Admin\AppData\Local\Temp\ffd9def9418d3d140e0e9e39e88ad898.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 1316
2⤵
- Program crash
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1492 -ip 1492
1⤵
PID:5000

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/1492-2-0x0000000001AB0000-0x0000000001AD7000-memory.dmp

Filesize
156KB

Download
memory/1492-1-0x0000000001B30000-0x0000000001C30000-memory.dmp

Filesize
1024KB

Download
memory/1492-3-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1492-4-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1492-5-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1492-6-0x0000000001B30000-0x0000000001C30000-memory.dmp

Filesize
1024KB

Download
memory/1492-9-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1492-11-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download
memory/1492-13-0x0000000000400000-0x0000000001A18000-memory.dmp

Filesize
22.1MB

Download