stealc | aa26475eeea5b19d3d052637a9e988e0250ae16190807889fc255065687c8780

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-04-2024 02:31

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General

Target

6a1950539f96cbb2cf816a413a68e07f.exe
Size

311KB
MD5

6a1950539f96cbb2cf816a413a68e07f
SHA1

6bff7074f3bfc7dfa00dd188ab8b620a8d986cc7
SHA256

aa26475eeea5b19d3d052637a9e988e0250ae16190807889fc255065687c8780
SHA512

be12aa463be7df2d66e6fbda1bb9eb783328b72e4b001904574d9541b9e13ad343e3e58f0febdf1196d39d69835b60a3bd475d3ed978945415f423c4fc0ef02d
SSDEEP

3072:t1K1Gr12pK4q+LM6B+uTzLzX0z1eQZvjOG7cZIORHw1zjyMwWF96ZYikkZ7ODE:6obaX5ykZBRQ1zjyM10YiJODE

Score

10^/10

stealc discovery spyware 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
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

6a1950539f96cbb2cf816a413a68e07f.exe

pid process

2820 6a1950539f96cbb2cf816a413a68e07f.exe
2820 6a1950539f96cbb2cf816a413a68e07f.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

pid	process
2820	6a1950539f96cbb2cf816a413a68e07f.exe
2820	6a1950539f96cbb2cf816a413a68e07f.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:

6a1950539f96cbb2cf816a413a68e07f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	6a1950539f96cbb2cf816a413a68e07f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	6a1950539f96cbb2cf816a413a68e07f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

6a1950539f96cbb2cf816a413a68e07f.exe

pid process

2820 6a1950539f96cbb2cf816a413a68e07f.exe
2820 6a1950539f96cbb2cf816a413a68e07f.exe

pid	process
2820	6a1950539f96cbb2cf816a413a68e07f.exe
2820	6a1950539f96cbb2cf816a413a68e07f.exe

C:\Users\Admin\AppData\Local\Temp\6a1950539f96cbb2cf816a413a68e07f.exe
"C:\Users\Admin\AppData\Local\Temp\6a1950539f96cbb2cf816a413a68e07f.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2820-2-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/2820-1-0x0000000001B60000-0x0000000001C60000-memory.dmp

Filesize
1024KB

Download
memory/2820-3-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/2820-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2820-65-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/2820-66-0x0000000001B60000-0x0000000001C60000-memory.dmp

Filesize
1024KB

Download