stealc | 25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 20:30

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General

Target

25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe
Size

216KB
MD5

f0a06a83af21eb2d2a7b8a193c95b86b
SHA1

93ca074a7ff6166ca4e22c723b50c772bc0f84c3
SHA256

25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a
SHA512

5e1aa12491c21a3d93fb79e295e61716a77648d6cc44e5740b24fbd3d8349c01aafa1d4715472e387d97e63c9fd3d825fc2e735c38f42ee7ff77956bb3e1383d
SSDEEP

6144:FfWshWuf+d3zCuWYVPeJ7LQyXcR90Bcv:YYBw3muWYVPeJ3Qyc/kE

Score

10^/10

stealc default11 discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default11

http://185.172.128.170

Attributes

url_path
/7043a0c6a68d9c65.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Loads dropped DLL 2 IoCs

Processes:

25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe

pid	process
1316	25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe
1316	25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3992 1316 WerFault.exe 25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe

pid	pid_target	process	target process
3992	1316	WerFault.exe	25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.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:

25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe

pid	process
1316	25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe
1316	25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe

C:\Users\Admin\AppData\Local\Temp\25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe
"C:\Users\Admin\AppData\Local\Temp\25c67473e781c2c7eb7ad0b73e0e999a3e9b462955d27b86e50e4fff94d4995a.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 2008
2⤵
- Program crash
PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1316 -ip 1316
1⤵
PID:5116

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\Are.docx
Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/1316-2-0x0000000002D50000-0x0000000002D77000-memory.dmp

Filesize
156KB

Download
memory/1316-3-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/1316-1-0x0000000002DA0000-0x0000000002EA0000-memory.dmp

Filesize
1024KB

Download
memory/1316-5-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1316-81-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/1316-80-0x0000000000400000-0x0000000002C94000-memory.dmp

Filesize
40.6MB

Download