stealc | 0864ab62c90ac7ed596c5bd30a5caa28565b3de2a95c47d5e5bef1b631336092

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 01:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

!!fUlLSetup_3355_P@ssKeys!!/Setup.exe
Size

656.8MB
MD5

a16936abeb9abc4945d6fdd76ecec729
SHA1

a74de976ce3af1db488626afe9796f7f13add504
SHA256

b2300fcaa158d08f4980f4cfe7373848256bd4918384a18e3c32b464add812a7
SHA512

d03704bef171f7815765fb527fa7c1103fdfbdfeaad22eb09b0af893ff1adec9455e7c6629946846be1924e12ac5213f7f467abf0a7276522bccfac3d25f8f44
SSDEEP

196608:doeohPRS9UUoFG2z4wThcbwNq1Af8YOdN6ZLAM4/tS9yS:doeoRao/

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Signatures

Detect Vidar Stealer 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/4056-26-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4056-39-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4056-82-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7
behavioral2/memory/4056-84-0x0000000000400000-0x0000000000649000-memory.dmp	family_vidar_v7

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

VIDA.au3

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation VIDA.au3
Loads dropped DLL 1 IoCs

Processes:

VIDA.au3

pid process

4056 VIDA.au3
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Setup.exe

description pid process target process

PID 4732 set thread context of 3188 4732 Setup.exe more.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	VIDA.au3

pid	process
4056	VIDA.au3

description	pid	process	target process
PID 4732 set thread context of 3188	4732	Setup.exe	more.com

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:

VIDA.au3

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	VIDA.au3
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	VIDA.au3

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Setup.exemore.comVIDA.au3

pid process

4732 Setup.exe
4732 Setup.exe
3188 more.com
3188 more.com
4056 VIDA.au3
4056 VIDA.au3
4056 VIDA.au3
4056 VIDA.au3
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Setup.exemore.com

pid process

4732 Setup.exe
3188 more.com
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

VIDA.au3

pid process

4056 VIDA.au3

pid	process
4732	Setup.exe
4732	Setup.exe
3188	more.com
3188	more.com
4056	VIDA.au3
4056	VIDA.au3
4056	VIDA.au3
4056	VIDA.au3

pid	process
4732	Setup.exe
3188	more.com

pid	process
4056	VIDA.au3

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Setup.exemore.com

description	pid	process	target process
PID 4732 wrote to memory of 3188	4732	Setup.exe	more.com
PID 4732 wrote to memory of 3188	4732	Setup.exe	more.com
PID 4732 wrote to memory of 3188	4732	Setup.exe	more.com
PID 4732 wrote to memory of 3188	4732	Setup.exe	more.com
PID 3188 wrote to memory of 4056	3188	more.com	VIDA.au3
PID 3188 wrote to memory of 4056	3188	more.com	VIDA.au3
PID 3188 wrote to memory of 4056	3188	more.com	VIDA.au3
PID 3188 wrote to memory of 4056	3188	more.com	VIDA.au3
PID 3188 wrote to memory of 4056	3188	more.com	VIDA.au3
PID 3188 wrote to memory of 4056	3188	more.com	VIDA.au3

C:\Users\Admin\AppData\Local\Temp\!!fUlLSetup_3355_P@ssKeys!!\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\!!fUlLSetup_3355_P@ssKeys!!\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4732

C:\Windows\SysWOW64\more.com
C:\Windows\SysWOW64\more.com
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3188

C:\Users\Admin\AppData\Local\Temp\VIDA.au3
C:\Users\Admin\AppData\Local\Temp\VIDA.au3
3⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4056

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\VIDA.au3
Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\aaaf2193
Filesize
1.6MB

MD5
e9036df928c31d7ba3f8ed63275a9dc2

SHA1
d1effabbdb38682cf73f6ddb5f0170112efe6381

SHA256
f2516f2ea49297ceb88651eec0815035cf3961543891571f62a013df3a3400b2

SHA512
841cfceda5f9cbbb2689e158918c3c44071928ef6c96f20651b8aeae1211c423a8ff6fd3f4d50b7e9ce01b1cc12bcb020cbe941430376c991521c93ca49afe6d

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad88705b
Filesize
1.7MB

MD5
8cdf69947dbd675219ce9dcad4126670

SHA1
584866be3d9ff5fab7875081a5629faebd035b3e

SHA256
94047a6cb6019170f06d1d5cec734a5d7cd245ef1db05a509e0425d00fedafb8

SHA512
94857a5ff523a8a38587ee6b55664378e2776ae3fc74416f41b7f8ae47a27afca7afa8577dc91894dcd8436dab4468f321d8526c76d1c740f7fcf201c035e7eb

Download Submit
memory/3188-16-0x0000000075800000-0x000000007597B000-memory.dmp

Filesize
1.5MB

Download
memory/3188-83-0x000000007580E000-0x0000000075810000-memory.dmp

Filesize
8KB

Download
memory/3188-23-0x0000000075800000-0x000000007597B000-memory.dmp

Filesize
1.5MB

Download
memory/3188-17-0x000000007580E000-0x0000000075810000-memory.dmp

Filesize
8KB

Download
memory/3188-18-0x0000000075800000-0x000000007597B000-memory.dmp

Filesize
1.5MB

Download
memory/3188-14-0x00007FF83ECB0000-0x00007FF83EEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4056-27-0x00007FF83ECB0000-0x00007FF83EEA5000-memory.dmp

Filesize
2.0MB

Download
memory/4056-26-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/4056-39-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/4056-41-0x000000001CB90000-0x000000001CDEF000-memory.dmp

Filesize
2.4MB

Download
memory/4056-82-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/4056-84-0x0000000000400000-0x0000000000649000-memory.dmp

Filesize
2.3MB

Download
memory/4732-10-0x00007FF82F870000-0x00007FF82F9E2000-memory.dmp

Filesize
1.4MB

Download
memory/4732-9-0x00007FF82F870000-0x00007FF82F9E2000-memory.dmp

Filesize
1.4MB

Download
memory/4732-8-0x00007FF82F888000-0x00007FF82F889000-memory.dmp

Filesize
4KB

Download
memory/4732-7-0x00007FF82F870000-0x00007FF82F9E2000-memory.dmp

Filesize
1.4MB

Download
memory/4732-0-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/4732-1-0x0000000000400000-0x0000000000B60000-memory.dmp

Filesize
7.4MB

Download