stealc | 8c984d1cd3cdcfa53d735568c02ec35e0b7104da679442c275329e0748423d38

Analysis

max time kernel
142s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 13:39

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General

Target

Setup.exe
Size

40.0MB
MD5

36408e074e73dd9c328bfbddebe68c3e
SHA1

883d5d71e3adba2962eb84f42b5687dde8f1a442
SHA256

8c984d1cd3cdcfa53d735568c02ec35e0b7104da679442c275329e0748423d38
SHA512

99bec46233b4361b22e3b51a999b00c03052b6ddd7c035b80a65f5c08a3b81473c68be8d39a0415d2ea8966565e94a35b623e3ab8dc6a1ea6abc5c17e4910333
SSDEEP

98304:F9sgNLBXKolKOUnOqoDJA669v/XH5bPGroIk:F6gdTMrKJAJlJzD

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 8 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/2676-25-0x0000000001600000-0x0000000001849000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-38-0x0000000001600000-0x0000000001849000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-81-0x0000000001600000-0x0000000001849000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-82-0x0000000001600000-0x0000000001849000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-85-0x0000000001600000-0x0000000001849000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-89-0x0000000001600000-0x0000000001849000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-90-0x0000000001600000-0x0000000001849000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-92-0x0000000001600000-0x0000000001849000-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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation VIDA.au3
Loads dropped DLL 1 IoCs

Processes:

VIDA.au3

pid process

2676 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 1004 set thread context of 2332 1004 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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	VIDA.au3

pid	process
2676	VIDA.au3

description	pid	process	target process
PID 1004 set thread context of 2332	1004	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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4916 timeout.exe

pid	process
4916	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

VIDA.au3

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4	VIDA.au3
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 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	VIDA.au3

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

Setup.exemore.comVIDA.au3

pid process

1004 Setup.exe
1004 Setup.exe
2332 more.com
2332 more.com
2676 VIDA.au3
2676 VIDA.au3
2676 VIDA.au3
2676 VIDA.au3
2676 VIDA.au3
2676 VIDA.au3
2676 VIDA.au3
2676 VIDA.au3
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

VIDA.au3

pid process

2676 VIDA.au3
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Setup.exemore.com

pid process

1004 Setup.exe
2332 more.com
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

VIDA.au3

pid process

2676 VIDA.au3
2676 VIDA.au3

pid	process
1004	Setup.exe
1004	Setup.exe
2332	more.com
2332	more.com
2676	VIDA.au3
2676	VIDA.au3
2676	VIDA.au3
2676	VIDA.au3
2676	VIDA.au3
2676	VIDA.au3
2676	VIDA.au3
2676	VIDA.au3

pid	process
2676	VIDA.au3

pid	process
1004	Setup.exe
2332	more.com

pid	process
2676	VIDA.au3
2676	VIDA.au3

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Setup.exemore.comVIDA.au3cmd.exe

description	pid	process	target process
PID 1004 wrote to memory of 2332	1004	Setup.exe	more.com
PID 1004 wrote to memory of 2332	1004	Setup.exe	more.com
PID 1004 wrote to memory of 2332	1004	Setup.exe	more.com
PID 1004 wrote to memory of 2332	1004	Setup.exe	more.com
PID 2332 wrote to memory of 2676	2332	more.com	VIDA.au3
PID 2332 wrote to memory of 2676	2332	more.com	VIDA.au3
PID 2332 wrote to memory of 2676	2332	more.com	VIDA.au3
PID 2332 wrote to memory of 2676	2332	more.com	VIDA.au3
PID 2332 wrote to memory of 2676	2332	more.com	VIDA.au3
PID 2332 wrote to memory of 2676	2332	more.com	VIDA.au3
PID 2676 wrote to memory of 3940	2676	VIDA.au3	cmd.exe
PID 2676 wrote to memory of 3940	2676	VIDA.au3	cmd.exe
PID 2676 wrote to memory of 3940	2676	VIDA.au3	cmd.exe
PID 3940 wrote to memory of 4916	3940	cmd.exe	timeout.exe
PID 3940 wrote to memory of 4916	3940	cmd.exe	timeout.exe
PID 3940 wrote to memory of 4916	3940	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\SysWOW64\more.com
C:\Windows\SysWOW64\more.com
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2332

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
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2676

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FHJKKECFIECA" & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:3940

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
5⤵
- Delays execution with timeout.exe
PID:4916

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3324

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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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\c7c12140
Filesize
1.7MB

MD5
a26a5154155daf58c548cc8c265989e8

SHA1
9e50d00fa14a124fc8d3738a30f97855d9b19233

SHA256
c7653f14cfc64b28e9ecb54e3b29d921dee05d0ff22d148f36e8a8ab15535698

SHA512
054bb206d31b7a4884598d1cfc46a45e26747a42e69e693fd87b83f4fa0f892660955517855abcbdfefc1362dcdd911463d71f106d991d577733072af0fb4ca1

Download Submit
C:\Users\Admin\AppData\Local\Temp\cb4ddee8
Filesize
1.7MB

MD5
aa076babcf601ba0061df4c78311680d

SHA1
d53caf458d2e6bfc4ddb5b34cbf9b5d12c2c163b

SHA256
743e071ef8c1bd5488dc02fc5fbf115ff0c80d60da3c326871c121659b5d3431

SHA512
0d8eb47b3fff33cc863594090395bad4a93f20360a50c0f066f1b9dcf2ed9a3a3db628af83353debe9ce73dba04b1d16547fefe4a727dd103abbdc983fa70469

Download Submit
memory/1004-0-0x00000000005E0000-0x0000000000ACB000-memory.dmp

Filesize
4.9MB

Download
memory/1004-6-0x0000000074650000-0x00000000747CB000-memory.dmp

Filesize
1.5MB

Download
memory/1004-7-0x00007FFF95B50000-0x00007FFF95D45000-memory.dmp

Filesize
2.0MB

Download
memory/1004-9-0x0000000074650000-0x00000000747CB000-memory.dmp

Filesize
1.5MB

Download
memory/1004-8-0x0000000074662000-0x0000000074664000-memory.dmp

Filesize
8KB

Download
memory/1004-10-0x0000000074650000-0x00000000747CB000-memory.dmp

Filesize
1.5MB

Download
memory/2332-22-0x0000000074650000-0x00000000747CB000-memory.dmp

Filesize
1.5MB

Download
memory/2332-12-0x0000000074650000-0x00000000747CB000-memory.dmp

Filesize
1.5MB

Download
memory/2332-18-0x0000000074650000-0x00000000747CB000-memory.dmp

Filesize
1.5MB

Download
memory/2332-14-0x00007FFF95B50000-0x00007FFF95D45000-memory.dmp

Filesize
2.0MB

Download
memory/2332-16-0x0000000074650000-0x00000000747CB000-memory.dmp

Filesize
1.5MB

Download
memory/2676-38-0x0000000001600000-0x0000000001849000-memory.dmp

Filesize
2.3MB

Download
memory/2676-26-0x00007FFF95B50000-0x00007FFF95D45000-memory.dmp

Filesize
2.0MB

Download
memory/2676-25-0x0000000001600000-0x0000000001849000-memory.dmp

Filesize
2.3MB

Download
memory/2676-41-0x000000001B360000-0x000000001B5BF000-memory.dmp

Filesize
2.4MB

Download
memory/2676-81-0x0000000001600000-0x0000000001849000-memory.dmp

Filesize
2.3MB

Download
memory/2676-82-0x0000000001600000-0x0000000001849000-memory.dmp

Filesize
2.3MB

Download
memory/2676-85-0x0000000001600000-0x0000000001849000-memory.dmp

Filesize
2.3MB

Download
memory/2676-89-0x0000000001600000-0x0000000001849000-memory.dmp

Filesize
2.3MB

Download
memory/2676-90-0x0000000001600000-0x0000000001849000-memory.dmp

Filesize
2.3MB

Download
memory/2676-92-0x0000000001600000-0x0000000001849000-memory.dmp

Filesize
2.3MB

Download