stealc | 7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281

General

Target

7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe
Size

1.6MB
MD5

9e6a96ca7272f477e20152a43fd8cf60
SHA1

253da6311875fd83ddea44ee4c246c76dfc34c0b
SHA256

7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281
SHA512

eab6c50c65ea8f93e298a55c09a7ad14282bba68c79ff61a765ce8f066207202662d84f2a1fda9f6e7ee6c03c8ddf3edd720ce8419fa872e3e96f2dbfc75f7a4
SSDEEP

24576:spM5863IGfTAVpalBNUfMxVVtes12FxwojKr98YGeGG9i:spQLYkTYp6BNUkxVVChjHZQs

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Signatures

Detect Vidar Stealer 19 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/1432-1-0x00000000040D0000-0x00000000041E0000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-8-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-10-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-11-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-24-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-32-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-33-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-43-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-44-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-52-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-53-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-54-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-70-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-71-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-82-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-83-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-84-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1012-87-0x0000000000400000-0x0000000000648000-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
Executes dropped EXE 1 IoCs

Processes:

kat468E.tmp

pid process

1012 kat468E.tmp
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
1012	kat468E.tmp

Suspicious use of SetThreadContext 1 IoCs

Processes:

7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe

description	pid	process	target process
PID 1432 set thread context of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

kat468E.tmp

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat468E.tmp
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

668 timeout.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	kat468E.tmp

pid	process
668	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

kat468E.tmp

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4	kat468E.tmp
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 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	kat468E.tmp

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

kat468E.tmp

pid process

1012 kat468E.tmp
1012 kat468E.tmp
1012 kat468E.tmp
1012 kat468E.tmp

pid	process
1012	kat468E.tmp
1012	kat468E.tmp
1012	kat468E.tmp
1012	kat468E.tmp

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exekat468E.tmpcmd.exe

description	pid	process	target process
PID 1432 wrote to memory of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp
PID 1432 wrote to memory of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp
PID 1432 wrote to memory of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp
PID 1432 wrote to memory of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp
PID 1432 wrote to memory of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp
PID 1432 wrote to memory of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp
PID 1432 wrote to memory of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp
PID 1432 wrote to memory of 1012	1432	7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe	kat468E.tmp
PID 1012 wrote to memory of 2728	1012	kat468E.tmp	cmd.exe
PID 1012 wrote to memory of 2728	1012	kat468E.tmp	cmd.exe
PID 1012 wrote to memory of 2728	1012	kat468E.tmp	cmd.exe
PID 2728 wrote to memory of 668	2728	cmd.exe	timeout.exe
PID 2728 wrote to memory of 668	2728	cmd.exe	timeout.exe
PID 2728 wrote to memory of 668	2728	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe
"C:\Users\Admin\AppData\Local\Temp\7d562c5cc0de055ad41b5fc647ecc367b6e253ef4996b72a4cf6a91efefd6281.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1432

C:\Users\Admin\AppData\Local\Temp\kat468E.tmp
C:\Users\Admin\AppData\Local\Temp\kat468E.tmp
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat468E.tmp" & rd /s /q "C:\ProgramData\BFHDAEHDAKEC" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
4⤵
- Delays execution with timeout.exe
PID:668

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\kat468E.tmp
Filesize
861KB

MD5
66064dbdb70a5eb15ebf3bf65aba254b

SHA1
0284fd320f99f62aca800fb1251eff4c31ec4ed7

SHA256
6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795

SHA512
b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

Download Submit
memory/1012-33-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-4-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-43-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-8-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-10-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-35-0x000000001B890000-0x000000001BAEF000-memory.dmp

Filesize
2.4MB

Download
memory/1012-11-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-24-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-44-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-84-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-87-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-83-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-32-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-52-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-53-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-54-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-70-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-71-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1012-82-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/1432-1-0x00000000040D0000-0x00000000041E0000-memory.dmp

Filesize
1.1MB

Download
memory/1432-0-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/1432-9-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads