stealc | 7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f

Analysis

max time kernel
90s
max time network
92s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
24-05-2024 14:34

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General

Target

7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe
Size

3.6MB
MD5

3ccf2ae7c700765b7baee5fcc754d3ed
SHA1

e4171e502eef538896e0a1b28ac08beb360e9bfe
SHA256

7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f
SHA512

ed7e85b09d72761e99b4c57abc7f2648fecff7d6d6bdb59479be8f942078c1113b36a232889c25e0740eba7c4ec4247f1e5f58c7747a97be85bad91f66f9043b
SSDEEP

98304:e6hmT+WPOBzN3FjxhQwA5hjjHNiicU+s3C76L/:e6h9IOBznjgwA5hjjHGN6z

Score

10^/10

stealc vidar discovery spyware stealer

Malware Config

Signatures

Detect Vidar Stealer 1 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/2732-2-0x0000000005330000-0x0000000005368000-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
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 local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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

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:

7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4876 timeout.exe

pid	process
4876	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe

pid	process
2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe
2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe
2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe
2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe
2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe
2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.execmd.exe

description	pid	process	target process
PID 2732 wrote to memory of 1012	2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe	cmd.exe
PID 2732 wrote to memory of 1012	2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe	cmd.exe
PID 2732 wrote to memory of 1012	2732	7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe	cmd.exe
PID 1012 wrote to memory of 4876	1012	cmd.exe	timeout.exe
PID 1012 wrote to memory of 4876	1012	cmd.exe	timeout.exe
PID 1012 wrote to memory of 4876	1012	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe
"C:\Users\Admin\AppData\Local\Temp\7fc3ea566a6d5bc8e00e83a0cf96f49372612b600986543a0646c8578a2f782f.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2732

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JEHIJDGIEBKK" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\timeout.exe
timeout /t 10
3⤵
- Delays execution with timeout.exe
PID:4876

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

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Downloads

memory/2732-0-0x0000000005330000-0x0000000005368000-memory.dmp

Filesize
224KB

Download
memory/2732-2-0x0000000005330000-0x0000000005368000-memory.dmp

Filesize
224KB

Download
memory/2732-10-0x000000000E1D0000-0x000000000E42F000-memory.dmp

Filesize
2.4MB

Download