vidar | 4e0453e61609c04bce1071d29f21abc82800e11261e284ca3250fd8655239456

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 06:30

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General

Target

pjthjsdjgjrtavv.exe
Size

144KB
MD5

1d0fb45faa5b7a8b398703596d67c967
SHA1

b326e3801b56b5ed86ae66249e6ea64cdefa1997
SHA256

4e0453e61609c04bce1071d29f21abc82800e11261e284ca3250fd8655239456
SHA512

9fa97e8611fd837f0756a505b8615076187d77fcf8aa5ff802944879e9d4d19ebccaea394b0c4327748c73da6bfca8acba6cdf12c5992056a798f28c064e0a63
SSDEEP

3072:lOBRrLUOPed9xOi756fJnhsRSK2C22/m4ESZo3XRYzXIkQfydzdEpx:A/rLVPW0nsP2Xy+TJfUzW7

Score

10^/10

vidar credential_access discovery spyware stealer

Malware Config

Signatures

Detect Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/4036-0-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7
behavioral2/memory/4036-7-0x0000000000400000-0x0000000000639000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	pjthjsdjgjrtavv.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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pjthjsdjgjrtavv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	pjthjsdjgjrtavv.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	pjthjsdjgjrtavv.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3896	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4036	pjthjsdjgjrtavv.exe
4036	pjthjsdjgjrtavv.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 4420	4036	pjthjsdjgjrtavv.exe	86
PID 4036 wrote to memory of 4420	4036	pjthjsdjgjrtavv.exe	86
PID 4036 wrote to memory of 4420	4036	pjthjsdjgjrtavv.exe	86
PID 4420 wrote to memory of 3896	4420	cmd.exe	88
PID 4420 wrote to memory of 3896	4420	cmd.exe	88
PID 4420 wrote to memory of 3896	4420	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\pjthjsdjgjrtavv.exe
"C:\Users\Admin\AppData\Local\Temp\pjthjsdjgjrtavv.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\pjthjsdjgjrtavv.exe" & rd /s /q "C:\ProgramData\00HDTR9ZC2VA" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4420
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/4036-0-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download
memory/4036-7-0x0000000000400000-0x0000000000639000-memory.dmp

Filesize
2.2MB

Download