vidar | 78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82

General

Target

78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
Size

6.2MB
MD5

e4c9c86aca77c94baa1c956539fb0670
SHA1

e7334b384cdb948961893cb8767a8b6f4dcf0c1d
SHA256

78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82
SHA512

6b7ef779f42867960f4c486c43ee464b90a0f5fef2bcfed6dbaa28d68da0be77c49496889ec28d007c666452aad0a6ba25aef28d99aaa0292d2b5326f995eec5
SSDEEP

196608:Go7RLyPaLtaoJai5RgtqHx7JYk12vp7aqUV:T71DEo35RgtqHRk7GV

Score

10^/10

vidar be248f550d2c12b9451f666b78745d64 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

10.8

Botnet

be248f550d2c12b9451f666b78745d64

C2

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/3960-2-0x00000000019D0000-0x0000000002112000-memory.dmp	family_vidar_v7
behavioral2/memory/3960-7-0x00000000019D0000-0x0000000002112000-memory.dmp	family_vidar_v7
behavioral2/memory/3960-17-0x00000000019D0000-0x0000000002112000-memory.dmp	family_vidar_v7
behavioral2/memory/3960-18-0x00000000019D0000-0x0000000002112000-memory.dmp	family_vidar_v7
behavioral2/memory/3960-37-0x00000000019D0000-0x0000000002112000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1772	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 3260	3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe	104
PID 3960 wrote to memory of 3260	3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe	104
PID 3960 wrote to memory of 3260	3960	78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe	104
PID 3260 wrote to memory of 1772	3260	cmd.exe	106
PID 3260 wrote to memory of 1772	3260	cmd.exe	106
PID 3260 wrote to memory of 1772	3260	cmd.exe	106

C:\Users\Admin\AppData\Local\Temp\78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe
"C:\Users\Admin\AppData\Local\Temp\78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.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:3960
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\78883f74e5500ebef095527139d59efe999ce3235b2f49bad95016ca1eb6ba82.exe" & rd /s /q "C:\ProgramData\BFBFBFIIJDAK" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3260
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3960-2-0x00000000019D0000-0x0000000002112000-memory.dmp

Filesize
7.3MB

Download
memory/3960-7-0x00000000019D0000-0x0000000002112000-memory.dmp

Filesize
7.3MB

Download
memory/3960-17-0x00000000019D0000-0x0000000002112000-memory.dmp

Filesize
7.3MB

Download
memory/3960-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3960-18-0x00000000019D0000-0x0000000002112000-memory.dmp

Filesize
7.3MB

Download
memory/3960-37-0x00000000019D0000-0x0000000002112000-memory.dmp

Filesize
7.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads