vidar | fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674

Analysis

max time kernel
139s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
18-07-2024 18:56

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General

Target

file.exe
Size

5.2MB
MD5

0891d36dd26059e8a74ada84fd9885e5
SHA1

743f9e888626f1313ef387e4fe4d16c86f092ef9
SHA256

fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674
SHA512

874bf077b0878deefae6542d48057aa4291bbb73747da90d24e7b8721c96a83768dd6a9dcc1dd4b00200185a50a4066f3cffd0c09e042863ba0396ac56297782
SSDEEP

98304:zKWiKUEpu5K2BgXs3eR6xH/KtnojpHXrD8Xs91Ae7Vfy2R1:zKWiKU+AGXuocUnojRXrD8Xs9V7ly2j

Score

10^/10

vidar 3a901b2c4dd248059af72250cf07aba7 spyware stealer

Malware Config

Extracted

Family

vidar

Version

10.5

Botnet

3a901b2c4dd248059af72250cf07aba7

https://t.me/s41l0

https://steamcommunity.com/profiles/76561199743486170

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 YaBrowser/24.6.0.0 Safari/537.36

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/4144-69-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral2/memory/4144-67-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral2/memory/4144-72-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral2/memory/4144-84-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7
behavioral2/memory/4144-135-0x0000000000400000-0x0000000000640000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2360 set thread context of 4144	2360	file.exe	87

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	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4760	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4144	MSBuild.exe
4144	MSBuild.exe
4144	MSBuild.exe
4144	MSBuild.exe
4144	MSBuild.exe
4144	MSBuild.exe
4144	MSBuild.exe
4144	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	file.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 2360 wrote to memory of 4144	2360	file.exe	87
PID 4144 wrote to memory of 4788	4144	MSBuild.exe	95
PID 4144 wrote to memory of 4788	4144	MSBuild.exe	95
PID 4144 wrote to memory of 4788	4144	MSBuild.exe	95
PID 4788 wrote to memory of 4760	4788	cmd.exe	97
PID 4788 wrote to memory of 4760	4788	cmd.exe	97
PID 4788 wrote to memory of 4760	4788	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4144
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IDAAFBGDBKJJ" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4788
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      Delays execution with timeout.exe
      PID:4760

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

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2360-48-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-4-0x0000000005EF0000-0x0000000006070000-memory.dmp

Filesize
1.5MB

Download
memory/2360-2-0x0000000005CF0000-0x0000000005D8C000-memory.dmp

Filesize
624KB

Download
memory/2360-51-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-3-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/2360-5-0x0000000005D90000-0x0000000005EBA000-memory.dmp

Filesize
1.2MB

Download
memory/2360-6-0x0000000005B90000-0x0000000005BAC000-memory.dmp

Filesize
112KB

Download
memory/2360-12-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-66-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-31-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-52-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-25-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/2360-71-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/2360-65-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-62-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-60-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-58-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-56-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-54-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-7-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-1-0x0000000000D10000-0x0000000001244000-memory.dmp

Filesize
5.2MB

Download
memory/2360-8-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-46-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-44-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-42-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-40-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-38-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-36-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-34-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-32-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-28-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-26-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-22-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-20-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-19-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-16-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-14-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/2360-10-0x0000000005B90000-0x0000000005BA5000-memory.dmp

Filesize
84KB

Download
memory/4144-72-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/4144-67-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/4144-69-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/4144-84-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download
memory/4144-135-0x0000000000400000-0x0000000000640000-memory.dmp

Filesize
2.2MB

Download