vidar | b8a5ef9ea9fa588907a197db55c743559460190aa58b227db10d6be75d8bfe39

Analysis

max time kernel
98s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/08/2024, 09:10

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General

Target
file.exe
Size 11.1MB
Sample240809-k5ehlasgld
SHA256 b8a5ef9ea9fa588907a197db55c743559460190aa58b227db10d6be75d8bfe39
MD5 45c0d8bedd6bff145cbe1c3064f2cf56
SHA1 5a68f160bde8531f0b38ed8f9c6b19b7e615a905
SHA512 3963adecb4ee013b54c926328fe0d6576d291dcae0ead3f675c38ddb51b2747e0469179fa4903e3237fe2beea7079f67da377f3787b3bd4ddba8694102af0703
SSDEEP 196608:uq5Uz55kDba3q4c1X2usHfdV5bvMzeO/FmwuAf0+OTZ5l3:ur55kPa3qEbHfdVRvI50wnVOj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199751190313
https://t.me/pech0nk

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/1744-72-0x0000000000400000-0x0000000000B44000-memory.dmp	family_vidar_v7
behavioral2/memory/1744-69-0x0000000000400000-0x0000000000B44000-memory.dmp	family_vidar_v7
behavioral2/memory/1744-67-0x0000000000400000-0x0000000000B44000-memory.dmp	family_vidar_v7
behavioral2/memory/1744-78-0x0000000000400000-0x0000000000B44000-memory.dmp	family_vidar_v7
behavioral2/memory/1744-149-0x0000000000400000-0x0000000000B44000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1176 set thread context of 1744	1176	file.exe	87

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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	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
716	timeout.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1176	file.exe
1176	file.exe
1744	MSBuild.exe
1744	MSBuild.exe
1744	MSBuild.exe
1744	MSBuild.exe
1744	MSBuild.exe
1744	MSBuild.exe
1744	MSBuild.exe
1744	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1176	file.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 2380	1176	file.exe	86
PID 1176 wrote to memory of 2380	1176	file.exe	86
PID 1176 wrote to memory of 2380	1176	file.exe	86
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1176 wrote to memory of 1744	1176	file.exe	87
PID 1744 wrote to memory of 2972	1744	MSBuild.exe	89
PID 1744 wrote to memory of 2972	1744	MSBuild.exe	89
PID 1744 wrote to memory of 2972	1744	MSBuild.exe	89
PID 2972 wrote to memory of 716	2972	cmd.exe	91
PID 2972 wrote to memory of 716	2972	cmd.exe	91
PID 2972 wrote to memory of 716	2972	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2380
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HDGIJJDGCBKF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2972
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

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/1176-48-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-20-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-2-0x0000000074F10000-0x00000000756C0000-memory.dmp

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memory/1176-3-0x0000000007420000-0x0000000007A9A000-memory.dmp

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memory/1176-4-0x0000000008CF0000-0x0000000009324000-memory.dmp

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memory/1176-5-0x00000000093C0000-0x000000000945C000-memory.dmp

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memory/1176-6-0x0000000006140000-0x000000000615C000-memory.dmp

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memory/1176-30-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-66-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-64-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-71-0x0000000074F10000-0x00000000756C0000-memory.dmp

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memory/1176-73-0x0000000074F10000-0x00000000756C0000-memory.dmp

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memory/1176-7-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-44-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-8-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-46-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-61-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-58-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-56-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-54-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-53-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-50-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-1-0x0000000000C90000-0x00000000017B4000-memory.dmp

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memory/1176-62-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-28-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-42-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-40-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-38-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-36-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-34-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-32-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-27-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-24-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-22-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

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memory/1176-18-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-16-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-14-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-12-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1176-10-0x0000000006140000-0x0000000006155000-memory.dmp

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memory/1744-69-0x0000000000400000-0x0000000000B44000-memory.dmp

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memory/1744-67-0x0000000000400000-0x0000000000B44000-memory.dmp

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memory/1744-72-0x0000000000400000-0x0000000000B44000-memory.dmp

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memory/1744-78-0x0000000000400000-0x0000000000B44000-memory.dmp

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memory/1744-149-0x0000000000400000-0x0000000000B44000-memory.dmp

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