vidar | 7b949ec5f73dff9e83d9c5e8995e025940f1ed6d3b07c27923d9321ca9a42ead

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 02:59

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General

Target

patch.exe
Size

588KB
MD5

2afbb4562f46e981beae497935002d3c
SHA1

8ede8d5c5551a8b6237a3c04f77b6f374e7c3539
SHA256

7b949ec5f73dff9e83d9c5e8995e025940f1ed6d3b07c27923d9321ca9a42ead
SHA512

112cc4a88078bfbadc86fe9e193b09307fe076be20b2080af968c8aea2d91ba691fe418444ea22b6c7e49dab9db4bb6b121f40e1aabef4219a4d62ab6fccab54
SSDEEP

12288:Fvly0YiZfGHMwK7aAbMH3150pYEqstB166O0qyFAGLHZD0a+:Fdy0YhM8CMLyYitBC0qyFNZT

Score

10^/10

vidar discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/files/0x000a000000023390-673.dat	family_vidar_v7
behavioral2/memory/4168-676-0x0000000000D10000-0x0000000000F67000-memory.dmp	family_vidar_v7
behavioral2/memory/4168-694-0x0000000000D10000-0x0000000000F67000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
4168	WindowsServices.exe

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
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2468	2512	patch.exe	87

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4860	4168	WerFault.exe	89
2504	2468	WerFault.exe	87

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	patch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsServices.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	WindowsServices.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WindowsServices.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4168	WindowsServices.exe
4168	WindowsServices.exe
4168	WindowsServices.exe
4168	WindowsServices.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2512	patch.exe
Token: SeDebugPrivilege	2468	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2468	2512	patch.exe	87
PID 2512 wrote to memory of 2468	2512	patch.exe	87
PID 2512 wrote to memory of 2468	2512	patch.exe	87
PID 2512 wrote to memory of 2468	2512	patch.exe	87
PID 2512 wrote to memory of 2468	2512	patch.exe	87
PID 2512 wrote to memory of 2468	2512	patch.exe	87
PID 2512 wrote to memory of 2468	2512	patch.exe	87
PID 2512 wrote to memory of 2468	2512	patch.exe	87
PID 2468 wrote to memory of 4168	2468	RegAsm.exe	89
PID 2468 wrote to memory of 4168	2468	RegAsm.exe	89
PID 2468 wrote to memory of 4168	2468	RegAsm.exe	89

C:\Users\Admin\AppData\Local\Temp\patch.exe
"C:\Users\Admin\AppData\Local\Temp\patch.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Users\Admin\AppData\Roaming\WindowsServices\WindowsServices.exe
    "C:\Users\Admin\AppData\Roaming\WindowsServices\WindowsServices.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    PID:4168
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 2176
      4⤵
      Program crash
      PID:4860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2468 -s 2104
    3⤵
    - Program crash
    PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4168 -ip 4168
1⤵
PID:2680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2468 -ip 2468
1⤵
PID:2272

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

C:\Users\Admin\AppData\Roaming\WindowsServices\WindowsServices.exe

Filesize
264KB

MD5
c46cf092ca90dec5d9794d58bc3d60af

SHA1
ee85693b181df0518ec1404831d0d0b05c97fdaf

SHA256
e708ccdb34685d4df6d7a8959f2dc98d28f1a5bbf89120ff595613a1df7ab2d7

SHA512
acbd3ab6958eb2b78cb0884ffba5bed24249421c1db1c2093e42f69a80bffdaaaedb785b726e742a1dfbc16499724ca3f56e6027dbbace840a5eb7f8f9d68af0

Download Submit
memory/2468-665-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2468-667-0x00000000050C0000-0x000000000515C000-memory.dmp

Filesize
624KB

Download
memory/2468-666-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2468-668-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/2468-695-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/2468-692-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/2468-691-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/2512-30-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-20-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-66-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-64-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-60-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-58-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-56-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-54-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-52-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-50-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-48-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-44-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-42-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-40-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-38-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-36-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-34-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-32-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-4-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-28-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-26-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-24-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-22-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-8-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-16-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-14-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-12-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-10-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-6-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-62-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-46-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-18-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-3-0x0000000002950000-0x00000000029DF000-memory.dmp

Filesize
572KB

Download
memory/2512-655-0x0000000006400000-0x0000000006492000-memory.dmp

Filesize
584KB

Download
memory/2512-657-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2512-656-0x0000000006320000-0x0000000006342000-memory.dmp

Filesize
136KB

Download
memory/2512-658-0x0000000006490000-0x00000000067E4000-memory.dmp

Filesize
3.3MB

Download
memory/2512-659-0x0000000037060000-0x00000000370C6000-memory.dmp

Filesize
408KB

Download
memory/2512-660-0x00000000374F0000-0x0000000037582000-memory.dmp

Filesize
584KB

Download
memory/2512-661-0x0000000037B40000-0x00000000380E4000-memory.dmp

Filesize
5.6MB

Download
memory/2512-664-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/2512-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/2512-2-0x0000000002950000-0x00000000029E6000-memory.dmp

Filesize
600KB

Download
memory/2512-1-0x0000000000670000-0x0000000000708000-memory.dmp

Filesize
608KB

Download
memory/4168-694-0x0000000000D10000-0x0000000000F67000-memory.dmp

Filesize
2.3MB

Download
memory/4168-676-0x0000000000D10000-0x0000000000F67000-memory.dmp

Filesize
2.3MB

Download