vidar | c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 07:47

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General

Target

3b0041dfa75c093509fd3e2e1a144532.exe
Size

3.3MB
MD5

3b0041dfa75c093509fd3e2e1a144532
SHA1

a294857985afb4a0e6ec3f2d5cb07cf2298ba94f
SHA256

c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc
SHA512

f04a084d16d3ed056537d514edb7ebb81aa96aca384b35b12ca6fb1847a1cc205a24be5c9606d3043ddb1aa691d9e187df1a4e709a315283ea2d8437c7e87b66
SSDEEP

49152:YQdYX/DGwoPPzLEfh+OuZA2lyfbSbU4SymzeSgfxMFB:YQW/JqzIND2lyf7hymzeSgqT

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 6 IoCs

stealer

resource	yara_rule
behavioral2/memory/2004-67-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-69-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-73-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-82-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-124-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/2004-150-0x0000000000400000-0x0000000000643000-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
Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2004	MSBuild.exe
2004	MSBuild.exe

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 4504 set thread context of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85

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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3b0041dfa75c093509fd3e2e1a144532.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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 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
2256	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe
2004	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4504	3b0041dfa75c093509fd3e2e1a144532.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 4504 wrote to memory of 2004	4504	3b0041dfa75c093509fd3e2e1a144532.exe	85
PID 2004 wrote to memory of 4284	2004	MSBuild.exe	98
PID 2004 wrote to memory of 4284	2004	MSBuild.exe	98
PID 2004 wrote to memory of 4284	2004	MSBuild.exe	98
PID 4284 wrote to memory of 2256	4284	cmd.exe	100
PID 4284 wrote to memory of 2256	4284	cmd.exe	100
PID 4284 wrote to memory of 2256	4284	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\3b0041dfa75c093509fd3e2e1a144532.exe
"C:\Users\Admin\AppData\Local\Temp\3b0041dfa75c093509fd3e2e1a144532.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FCFBFBFBKFID" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4284
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2256

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

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2004-67-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2004-150-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2004-124-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2004-82-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2004-73-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/2004-69-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4504-38-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-32-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-28-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-66-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-64-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-62-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-6-0x0000000005C10000-0x0000000005C2C000-memory.dmp

Filesize
112KB

Download
memory/4504-72-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4504-71-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4504-59-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-54-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-50-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-46-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-44-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-42-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-40-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/4504-36-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-34-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-30-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-26-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-24-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-22-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-20-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-18-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-16-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-14-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-12-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-10-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-8-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-60-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-56-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-52-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-49-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-7-0x0000000005C10000-0x0000000005C25000-memory.dmp

Filesize
84KB

Download
memory/4504-5-0x0000000005EE0000-0x0000000005FD2000-memory.dmp

Filesize
968KB

Download
memory/4504-4-0x0000000005D80000-0x0000000005ED8000-memory.dmp

Filesize
1.3MB

Download
memory/4504-3-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/4504-2-0x0000000005CE0000-0x0000000005D7C000-memory.dmp

Filesize
624KB

Download
memory/4504-1-0x0000000000F50000-0x000000000129C000-memory.dmp

Filesize
3.3MB

Download