vidar | c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc

Analysis

max time kernel
131s
max time network
147s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
10/08/2024, 16:59

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General

Target

c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.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 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/3716-67-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-71-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-72-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-75-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3716-78-0x0000000000400000-0x0000000000643000-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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3556 set thread context of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 2 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	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe
3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe
3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe
3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe
3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe
3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe
3716	MSBuild.exe
3716	MSBuild.exe
3716	MSBuild.exe
3716	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 2868	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	83
PID 3556 wrote to memory of 2868	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	83
PID 3556 wrote to memory of 2868	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	83
PID 3556 wrote to memory of 4280	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	84
PID 3556 wrote to memory of 4280	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	84
PID 3556 wrote to memory of 4280	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	84
PID 3556 wrote to memory of 4372	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	85
PID 3556 wrote to memory of 4372	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	85
PID 3556 wrote to memory of 4372	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	85
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86
PID 3556 wrote to memory of 3716	3556	c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe	86

C:\Users\Admin\AppData\Local\Temp\c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe
"C:\Users\Admin\AppData\Local\Temp\c18daf8d23214417f5c2165c850ffe0e83b657d9ba045dde50757cfd5b5f4dbc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2868
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:4280
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:4372
- 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
  PID:3716

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

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3556-46-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-16-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-2-0x0000000005050000-0x00000000050EC000-memory.dmp

Filesize
624KB

Download
memory/3556-3-0x0000000074720000-0x0000000074ED1000-memory.dmp

Filesize
7.7MB

Download
memory/3556-4-0x00000000050F0000-0x0000000005248000-memory.dmp

Filesize
1.3MB

Download
memory/3556-5-0x0000000005250000-0x0000000005342000-memory.dmp

Filesize
968KB

Download
memory/3556-6-0x0000000004FC0000-0x0000000004FDC000-memory.dmp

Filesize
112KB

Download
memory/3556-32-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-66-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-65-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-7-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-68-0x0000000074720000-0x0000000074ED1000-memory.dmp

Filesize
7.7MB

Download
memory/3556-8-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-42-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-73-0x0000000074720000-0x0000000074ED1000-memory.dmp

Filesize
7.7MB

Download
memory/3556-44-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-58-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-56-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-54-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-52-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-50-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-48-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-1-0x00000000001D0000-0x000000000051C000-memory.dmp

Filesize
3.3MB

Download
memory/3556-62-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-24-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-40-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-38-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-36-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-34-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-26-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-22-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-20-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-60-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-18-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/3556-14-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-12-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-31-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-28-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3556-10-0x0000000004FC0000-0x0000000004FD5000-memory.dmp

Filesize
84KB

Download
memory/3716-72-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3716-71-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3716-67-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3716-75-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3716-78-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download