vidar | 97eb9202d98aa1d2ff12cbc779f715c8262b1c2281128b7ba26df7d1ed4930cb

General

Target

SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe
Size

283KB
MD5

3745160eac67b0511940bad6f7811903
SHA1

287cac8a4cb9a0f873681ae3a5795b94929a9dcc
SHA256

97eb9202d98aa1d2ff12cbc779f715c8262b1c2281128b7ba26df7d1ed4930cb
SHA512

6e0dca82e029ec58fbb1e66128d2dd4c139d55330eb1e142e4f4cbfa64986e23c609f73dfd364aeb2e460c6351b4fb28197b1c493a48e4244ea7f1f015847056
SSDEEP

6144:m6sqWNwaUUHgjHB7cY98ojNiWRz0Qx8aAkeqqokVsozY9ulJz2TJXMEO:mNPg9njNVHx8wero3un0J8EO

Score

10^/10

vidar credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

C2

https://t.me/fneogr

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 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/1564-7-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/1564-5-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/1564-3-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/1564-23-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/1564-24-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/1564-41-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/1564-42-0x0000000000400000-0x0000000000657000-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
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 4936 set thread context of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1260	4936	WerFault.exe	81

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	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1564	RegAsm.exe
1564	RegAsm.exe
1564	RegAsm.exe
1564	RegAsm.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83
PID 4936 wrote to memory of 1564	4936	SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe	83

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Lazy.587384.1674.426.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4936
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1564
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4936 -s 880
  2⤵
  - Program crash
  PID:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4936 -ip 4936
1⤵
PID:1412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1564-7-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/1564-5-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/1564-3-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/1564-23-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/1564-24-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/1564-26-0x000000001FCB0000-0x000000001FF0F000-memory.dmp

Filesize
2.4MB

Download
memory/1564-41-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/1564-42-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/4936-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/4936-1-0x0000000000E90000-0x0000000000EDA000-memory.dmp

Filesize
296KB

Download
memory/4936-10-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/4936-11-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download

Analysis

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