vidar | 0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87

General

Target
0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe
Size 598KB
Sample260528-d19dvaex7q
SHA256 0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87
MD5 062240f907bf9b20680ed17e27d54199
SHA1 2194bd84d7b0974dba98771e6129588c75ff10ab
SHA512 ff4ab62c45156745680cd8bcc4e48d204376ee470ffb2ae62cf6f7a43ff9b9b3978257ac6537499cc73d1bb4d641ac14ecf76ea851d606e78558c3f615ec55ca
SSDEEP 12288:JUqvMSDFMqAI/mhe5g0pmHsyJzcD8z1CBU1IXaYsnViMrEjYYd64fLETEO:JU8HDF9QYKsgcAmU1QaYsnViCEEY8+mt
TLSH
T1F4D4F16175C08032D9B32A3246E0DB799A7DF9704F629DCF27D80BBF4F30681A62565B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

8ecc9c7eaebfdf2a8cc0586d7419d6ea credential_access defense_evasion discovery vidar stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

8ecc9c7eaebfdf2a8cc0586d7419d6ea

C2

https://t.me/maslengdsa
https://steamcommunity.com/profiles/76561199786602107
https://t.me/lpnjoke

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Family: Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Detect Vidar Stealer 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/2932-2-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2932-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2932-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2932-15-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2932-16-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2932-17-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2932-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4944 set thread context of 2932	4944	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4404	4944	WerFault.exe	79

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	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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

defense_evasion

pid	Process
5248	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2932	MSBuild.exe
2932	MSBuild.exe
2932	MSBuild.exe
2932	MSBuild.exe
2932	MSBuild.exe
2932	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 2932	4944	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe	80
PID 4944 wrote to memory of 2932	4944	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe	80
PID 4944 wrote to memory of 2932	4944	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe	80
PID 4944 wrote to memory of 2932	4944	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe	80
PID 4944 wrote to memory of 2932	4944	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe	80
PID 4944 wrote to memory of 2932	4944	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe	80
PID 4944 wrote to memory of 2932	4944	0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe	80
PID 2932 wrote to memory of 5816	2932	MSBuild.exe	85
PID 5816 wrote to memory of 5248	5816	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe
"C:\Users\Admin\AppData\Local\Temp\0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4944
- 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:2932
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" & rd /s /q "C:\ProgramData\AEGHJKJKKJDH" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5816
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:5248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 284
  2⤵
  - Program crash
  PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4944 -ip 4944
1⤵
PID:1448

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2932-2-0x0000000000400000-0x0000000000676000-memory.dmp

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memory/2932-3-0x0000000000400000-0x0000000000676000-memory.dmp

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memory/2932-6-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/2932-15-0x0000000000400000-0x0000000000676000-memory.dmp

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memory/2932-16-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/2932-17-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/2932-18-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/4944-0-0x0000000000C8F000-0x0000000000C91000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads