vidar | 068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8

General

Target
068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe
Size 551KB
Sample260528-fbffksg121
SHA256 068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8
MD5 f88b6f06d7a664e19a4c031fabbbc2bc
SHA1 4494588676ff87771fc57f6189d7aa203c1e1ba4
SHA512 e6dc7c6a9a1a7ec3accdf810f458d31a6a07de2beb1cee013d4cc92ac218b9c2379c26c40cca5670aebe05775d91bb9b7295f72600675f3419b8304e5f28cde7
SSDEEP 12288:ODzrXQcjZvvjRRsHm3XWGWalQ6H/a1I8MahUyxficbI+wpn8UHIksP:ODXdZPsmDQ0abxfXEh2Xl
TLSH
T186C4F15575C18032D573163209F4DAB56E3EFC714AB28A9F6B940BBE4F30680DB3276A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

1f399ee63a36e4a45a4026e75038dd9a credential_access defense_evasion discovery vidar stealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

1f399ee63a36e4a45a4026e75038dd9a

C2

http://proxy.johnmccrea.com/
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed

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/3868-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3868-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3868-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3868-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3868-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3868-9-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3868-10-0x0000000000400000-0x0000000000676000-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 3252 set thread context of 3868	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2984	3252	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	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.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
3444	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3868	MSBuild.exe
3868	MSBuild.exe
3868	MSBuild.exe
3868	MSBuild.exe
3868	MSBuild.exe
3868	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 936	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	80
PID 3252 wrote to memory of 3996	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	81
PID 3252 wrote to memory of 3868	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	82
PID 3252 wrote to memory of 3868	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	82
PID 3252 wrote to memory of 3868	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	82
PID 3252 wrote to memory of 3868	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	82
PID 3252 wrote to memory of 3868	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	82
PID 3252 wrote to memory of 3868	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	82
PID 3252 wrote to memory of 3868	3252	068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe	82
PID 3868 wrote to memory of 2212	3868	MSBuild.exe	87
PID 2212 wrote to memory of 3444	2212	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe
"C:\Users\Admin\AppData\Local\Temp\068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3252
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:936
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:3996
- 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:3868
- - 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\FCFBAKJDBKJJ" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2212
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3252 -s 268
  2⤵
  - Program crash
  PID:2984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3252 -ip 3252
1⤵
PID:2488

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/3252-0-0x0000000000238000-0x000000000023A000-memory.dmp

Download

memory/3868-1-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/3868-3-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/3868-6-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/3868-7-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/3868-8-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/3868-9-0x0000000000400000-0x0000000000676000-memory.dmp

Download

memory/3868-10-0x0000000000400000-0x0000000000676000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads