vidar | 4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f

General

Target

4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
Size

617KB
MD5

178d57475336d7517ba9e64e1a1572d8
SHA1

7fa3ab8110208cf35d64c538465294d2317574bf
SHA256

4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f
SHA512

9b06d963761bb1c9b75f0264146344969e4a3a276cc79c98740a983b19bdf21627033c6c8767516e68b383b191ac69faec48dd3ae195233ebed52351cc4059e4
SSDEEP

12288:Ha4rav8qwBHrEeNe1RWID2RvUBb7wUjiqyMsSPR9s15cgYg0JcFlr7v:Ha7v8FZrM1kI+UbjigjPR9sPrMir7v

Score

10^/10

vidar 0b3bd69430b7d827b107ba2ed809207d credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

0b3bd69430b7d827b107ba2ed809207d

C2

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

Detect Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral2/memory/3368-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3368-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3368-20-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3368-21-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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 3576 set thread context of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1032	3576	WerFault.exe	83

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	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.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	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2400	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3576 wrote to memory of 3368	3576	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	84
PID 3368 wrote to memory of 5024	3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	102
PID 3368 wrote to memory of 5024	3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	102
PID 3368 wrote to memory of 5024	3368	4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe	102
PID 5024 wrote to memory of 2400	5024	cmd.exe	104
PID 5024 wrote to memory of 2400	5024	cmd.exe	104
PID 5024 wrote to memory of 2400	5024	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
"C:\Users\Admin\AppData\Local\Temp\4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Users\Admin\AppData\Local\Temp\4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe
  "C:\Users\Admin\AppData\Local\Temp\4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3368
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\4f0e02ac8cb73a7e621e56031ff8bded7b3647f22bbd01b93a203b5b30cba84f.exe" & rd /s /q "C:\ProgramData\CAFBGHIDBGHJ" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5024
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 252
  2⤵
  - Program crash
  PID:1032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3576 -ip 3576
1⤵
PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

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

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Downloads

memory/3368-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3368-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3368-4-0x0000000000EB0000-0x0000000000F4C000-memory.dmp

Filesize
624KB

Download
memory/3368-20-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3368-21-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3576-0-0x0000000000F42000-0x0000000000F43000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads