vidar | ab11ac55f732d41c1516c4c825634ea2889633eff79b0111c1d43c475f872321

General

Target

537067C176C5E36AE81938A38045B520.exe
Size

617KB
MD5

537067c176c5e36ae81938a38045b520
SHA1

e0666c4acb6df096639dd73e1de2bc6c83f6bb92
SHA256

2bb01e5626c002242375d09553c52c5c009cb98525170cacca10c3cb72b779d0
SHA512

1b1a22bec953d1dd50e7317ee97b7df62fff5c1bf2509d8ba3a0ac0b454d30265d3be0959c052634a8895207e9f466efce1d713123dccbddc6b232df7bbd9ac7
SSDEEP

12288:xCh5qnPSABfUFgwm1EM9ThAtQ9s+yg5suVcU2bU7fFbJcslr7v:xCSnP9JU6jEAtPYgsEFGU7dtxr7v

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
behavioral1/memory/3180-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3180-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3180-22-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3180-23-0x0000000000400000-0x0000000000676000-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-1-5-21-3463531801-1484541064-3495084620-1000\Control Panel\International\Geo\Nation	537067C176C5E36AE81938A38045B520.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 1584 set thread context of 3180	1584	537067C176C5E36AE81938A38045B520.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
3424	1584	WerFault.exe	80

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	537067C176C5E36AE81938A38045B520.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	537067C176C5E36AE81938A38045B520.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.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	537067C176C5E36AE81938A38045B520.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	537067C176C5E36AE81938A38045B520.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3780	timeout.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
3180	537067C176C5E36AE81938A38045B520.exe
3180	537067C176C5E36AE81938A38045B520.exe
3180	537067C176C5E36AE81938A38045B520.exe
3180	537067C176C5E36AE81938A38045B520.exe
3180	537067C176C5E36AE81938A38045B520.exe
3180	537067C176C5E36AE81938A38045B520.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	taskmgr.exe
Token: SeSystemProfilePrivilege	1976	taskmgr.exe
Token: SeCreateGlobalPrivilege	1976	taskmgr.exe

Suspicious use of FindShellTrayWindow 30 IoCs

pid	Process
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe

Suspicious use of SendNotifyMessage 30 IoCs

pid	Process
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe
1976	taskmgr.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 236	1584	537067C176C5E36AE81938A38045B520.exe	82
PID 1584 wrote to memory of 236	1584	537067C176C5E36AE81938A38045B520.exe	82
PID 1584 wrote to memory of 236	1584	537067C176C5E36AE81938A38045B520.exe	82
PID 1584 wrote to memory of 3704	1584	537067C176C5E36AE81938A38045B520.exe	83
PID 1584 wrote to memory of 3704	1584	537067C176C5E36AE81938A38045B520.exe	83
PID 1584 wrote to memory of 3704	1584	537067C176C5E36AE81938A38045B520.exe	83
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 1584 wrote to memory of 3180	1584	537067C176C5E36AE81938A38045B520.exe	84
PID 3180 wrote to memory of 4320	3180	537067C176C5E36AE81938A38045B520.exe	89
PID 3180 wrote to memory of 4320	3180	537067C176C5E36AE81938A38045B520.exe	89
PID 3180 wrote to memory of 4320	3180	537067C176C5E36AE81938A38045B520.exe	89
PID 4320 wrote to memory of 3780	4320	cmd.exe	91
PID 4320 wrote to memory of 3780	4320	cmd.exe	91
PID 4320 wrote to memory of 3780	4320	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.exe
"C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1584
- C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.exe
  "C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.exe"
  2⤵
  PID:236
- C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.exe
  "C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.exe"
  2⤵
  PID:3704
- C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.exe
  "C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.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:3180
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\537067C176C5E36AE81938A38045B520.exe" & rd /s /q "C:\ProgramData\AAFIJKKEHJDH" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4320
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:3780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 316
  2⤵
  - Program crash
  PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1584 -ip 1584
1⤵
PID:332

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1976

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

Peripheral Device Discovery

Query Registry

System Information Discovery

4

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/1584-0-0x00000000003A2000-0x00000000003A3000-memory.dmp

Filesize
4KB

Download
memory/1976-33-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-34-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-30-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-31-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-32-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-26-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-24-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-36-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-25-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/1976-35-0x000001B2C44D0000-0x000001B2C44D1000-memory.dmp

Filesize
4KB

Download
memory/3180-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3180-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3180-23-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3180-22-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3180-6-0x0000000000310000-0x00000000003AC000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads