vidar | eddd58f52fc1ead5886f788892412d23a0fa5fc4c76af2548ea7321c2f6c4d9c

Resubmissions

20/02/2023, 15:21

230220-sraw9aah2w 10

16/02/2023, 15:11

230216-skqn5ahg4v 10

15/02/2023, 15:45

230215-s63ktacd2y 10

Analysis

max time kernel
128s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16/02/2023, 15:11

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Report Analysis Logs

General

Target

Loader.exe
Size

445KB
MD5

9e30553b003e6c9099ce52ea18d0a6f9
SHA1

b4de671b594ad90439a43cf4de49606ee6798298
SHA256

eddd58f52fc1ead5886f788892412d23a0fa5fc4c76af2548ea7321c2f6c4d9c
SHA512

5788097d8a613e78644e8a94123b06d93c708216fe92c2865017933bd3b4ec507107c68ec31c7d58c595032b570f8c4e8f56db9d51927a3764fb699d89ff70c3
SSDEEP

6144:EAYL50f+dgN8BMStlQfAk/X0DfU/8utzIPrdWspxFoZDf820w7/vFip6y/OMB:EAM9e82fZPMfq3tzWdvoZL9/fMB

Score

10^/10

vidar 408 spyware stealer

Malware Config

Extracted

Family

vidar

Version

2.5

Botnet

408

Attributes

profile_id
408

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
2140	AppLaunch.exe
2140	AppLaunch.exe

Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1912 set thread context of 2140	1912	Loader.exe	81

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2364	332	WerFault.exe	10

Checks SCSI registry key(s) 3 TTPs 6 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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags	dwm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\HardwareID	dwm.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID	dwm.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	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AppLaunch.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	dwm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwm.exe

Modifies data under HKEY_USERS 18 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\1e\52C64B7E	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft	dwm.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	dwm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2140	AppLaunch.exe
2140	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeCreateGlobalPrivilege	4468	dwm.exe
Token: SeChangeNotifyPrivilege	4468	dwm.exe
Token: 33	4468	dwm.exe
Token: SeIncBasePriorityPrivilege	4468	dwm.exe
Token: SeShutdownPrivilege	4468	dwm.exe
Token: SeCreatePagefilePrivilege	4468	dwm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2140	AppLaunch.exe
2140	AppLaunch.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 2140	1912	Loader.exe	81
PID 1912 wrote to memory of 2140	1912	Loader.exe	81
PID 1912 wrote to memory of 2140	1912	Loader.exe	81
PID 1912 wrote to memory of 2140	1912	Loader.exe	81
PID 1912 wrote to memory of 2140	1912	Loader.exe	81

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2140

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 456 -p 332 -ip 332
1⤵
PID:648

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 332 -s 3964
1⤵
- Program crash
PID:2364

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
- Checks SCSI registry key(s)
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:4468

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2140-133-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2140-139-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/2140-140-0x00000000515F0000-0x00000000516E3000-memory.dmp

Filesize
972KB

Download