vidar | b40106ff8758aafebd4a521af40467b1693537bce239bea4b07deac8ea925f93

General

Target
61a925edd99f92d6aca205cb8c68de84.exe
Size 356KB
Sample221028-hzx2msfcaq
SHA256 b40106ff8758aafebd4a521af40467b1693537bce239bea4b07deac8ea925f93
MD5 61a925edd99f92d6aca205cb8c68de84
SHA1 7d6b695ee6329a3a30731deebd5db94f849083b7
SHA512 ff89f95584b7b5e27cd652689c45f518e828abb0e60b5ffdd1bf17e75cb45b4bf86a4f1607a5b41e8cb3cfd7cb0bf2e0533dcc80cbf9b14d1ea3ad4efb350935
SSDEEP 6144:9peHwLG1jejKutaav59nMeG0SUidT6xS+wrjHncilUDFJeGgglZwj:9peHwqFeeuL9MpNUigx/EjcilKgIqj
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 1707 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.2

Botnet

1707

C2

https://t.me/slivetalks
https://c.im/@xinibin420

Attributes

profile_id
1707

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer 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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	61a925edd99f92d6aca205cb8c68de84.exe

Loads dropped DLL 3 IoCs

pid	Process
4900	61a925edd99f92d6aca205cb8c68de84.exe
4900	61a925edd99f92d6aca205cb8c68de84.exe
4900	61a925edd99f92d6aca205cb8c68de84.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1864	4900	WerFault.exe	82

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	61a925edd99f92d6aca205cb8c68de84.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	61a925edd99f92d6aca205cb8c68de84.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1860	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4900	61a925edd99f92d6aca205cb8c68de84.exe
4900	61a925edd99f92d6aca205cb8c68de84.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 3620	4900	61a925edd99f92d6aca205cb8c68de84.exe	87
PID 4900 wrote to memory of 3620	4900	61a925edd99f92d6aca205cb8c68de84.exe	87
PID 4900 wrote to memory of 3620	4900	61a925edd99f92d6aca205cb8c68de84.exe	87
PID 3620 wrote to memory of 1860	3620	cmd.exe	91
PID 3620 wrote to memory of 1860	3620	cmd.exe	91
PID 3620 wrote to memory of 1860	3620	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\61a925edd99f92d6aca205cb8c68de84.exe
"C:\Users\Admin\AppData\Local\Temp\61a925edd99f92d6aca205cb8c68de84.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\61a925edd99f92d6aca205cb8c68de84.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3620
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:1860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 1916
  2⤵
  - Program crash
  PID:1864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4900 -ip 4900
1⤵
PID:4864

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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sqlite3.dll

Path C:\ProgramData\sqlite3.dll
Size 1.1MB
SHA256 4841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260
MD5 1f44d4d3087c2b202cf9c90ee9d04b0f
SHA1 106a3ebc9e39ab6ddb3ff987efb6527c956f192d
SHA512 b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45
SSDEEP 12288:dxylSMUMifofI9ayCvcZMBiMjCodEMdo8R66tCWko5+jsbFcoYuprzpGSgGSrz:d4AMB3caSZMijBI1CWkoj5auF5gGSrz
MD5 SHA1 SHA512 SSDEEP

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memory/4900-132-0x0000000002EC7000-0x0000000002EF3000-memory.dmp

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memory/4900-133-0x00000000031F0000-0x0000000003239000-memory.dmp

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memory/4900-134-0x0000000000400000-0x0000000002C46000-memory.dmp

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memory/4900-140-0x0000000002EC7000-0x0000000002EF3000-memory.dmp

Download

memory/4900-141-0x0000000000400000-0x0000000002C46000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads