vidar | 33b834d43e55548d511dd46076c7ba48db7ffe4a50accc66bd43fa98d6793e41

Analysis

max time kernel
64s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26/10/2022, 07:21

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General

Target
5231dfbaac717e7a59e66a27d154a1e6.exe
Size 488KB
Sample221026-h6nrjsfac3
SHA256 33b834d43e55548d511dd46076c7ba48db7ffe4a50accc66bd43fa98d6793e41
MD5 5231dfbaac717e7a59e66a27d154a1e6
SHA1 b4be97cf7c593f4951e21452ddd96a76421d68a8
SHA512 53b2502b88703bec360592e2c20e0fb2296dfcabf30b10b337b1f533224ed2c4e3315c3c3683e0bd9b8c688517f8c63ec5e759b15c67fc1ded4c27ed9410b00f
SSDEEP 6144:b4opRNUOh7sDqwnjKfWPVF3UmMAO1ryq1NSJAzOSCADL4lrYDy+4DXYlkFzJx52Q:FNUOh71MvMRNSapwiyJXJxtd
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 1707 spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.2

Botnet

1707

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

Attributes

profile_id
1707

Signatures

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

Loads dropped DLL 3 IoCs

pid	Process
2356	RegSvcs.exe
2356	RegSvcs.exe
2356	RegSvcs.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 3628 set thread context of 2356	3628	5231dfbaac717e7a59e66a27d154a1e6.exe	81

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegSvcs.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4776	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2356	RegSvcs.exe
2356	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 2356	3628	5231dfbaac717e7a59e66a27d154a1e6.exe	81
PID 3628 wrote to memory of 2356	3628	5231dfbaac717e7a59e66a27d154a1e6.exe	81
PID 3628 wrote to memory of 2356	3628	5231dfbaac717e7a59e66a27d154a1e6.exe	81
PID 3628 wrote to memory of 2356	3628	5231dfbaac717e7a59e66a27d154a1e6.exe	81
PID 3628 wrote to memory of 2356	3628	5231dfbaac717e7a59e66a27d154a1e6.exe	81
PID 2356 wrote to memory of 3456	2356	RegSvcs.exe	82
PID 2356 wrote to memory of 3456	2356	RegSvcs.exe	82
PID 2356 wrote to memory of 3456	2356	RegSvcs.exe	82
PID 3456 wrote to memory of 4776	3456	cmd.exe	84
PID 3456 wrote to memory of 4776	3456	cmd.exe	84
PID 3456 wrote to memory of 4776	3456	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\5231dfbaac717e7a59e66a27d154a1e6.exe
"C:\Users\Admin\AppData\Local\Temp\5231dfbaac717e7a59e66a27d154a1e6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3628
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3456
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:4776

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

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

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/2356-133-0x0000000000630000-0x000000000068E000-memory.dmp

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memory/2356-139-0x0000000000630000-0x000000000068E000-memory.dmp

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