vidar | 569ea2229b464fe4cbffdb473cff09912f91fb593a16be9003f38dc8c083a62a

Analysis

max time kernel
105s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2022, 17:55

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General

Target
file.exe
Size 503KB
Sample221021-whfmxshecp
SHA256 569ea2229b464fe4cbffdb473cff09912f91fb593a16be9003f38dc8c083a62a
MD5 0def05268b0108b6ee9cd20ee4765856
SHA1 723bacbed4e4a638a0cb7cf3402887b2854d35c3
SHA512 861fccaf17a9adc9d45ca792aebf4d560d3773e1db98e5eea32e85bd647cf500c16533ac5db6e240e42c1c57ae978f264aef62ff80bc2fdd427225c0353a906a
SSDEEP 6144:V3QZl6E8GjAK563R3MQDkH2eLnCm0AOvbOVpHwZljHHzKCj2USHs7tzoekTEACRD:V2l6E8GjAVR3JpZBOHeT2vsBZkKdh
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 670 spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.1

Botnet

https://t.me/tg_privatetalk
https://nerdculture.de/@yixehi33

Attributes

profile_id
670

Signatures

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

Loads dropped DLL 3 IoCs

pid	Process
4436	RegSvcs.exe
4436	RegSvcs.exe
4436	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 4408 set thread context of 4436	4408	file.exe	84

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
372	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4436	RegSvcs.exe
4436	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 4436	4408	file.exe	84
PID 4408 wrote to memory of 4436	4408	file.exe	84
PID 4408 wrote to memory of 4436	4408	file.exe	84
PID 4408 wrote to memory of 4436	4408	file.exe	84
PID 4408 wrote to memory of 4436	4408	file.exe	84
PID 4436 wrote to memory of 2032	4436	RegSvcs.exe	93
PID 4436 wrote to memory of 2032	4436	RegSvcs.exe	93
PID 4436 wrote to memory of 2032	4436	RegSvcs.exe	93
PID 2032 wrote to memory of 372	2032	cmd.exe	95
PID 2032 wrote to memory of 372	2032	cmd.exe	95
PID 2032 wrote to memory of 372	2032	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4408
- 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:4436
- - 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:2032
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:372

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/4408-140-0x0000000000900000-0x0000000000981000-memory.dmp

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memory/4436-133-0x00000000005B0000-0x000000000060E000-memory.dmp

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memory/4436-139-0x00000000005B0000-0x000000000060E000-memory.dmp

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