vidar | a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7

General

Target

a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe
Size

2.8MB
MD5

584f061ba8fe5d0eddcf3b68146763e2
SHA1

b60461bd014a2105398bcdd18a47c0befce48dc0
SHA256

a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7
SHA512

f451e66f76543d9621b33099ecca31f6e201bb1bdf6009596316f7b32a5fa3bf8f7408d4b2e2d8bd4f2eae93b3b9295c97ae3fcaef7314b8c39ac4c641c7212b
SSDEEP

49152:78hmk3ryQy9TN/bYhM1Z/ZAkzdzYFwLeUeuXl3Q:78hmk3ryQolryFwLeJT

Score

10^/10

vidar 1375 spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.1

Botnet

1375

C2

https://t.me/tg_privatetalk

https://nerdculture.de/@yixehi33

http://195.201.252.190:80

Attributes

profile_id
1375

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
98368	vbc.exe
98368	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
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 1336 set thread context of 98368	1336	a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe	28

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	vbc.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vbc.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
98888	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
98368	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1336 wrote to memory of 98368	1336	a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe	28
PID 1336 wrote to memory of 98368	1336	a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe	28
PID 1336 wrote to memory of 98368	1336	a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe	28
PID 1336 wrote to memory of 98368	1336	a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe	28
PID 1336 wrote to memory of 98368	1336	a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe	28
PID 1336 wrote to memory of 98368	1336	a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe	28
PID 98368 wrote to memory of 98852	98368	vbc.exe	31
PID 98368 wrote to memory of 98852	98368	vbc.exe	31
PID 98368 wrote to memory of 98852	98368	vbc.exe	31
PID 98368 wrote to memory of 98852	98368	vbc.exe	31
PID 98852 wrote to memory of 98888	98852	cmd.exe	33
PID 98852 wrote to memory of 98888	98852	cmd.exe	33
PID 98852 wrote to memory of 98888	98852	cmd.exe	33
PID 98852 wrote to memory of 98888	98852	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe
"C:\Users\Admin\AppData\Local\Temp\a6bfac7006b2abd59450fbb255f7012a542095cc7367db0e0100c33e0a62c9e7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1336
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:98368
- - 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\vbc.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:98852
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:98888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/98368-56-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/98368-54-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/98368-63-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/98368-64-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/98368-65-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing