vidar | 334fb1c3def58d304673a7be8b63399d481bc45a8c33567003c09784efd16ebd

General

Target
file.exe
Size 1.3MB
Sample221024-mpdbpsgbek
SHA256 334fb1c3def58d304673a7be8b63399d481bc45a8c33567003c09784efd16ebd
MD5 34bdb9a0cc7686903eec49ef2cc1e7cf
SHA1 7d4acfd37ce4a498c85a2b7b8ff6d70a4aec557a
SHA512 04847f2fd28c4561020d3f339788c1e0e2e7ae90093a8d22068c3e2af21e0db375711b1774570858c5575d241d1b902f022e0b118a53a5f64b0805c016ac3317
SSDEEP 24576:pUHVoXYRYznhf1Mx0/YB1yR1SndVJEh/up3W22IJUCZw2bjy:OHVycnZt3WaJfy
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 937 spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.2

Botnet

937

C2

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

Attributes

profile_id
937

Signatures

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

Loads dropped DLL 3 IoCs

pid	Process
99876	vbc.exe
99876	vbc.exe
99876	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 1684 set thread context of 99876	1684	file.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
99924	1684	WerFault.exe	26

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
100228	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
99876	vbc.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 99876	1684	file.exe	28
PID 1684 wrote to memory of 99876	1684	file.exe	28
PID 1684 wrote to memory of 99876	1684	file.exe	28
PID 1684 wrote to memory of 99876	1684	file.exe	28
PID 1684 wrote to memory of 99876	1684	file.exe	28
PID 1684 wrote to memory of 99876	1684	file.exe	28
PID 1684 wrote to memory of 99924	1684	file.exe	29
PID 1684 wrote to memory of 99924	1684	file.exe	29
PID 1684 wrote to memory of 99924	1684	file.exe	29
PID 1684 wrote to memory of 99924	1684	file.exe	29
PID 99876 wrote to memory of 100196	99876	vbc.exe	32
PID 99876 wrote to memory of 100196	99876	vbc.exe	32
PID 99876 wrote to memory of 100196	99876	vbc.exe	32
PID 99876 wrote to memory of 100196	99876	vbc.exe	32
PID 100196 wrote to memory of 100228	100196	cmd.exe	34
PID 100196 wrote to memory of 100228	100196	cmd.exe	34
PID 100196 wrote to memory of 100228	100196	cmd.exe	34
PID 100196 wrote to memory of 100228	100196	cmd.exe	34

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:1684
- 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:99876
- - 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:100196
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:100228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 98544
  2⤵
  - Program crash
  PID:99924

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

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Downloads

mozglue.dll

Path \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 \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 \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/99876-54-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/99876-56-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/99876-63-0x0000000000400000-0x000000000045E000-memory.dmp

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memory/99876-65-0x0000000076401000-0x0000000076403000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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