vidar | 1295c004fa7b1d67823bc14238a8eaa3a630f9622db9ebafc9ee5ad5baebb01e

Analysis

max time kernel
134s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2024, 09:49

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General

Target
file.exe
Size 258KB
Sample240322-ltb4rsag93
SHA256 1295c004fa7b1d67823bc14238a8eaa3a630f9622db9ebafc9ee5ad5baebb01e
MD5 c89a197409a78f57b2f0422c8e36c675
SHA1 4e85ef4ebc636d1cb8f64e9971747bb6a58acb58
SHA512 4917876cc3bfa2d95fcfb81a964f2a12763dd3a2a35b4999bed821c7fe0b52073f6b46bd6beeeac9e79091d5c1b26a673703e5db26d4193252300bea6948d87f
SSDEEP 6144:fQHMAH1d9dzrCLN4ZgP8MiXpTx+xnRYOh9nUhJGwekDg:i/VdznCLqZgPKTx+9fUhJGbeg
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar 4cf8d799a3641f9821e54be56c960e28 stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

4cf8d799a3641f9821e54be56c960e28

https://steamcommunity.com/profiles/76561199654112719
https://t.me/r2d0s

Attributes

profile_id_v2
4cf8d799a3641f9821e54be56c960e28
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/508-4-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral2/memory/508-7-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral2/memory/508-12-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 508	1612	file.exe	92

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4248	508	WerFault.exe	92

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92
PID 1612 wrote to memory of 508	1612	file.exe	92

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:1612
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 508 -s 2336
    3⤵
    - Program crash
    PID:4248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 508 -ip 508
1⤵
PID:4176

Network

MITRE ATT&CK Matrix

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Downloads

memory/508-4-0x0000000000400000-0x0000000000644000-memory.dmp

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memory/508-7-0x0000000000400000-0x0000000000644000-memory.dmp

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memory/508-12-0x0000000000400000-0x0000000000644000-memory.dmp

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memory/1612-0-0x0000000000C30000-0x0000000000C76000-memory.dmp

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memory/1612-1-0x0000000074850000-0x0000000075000000-memory.dmp

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memory/1612-10-0x00000000030C0000-0x00000000050C0000-memory.dmp

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memory/1612-11-0x0000000074850000-0x0000000075000000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads