vidar | 7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2024, 01:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe
Size 327KB
Sample240418-bylhwsfc93
SHA256 7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434
MD5 b0192dfad5381f844af4c3af42d9eeb6
SHA1 5c31358537aca2ee1bcf759f0580b60a1eb977c8
SHA512 a6f08297744929c727e1dce302e189aaf4ace1553af396f2cbb3cc8eea1876cb9ccd18d226d036638a042255aa0cfc94cec0b1801a69f36b6463a127cbe8b927
SSDEEP 6144:xSK+aNVSVLZ/ywJ5aOiaQiNXnVdLporfmjhax3aE4pX:xSK+pLwwAipVdWcAx3t4pX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199673019888
https://t.me/irfail

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/3204-0-0x0000000000CB0000-0x0000000000D03000-memory.dmp	family_vidar_v7
behavioral2/memory/2976-1-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/3204-2-0x0000000000CB0000-0x0000000000D03000-memory.dmp	family_vidar_v7
behavioral2/memory/2976-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2976-6-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

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

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 5 IoCs

resource	yara_rule
behavioral2/memory/3204-0-0x0000000000CB0000-0x0000000000D03000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/2976-1-0x0000000000400000-0x0000000000648000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/3204-2-0x0000000000CB0000-0x0000000000D03000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/2976-4-0x0000000000400000-0x0000000000648000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/2976-6-0x0000000000400000-0x0000000000648000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3204 set thread context of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3484	2976	WerFault.exe	88

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88
PID 3204 wrote to memory of 2976	3204	7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe	88

C:\Users\Admin\AppData\Local\Temp\7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe
"C:\Users\Admin\AppData\Local\Temp\7f9f67d56a0a49554bb85641a21554a478fbdce19ac853e3447fdbffd1dc5434.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2976
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 2108
    3⤵
    - Program crash
    PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2976 -ip 2976
1⤵
PID:2872

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2976-1-0x0000000000400000-0x0000000000648000-memory.dmp

Download

memory/2976-4-0x0000000000400000-0x0000000000648000-memory.dmp

Download

memory/2976-6-0x0000000000400000-0x0000000000648000-memory.dmp

Download

memory/3204-0-0x0000000000CB0000-0x0000000000D03000-memory.dmp

Download

memory/3204-2-0x0000000000CB0000-0x0000000000D03000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads