Analysis
- max time kernel
147s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
29/03/2024, 11:07
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240221-en
6 signatures
150 seconds
General
- Target file.exe
- Size 238KB
- Sample240329-m7zbwsfd6s
- SHA256 f714adc256ed7b0d48a50c9b10d0db1d6285541801e720569c86fceeba072697
- MD5 0ce3dc374e49433d7e15d02c015e0ee3
- SHA1 71882bb02d1fa7b4a0f824afdcc1cd53bdb85ba1
- SHA512 a68b25bd8170205d491f3409393757eda6ec4c2b7f31e985b57a8d5fe9e876264167d2228087c6645ebd6dee6522386f9e39e631e6a7f06783f401432df730fa
- SSDEEP 6144:hABBPmUqO791Ou5dscGTGnbpZfcATrKTJJzM5E:hABBOa90uzVWGlRmTJX
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
vidar
C2
-
https://steamcommunity.com/profiles/76561199658817715
-
https://t.me/sa9ok
Attributes
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Signatures
- Detect Vidar Stealer 3 IoCs
resource yara_rule behavioral2/memory/4320-4-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4320-7-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 behavioral2/memory/4320-9-0x0000000000400000-0x0000000000648000-memory.dmp family_vidar_v7 - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1184 set thread context of 4320 1184 file.exe 87 - Program crash 2 IoCs
pid pid_target Process procid_target 4420 1184 WerFault.exe 83 3292 4320 WerFault.exe 87 - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87 PID 1184 wrote to memory of 4320 1184 file.exe 87
Processes
-
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:1184 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵PID:4320
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4320 -s 22563⤵
- Program crash
PID:3292
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 8682⤵
- Program crash
PID:4420
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1184 -ip 11841⤵PID:2220
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4320 -ip 43201⤵PID:4888