Analysis
-
max time kernel
80s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06/12/2022, 13:21
Behavioral task
behavioral1
Sample
0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe
Resource
win10v2004-20220812-en
General
-
Target
0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe
-
Size
1.3MB
-
MD5
5c1817c4b51dcde5a9cae3cda54e50c4
-
SHA1
80dcd24115ff9e5f7a0c136401372ad3396d470c
-
SHA256
0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246
-
SHA512
e6919d4c9c4f517eb515168feae9a84b87211e43c4da7b7200684d25c5a76d4af4d8d6e1aeb3ce4b2753bea29fd1f1c235cc8af0ea4a859b51d0bd78c2edbe26
-
SSDEEP
24576:FRZmKckCiocZsvXDB978O0FZX8piprmmWw5EUpM4KPUbb6C5DzG7w:FRZgViocYl9776prlhFKPkbl9G7
Malware Config
Signatures
-
Drops file in Drivers directory 2 IoCs
description ioc Process File created C:\WINDOWS\system32\drivers\etc\hosts 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe File opened for modification C:\WINDOWS\system32\drivers\etc\hosts 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe -
resource yara_rule behavioral2/memory/4388-132-0x0000000000400000-0x0000000000718000-memory.dmp vmprotect behavioral2/memory/4388-133-0x0000000000400000-0x0000000000718000-memory.dmp vmprotect behavioral2/memory/4388-135-0x0000000000400000-0x0000000000718000-memory.dmp vmprotect behavioral2/memory/4388-136-0x0000000000400000-0x0000000000718000-memory.dmp vmprotect behavioral2/memory/4388-137-0x0000000000400000-0x0000000000718000-memory.dmp vmprotect behavioral2/memory/4388-138-0x0000000000400000-0x0000000000718000-memory.dmp vmprotect -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\Pastv3roq.sys 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\IESettingSync 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe -
Modifies Internet Explorer start page 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.wz123.com/?nuli" 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4388 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe 4388 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe -
Suspicious behavior: LoadsDriver 2 IoCs
pid Process 644 Process not Found 644 Process not Found -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4388 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe 4388 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe 4388 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe 4388 0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe"C:\Users\Admin\AppData\Local\Temp\0f277a92d03fd8f1847287e0e893b2805dd808f1096b302fd5a1736af8c27246.exe"1⤵
- Drops file in Drivers directory
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4388