Analysis
- max time kernel
141s - max time network
174s - platform
windows10-2004_x64 - resource
win10v2004-20220310-en - submitted
25/03/2022, 08:53
Static task
static1
Behavioral task
behavioral1
Sample
de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe
Resource
win10v2004-20220310-en
General
- Target de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe
- Size 775KB
- Sample220325-kten8adef3
- SHA256 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e
- MD5 457d4b7c61776f09230220940c18641c
- SHA1 8834818416817ab3a94f11610c21306d99c9c9aa
- SHA512 b8ffb7612ae8320f2fabf49bf1585dcb9bbbe8f221f318393a38d1ec28863a5cd134d25fdc57fcd7ca870aceb120bee9ec09b534a97109d5639578b321eb4070
- MD5 SHA1 SHA512
Malware Config
Extracted
-
djvu
-
http://fuyt.org/test1/get.php
-
extension
.wdlo
-
offline_id
i0fXrUHVihm5xsI9Icg243YMPJqd748Ocimkyjt1
-
payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
-
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-0S984cQ4B3 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0430JIjdm
Signatures
- Detected Djvu ransomware 4 IoCs
resource yara_rule behavioral2/memory/4776-135-0x0000000002380000-0x000000000249B000-memory.dmp family_djvu behavioral2/memory/2312-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2312-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2312-139-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu - Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4776 set thread context of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 - Program crash 1 IoCs
pid pid_target Process procid_target 3148 2312 WerFault.exe 85 - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85 PID 4776 wrote to memory of 2312 4776 de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe"C:\Users\Admin\AppData\Local\Temp\de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Users\Admin\AppData\Local\Temp\de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe"C:\Users\Admin\AppData\Local\Temp\de1bec11380a046d35656cb592a399445a6deb5934a2892dcd5dac3d0f61c55e.exe"2⤵PID:2312
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 5363⤵
- Program crash
PID:3148
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2312 -ip 23121⤵PID:1060