Analysis
- max time kernel
117s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
06/04/2022, 12:09
Static task
static1
Behavioral task
behavioral1
Sample
2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe
Resource
win7-20220331-en
Behavioral task
behavioral2
Sample
2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe
Resource
win10v2004-20220331-en
General
- Target 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe
- Size 769KB
- Sample220406-pbfk1sfdhm
- SHA256 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c
- MD5 49f462a896510dfc37a9ac4567b3a994
- SHA1 3a5fcb3bf24ffff6c03938621108f03ffeada0fb
- SHA512 08446bc6fa02018cd0137e59a7f1128d0326dbf242e8f3f98eac3bc109568ea96542620a9ca8e2add29b00e3b3e5a88d8ba1a85c81d36d2c81521185d9b124fa
- MD5 SHA1 SHA512
Malware Config
Extracted
-
djvu
-
http://fuyt.org/test1/get.php
-
extension
.tuid
-
offline_id
LgcOIftV0dQfFBQStVNfb8BhHy8tHRPvXwSiFwt1
-
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-FglTTmgzZT 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: 0440tOjkfd
Signatures
- Detected Djvu ransomware 4 IoCs
resource yara_rule behavioral2/memory/2204-125-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2204-126-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4392-128-0x0000000002310000-0x000000000242B000-memory.dmp family_djvu behavioral2/memory/2204-129-0x0000000000400000-0x0000000000537000-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 4392 set thread context of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 - Program crash 1 IoCs
pid pid_target Process procid_target 1116 2204 WerFault.exe 80 - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80 PID 4392 wrote to memory of 2204 4392 2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe"C:\Users\Admin\AppData\Local\Temp\2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4392 -
C:\Users\Admin\AppData\Local\Temp\2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe"C:\Users\Admin\AppData\Local\Temp\2c412f6d77eb570bb74f1c52c08fb7cfe33d14a99179a1815d6702ae076b099c.exe"2⤵PID:2204
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 5363⤵
- Program crash
PID:1116
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2204 -ip 22041⤵PID:1916