djvu | da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99

General

Target
da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe
Size 775KB
Sample220325-kten8aabbq
SHA256 da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99
MD5 29140720d259de5ac73f2338891f0de1
SHA1 5711171217346bc74eff76e87152079521db19ec
SHA512 396dd39e0ba386d8a8aacc217e1009369425062f086901d10ed20a9f7da3cfd67c566ff05753ea9925007b86bf0c8d18d631e16f5bf90634f32b8259356e61ab
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes

extension
.kkia
offline_id
dYUDKE4rrBmSPsf8srHMsyP40jle9uyxDDCfdxt1
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-NdDG3HIUZp 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: 0425Jsfkjn

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral1/memory/1096-56-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1096-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1968-59-0x0000000001D90000-0x0000000001EAB000-memory.dmp	family_djvu
behavioral1/memory/1096-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1968 set thread context of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27

Program crash 1 IoCs

pid	pid_target	Process	procid_target
576	1096	WerFault.exe	27

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1968 wrote to memory of 1096	1968	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	27
PID 1096 wrote to memory of 576	1096	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	28
PID 1096 wrote to memory of 576	1096	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	28
PID 1096 wrote to memory of 576	1096	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	28
PID 1096 wrote to memory of 576	1096	da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe	28

C:\Users\Admin\AppData\Local\Temp\da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe
"C:\Users\Admin\AppData\Local\Temp\da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Users\Admin\AppData\Local\Temp\da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe
  "C:\Users\Admin\AppData\Local\Temp\da0e4fadc9227bec63e5bfd562eefe9682c2131e4dfb8ba2a1a0eca7c699bb99.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1096
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 192
    3⤵
    - Program crash
    PID:576

Network

MITRE ATT&CK Matrix

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Downloads

memory/1096-55-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1096-60-0x0000000076BC1000-0x0000000076BC3000-memory.dmp

Download

memory/1096-61-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1968-54-0x0000000001CF0000-0x0000000001D81000-memory.dmp

Download

memory/1968-57-0x0000000001CF0000-0x0000000001D81000-memory.dmp

Download

memory/1968-59-0x0000000001D90000-0x0000000001EAB000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads