djvu | 6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2

General

Target
6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe
Size 755KB
Sample220408-khkfbsage9
SHA256 6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2
MD5 bda9f5630b77699bdf3f68f2d6b4fef4
SHA1 b6f1356da4288e12bbb8232aa88e88356e2703bb
SHA512 870988794634ca407cda7ad61a9af2570015b7bcc952b8f323610eb50c0ea6f06df945842b37fb20b1d2e3a6226c30542666f6caacafe62bd61447968c9c35c5
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

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

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/3084-131-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3084-132-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2492-134-0x00000000022F0000-0x000000000240B000-memory.dmp	family_djvu
behavioral2/memory/3084-135-0x0000000000400000-0x0000000000537000-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 2492 set thread context of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3464	3084	WerFault.exe	79

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79
PID 2492 wrote to memory of 3084	2492	6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe	79

C:\Users\Admin\AppData\Local\Temp\6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe
"C:\Users\Admin\AppData\Local\Temp\6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe
  "C:\Users\Admin\AppData\Local\Temp\6bf0186743a209899c300fdf0c35c2aa44738473ec8e26b0eddb457dfe23a5a2.exe"
  2⤵
  PID:3084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 536
    3⤵
    - Program crash
    PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3084 -ip 3084
1⤵
PID:3572

Network

MITRE ATT&CK Matrix

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Downloads

memory/2492-133-0x0000000000AB8000-0x0000000000B49000-memory.dmp

Download

memory/2492-134-0x00000000022F0000-0x000000000240B000-memory.dmp

Download

memory/3084-131-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3084-132-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3084-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads