djvu | c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72

General

Target
c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe
Size 816KB
Sample220325-kten8aabbm
SHA256 c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72
MD5 788d14efdf52e5170c976cc9e92a3176
SHA1 e8c0dc753a5a09343fe93d6e5fdb34d4e1b14c62
SHA512 cd58ea5f8b69b29de058830b82444b010ebef9cbe064e8c30be272f67ffb0dbdc1448d03962434f85c388dcbe19cc12df7cfc7630eb69683058048a7375d74db
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.mmuz
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: 0428Jsfkjn

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/5108-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5108-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5108-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3316-138-0x00000000022E0000-0x00000000023FB000-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 3316 set thread context of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4028	5108	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80
PID 3316 wrote to memory of 5108	3316	c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe	80

C:\Users\Admin\AppData\Local\Temp\c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe
"C:\Users\Admin\AppData\Local\Temp\c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3316
- C:\Users\Admin\AppData\Local\Temp\c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe
  "C:\Users\Admin\AppData\Local\Temp\c1e3dbf11b5b3d434c8026bb344d5e9fd6daba717622ccfc4e07cadf051cba72.exe"
  2⤵
  PID:5108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5108 -s 536
    3⤵
    - Program crash
    PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5108 -ip 5108
1⤵
PID:5104

Network

MITRE ATT&CK Matrix

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Downloads

memory/3316-136-0x0000000002240000-0x00000000022D2000-memory.dmp

Download

memory/3316-138-0x00000000022E0000-0x00000000023FB000-memory.dmp

Download

memory/5108-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/5108-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/5108-137-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads