djvu | fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5

General

Target
fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe
Size 775KB
Sample220324-jsrfysebc2
SHA256 fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5
MD5 99970bb3c25f5876a7ae637b45cd9852
SHA1 0e98c05ca75a4536fff7832dfc88482fc90f2cb7
SHA512 d91120aa4976a93c90c7857cc57f4117c22d9390c1040216b90391592e71e6ef26f440613fb6f09db2df56715551e9ebc2964cb378c454ae355715f829c5cc7e
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
behavioral2/memory/1352-131-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3680-134-0x0000000002300000-0x000000000241B000-memory.dmp	family_djvu
behavioral2/memory/1352-133-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1352-135-0x0000000000400000-0x0000000000537000-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 3680 set thread context of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2664	1352	WerFault.exe	81

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81
PID 3680 wrote to memory of 1352	3680	fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe	81

C:\Users\Admin\AppData\Local\Temp\fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe
"C:\Users\Admin\AppData\Local\Temp\fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Users\Admin\AppData\Local\Temp\fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe
  "C:\Users\Admin\AppData\Local\Temp\fca203f38621ebabe5dca56eabdab5f6a7abe87cf585fa9d0f8a6bf8aa1915e5.exe"
  2⤵
  PID:1352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 536
    3⤵
    - Program crash
    PID:2664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1352 -ip 1352
1⤵
PID:1944

Network

MITRE ATT&CK Matrix

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Downloads

memory/1352-131-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1352-133-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1352-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3680-132-0x0000000002269000-0x00000000022FB000-memory.dmp

Download

memory/3680-134-0x0000000002300000-0x000000000241B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads