djvu | 886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61

General

Target
886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe
Size 806KB
Sample220325-kr78raaahm
SHA256 886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61
MD5 28b0650de3a88a97990114eaf6fa9cd4
SHA1 3c01b21fa5f9ffce76ee4d5a6a520c9a0940ad1d
SHA512 9ed8f0e923f1aaa4df57ad0ff54c7f25799265cf78b3980cc12b35e59762038b35c5a4354f0fb19ff73300d7bfa862e53fd7112f102ece6c58fe5e15d2e90525
MD5 SHA1 SHA512

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.uigd
offline_id
1WQ4dDSY8AVihbECj8VLUDhHWpSCoV5it0bIDjt1
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-kilPVod4em 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: 0423Jsfkjn

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 4 IoCs

resource	yara_rule
behavioral2/memory/3056-131-0x0000000002270000-0x000000000238B000-memory.dmp	family_djvu
behavioral2/memory/3576-133-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3576-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3576-135-0x0000000000400000-0x0000000000537000-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 3056 set thread context of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	3576	WerFault.exe	79

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79
PID 3056 wrote to memory of 3576	3056	886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe	79

C:\Users\Admin\AppData\Local\Temp\886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe
"C:\Users\Admin\AppData\Local\Temp\886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe
  "C:\Users\Admin\AppData\Local\Temp\886a9594355a0fce24f001f602bc6cae7bf2df2deeef18698cfe773e3c926f61.exe"
  2⤵
  PID:3576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 536
    3⤵
    - Program crash
    PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3576 -ip 3576
1⤵
PID:3404

Network

MITRE ATT&CK Matrix

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Downloads

memory/3056-130-0x00000000021D0000-0x0000000002261000-memory.dmp

Download

memory/3056-131-0x0000000002270000-0x000000000238B000-memory.dmp

Download

memory/3576-133-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3576-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3576-135-0x0000000000400000-0x0000000000537000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads