djvu | ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1

General

Target
ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe
Size 777KB
Sample220325-kten8adee9
SHA256 ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1
MD5 895b5fd7e2cb2adc2b5c68766d3ac04e
SHA1 9eab6a051f32345f44d2b577dc6c8e88d2e5387a
SHA512 039e765903f36a7853fe13fcbaec3ea7b2a3350c4089e8efd844c9321c3ee84ad576741b809c39ef63c6c96a1a9078043df6e3d84910905cf94b430d8461ff84
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/1316-131-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1316-132-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1316-134-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3344-135-0x0000000002330000-0x000000000244B000-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 3344 set thread context of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2392	1316	WerFault.exe	80

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80
PID 3344 wrote to memory of 1316	3344	ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe	80

C:\Users\Admin\AppData\Local\Temp\ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe
"C:\Users\Admin\AppData\Local\Temp\ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Local\Temp\ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe
  "C:\Users\Admin\AppData\Local\Temp\ba53f24d6448dfc4b1a4a9b73d7d24ecc31a05a4e26ee051ba5ada4312f319d1.exe"
  2⤵
  PID:1316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 536
    3⤵
    - Program crash
    PID:2392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1316 -ip 1316
1⤵
PID:2220

Network

MITRE ATT&CK Matrix

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Downloads

memory/1316-131-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1316-132-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/1316-134-0x0000000000400000-0x0000000000537000-memory.dmp

Download

memory/3344-133-0x0000000002294000-0x0000000002326000-memory.dmp

Download

memory/3344-135-0x0000000002330000-0x000000000244B000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads