djvu | 61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
31-05-2024 11:32

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General

Target

61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
Size

984KB
MD5

5404f4f782793f1b9315071be3161f51
SHA1

427eb928d575b93910aea36d555d6bd22447d18d
SHA256

61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d
SHA512

c80ad303821e03dc473b5bb63e1ea8dc7c2040a94a70b0c487a0595ebcb2ce4b2265a0f8b19786fc0f70bfced768f17fc14f514cd6438c5c693a99b1eb6fc7df
SSDEEP

24576:Rsjoha6b/QeQ++2BunAW/thOlYSOSrBzR0pDNithz:ejL6boaKAW/mlY2tz

Score

10^/10

djvu ransomware

Malware Config

Extracted

Family

djvu

http://spaceris.com/test1/get.php

Attributes

extension
.zoqw
offline_id
7hl6KB3alcoZ6n4DhS2rApCezkIMzShntAiXWMt1
payload_url
http://uaery.top/dl/build2.exe
http://spaceris.com/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-N3pXlaPXFm 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: 0629JOsie

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2204-10-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2204-11-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2204-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

8 api.2ip.ua
9 api.2ip.ua

flow	ioc
8	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 1 IoCs

Processes:

61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe

description	pid	process	target process
PID 644 set thread context of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe

pid process

2204 61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
2204 61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe

pid	process
2204	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
2204	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe

description	pid	process	target process
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
PID 644 wrote to memory of 2204	644	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe	61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe

C:\Users\Admin\AppData\Local\Temp\61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
"C:\Users\Admin\AppData\Local\Temp\61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\Temp\61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe
"C:\Users\Admin\AppData\Local\Temp\61e8e94b307999400212a1e2a33dba5f9dcc273692fcd7121b70f002eae5e45d.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2204

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/644-6-0x0000000000400000-0x0000000002C5E000-memory.dmp

Filesize
40.4MB

Download
memory/644-0-0x0000000000400000-0x0000000002C5E000-memory.dmp

Filesize
40.4MB

Download
memory/644-1-0x0000000000400000-0x0000000002C5E000-memory.dmp

Filesize
40.4MB

Download
memory/644-4-0x0000000000400000-0x0000000002C5E000-memory.dmp

Filesize
40.4MB

Download
memory/644-5-0x0000000000401000-0x0000000000419000-memory.dmp

Filesize
96KB

Download
memory/644-3-0x0000000000400000-0x0000000002C5E000-memory.dmp

Filesize
40.4MB

Download
memory/644-2-0x0000000002DC0000-0x0000000002DC1000-memory.dmp

Filesize
4KB

Download
memory/644-8-0x0000000000400000-0x0000000002C5E000-memory.dmp

Filesize
40.4MB

Download
memory/644-13-0x0000000000401000-0x0000000000419000-memory.dmp

Filesize
96KB

Download
memory/644-12-0x0000000000400000-0x0000000002C5E000-memory.dmp

Filesize
40.4MB

Download
memory/644-9-0x0000000000400000-0x0000000002C5E000-memory.dmp

Filesize
40.4MB

Download
memory/2204-10-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2204-11-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2204-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download