djvu | 011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1

General

Target

011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
Size

752KB
MD5

5afefe6b708cf35cd31afc5692f77ea5
SHA1

d75bcfd7796eeb2de11fbc23f670b0581ce7f87b
SHA256

011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1
SHA512

c010d4b149b08448964c9f82233f6a0f46e5a880437e28c59389b73f6e0100b59dae2f30080413db9e936257e2e0d7d5c7456f38eb0ab6a53264c9d3d34e0cf5
SSDEEP

12288:Op3Irybds7//O3XFLTDzoLd4P/3vS261ZltSr8DqkD73evVWdpvHcB9:ORMOAGNvzoLT26PlbX73Godpv8

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test2/get.php

Attributes

extension
.bgzq
offline_id
Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1
payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: support@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0864PsawqS

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4496-2-0x0000000004AF0000-0x0000000004C0B000-memory.dmp	family_djvu
behavioral1/memory/688-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/688-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/688-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/688-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/688-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4172-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3136 icacls.exe

pid	process
3136	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c6d3e12e-e4e9-42c7-8a1e-7fc66a1e9e37\\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe\" --AutoStart"	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 api.2ip.ua
6 api.2ip.ua
33 api.2ip.ua

flow	ioc
5	api.2ip.ua
6	api.2ip.ua
33	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

Processes:

011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

description	pid	process	target process
PID 4496 set thread context of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 set thread context of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

pid	process
688	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
688	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
4172	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
4172	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

C:\Users\Admin\AppData\Local\Temp\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
"C:\Users\Admin\AppData\Local\Temp\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4496

C:\Users\Admin\AppData\Local\Temp\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
"C:\Users\Admin\AppData\Local\Temp\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:688

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\c6d3e12e-e4e9-42c7-8a1e-7fc66a1e9e37" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:3136

C:\Users\Admin\AppData\Local\Temp\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
"C:\Users\Admin\AppData\Local\Temp\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4740

C:\Users\Admin\AppData\Local\Temp\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
"C:\Users\Admin\AppData\Local\Temp\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:4172

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

File and Directory Permissions Modification

1

T1222

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
1KB

MD5
4ec20346a7b5dd75cfde7b15df208cf0

SHA1
517b437fc42dfc6e2f0d055dc678a0c080d47a0b

SHA256
4e3ee32076baf8538d9b9473169229647c419aa92f4bef71fb12fb714ac4e77d

SHA512
dff871a49c68eebb57eb5d21c197c5f47adc2444edde5f9da25c35a91519747cdb07aae26adfebcf0e48409f45ed8e040ec1c777910942aa7c18268bc6bcd7d1

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
410B

MD5
efec14e3141c2f75b3d9ece04145f167

SHA1
b5976865220674471232ecbb395ba11a851081c5

SHA256
75ee0bb300372e69dc044ac6a2812cf7197ca1f8d23c6308db8ec0c778db6553

SHA512
97b5e71e4d3b1820c19cccebe745e39f1748b25290626d3c989842bc3b56b8bd91a8eb9aa36d9fd7be8992eecd83976a218f0b963fe98f13b98516c1c3fd9ae4

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
392B

MD5
6cef81bc7625d94d4555892bd0bbbbf4

SHA1
6e12c2c3f3e9e6d154ab301af917ef12b06c0484

SHA256
3e5cadf109afc6403bc9f937daf715f8ad7c2c6ade76abe118e2f39df1b9875b

SHA512
758624e4cd6a6057a5ced3205c6ce0804d7f2ba236ae6e423c8e5cbb0bb941125e3bf45df59b6f134296b52ce8d796e0e298a62b1c9a57d29d234307e69bc257

Download Submit
C:\Users\Admin\AppData\Local\c6d3e12e-e4e9-42c7-8a1e-7fc66a1e9e37\011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
Filesize
752KB

MD5
5afefe6b708cf35cd31afc5692f77ea5

SHA1
d75bcfd7796eeb2de11fbc23f670b0581ce7f87b

SHA256
011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1

SHA512
c010d4b149b08448964c9f82233f6a0f46e5a880437e28c59389b73f6e0100b59dae2f30080413db9e936257e2e0d7d5c7456f38eb0ab6a53264c9d3d34e0cf5

Download Submit
memory/688-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/688-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/688-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/688-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/688-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4172-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4496-2-0x0000000004AF0000-0x0000000004C0B000-memory.dmp

Filesize
1.1MB

Download
memory/4496-1-0x0000000003150000-0x00000000031E4000-memory.dmp

Filesize
592KB

Download
memory/4740-21-0x0000000003080000-0x0000000003119000-memory.dmp

Filesize
612KB

Download

description	pid	process	target process
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4496 wrote to memory of 688	4496	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 688 wrote to memory of 3136	688	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	icacls.exe
PID 688 wrote to memory of 3136	688	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	icacls.exe
PID 688 wrote to memory of 3136	688	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	icacls.exe
PID 688 wrote to memory of 4740	688	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 688 wrote to memory of 4740	688	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 688 wrote to memory of 4740	688	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe
PID 4740 wrote to memory of 4172	4740	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe	011e89b3301db87f75de8248ffd67eb9ff7d1fe53d21851cadf17159c4ff12a1.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads