djvu | 111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f

General

Target

111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
Size

806KB
MD5

463782cef05afafd58637569802f0838
SHA1

2fe710c16176e529aa12e7f705a1fec52cb1de7d
SHA256

111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f
SHA512

946d9508e98039c7269ee88ca7920f7d8a30aab5189557c2df061874f81ecf36a2c7dbbe9e71b4daa3d7d2efe5e4332b87fdd955c27c13fd57952ab27e792860
SSDEEP

12288:KiN7U9BqdqykCd7k5WvTcSMLhGgbrKiZNP+LNciQVOUYHtGqCBQAXYB:cBqzjI5W7cSMPRoRciQV/fqCBTYB

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.bgjs
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: 0863PsawqS

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1312-2-0x0000000005C60000-0x0000000005D7B000-memory.dmp	family_djvu
behavioral1/memory/1516-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1516-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1516-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1516-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1516-13-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-15-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-16-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-18-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4584-29-0x0000000000400000-0x0000000000537000-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:

111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4972 icacls.exe

pid	process
4972	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\6136d866-9da0-4a54-bdc7-ffa4c33bcec5\\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe\" --AutoStart"	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

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

1 api.2ip.ua
8 api.2ip.ua

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

description	pid	process	target process
PID 1312 set thread context of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 set thread context of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.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:

111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

pid	process
1516	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
1516	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
4584	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
4584	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

C:\Users\Admin\AppData\Local\Temp\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
"C:\Users\Admin\AppData\Local\Temp\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1312

C:\Users\Admin\AppData\Local\Temp\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
"C:\Users\Admin\AppData\Local\Temp\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\6136d866-9da0-4a54-bdc7-ffa4c33bcec5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4972

C:\Users\Admin\AppData\Local\Temp\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
"C:\Users\Admin\AppData\Local\Temp\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3264

C:\Users\Admin\AppData\Local\Temp\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
"C:\Users\Admin\AppData\Local\Temp\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:4584

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

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Downloads

C:\Users\Admin\AppData\Local\6136d866-9da0-4a54-bdc7-ffa4c33bcec5\111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
Filesize
806KB

MD5
463782cef05afafd58637569802f0838

SHA1
2fe710c16176e529aa12e7f705a1fec52cb1de7d

SHA256
111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f

SHA512
946d9508e98039c7269ee88ca7920f7d8a30aab5189557c2df061874f81ecf36a2c7dbbe9e71b4daa3d7d2efe5e4332b87fdd955c27c13fd57952ab27e792860

Download Submit
memory/1312-1-0x00000000040C0000-0x000000000415E000-memory.dmp

Filesize
632KB

Download
memory/1312-2-0x0000000005C60000-0x0000000005D7B000-memory.dmp

Filesize
1.1MB

Download
memory/1516-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1516-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1516-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1516-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1516-13-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-15-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-16-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-18-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-20-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4584-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

description	pid	process	target process
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1312 wrote to memory of 1516	1312	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1516 wrote to memory of 4972	1516	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	icacls.exe
PID 1516 wrote to memory of 4972	1516	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	icacls.exe
PID 1516 wrote to memory of 4972	1516	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	icacls.exe
PID 1516 wrote to memory of 3264	1516	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1516 wrote to memory of 3264	1516	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 1516 wrote to memory of 3264	1516	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe
PID 3264 wrote to memory of 4584	3264	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe	111cee1f1487b2c42ccd697f912c5902f7de7554b1d05cb0f7c9be73c662e94f.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads