djvu | 0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697

General

Target

0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
Size

797KB
MD5

d34dec7221934dd339a9eaad387207cf
SHA1

3c1f4fc0b754dde547930c02870f64ee4b096640
SHA256

0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697
SHA512

cd689f7fa24d663768d5c9d9f359138c80b6b4566f489926ed915ec7a727eab84986e0622d70e3231efc7d1bbc0613b474fe84846739dd527cfe16cc03a8513b
SSDEEP

24576:HdqNYXcfIJ5EBZ4gn3g8d93khZgjnCvZFJ:9CYMf3BSg3g09dnWFJ

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.vepi
offline_id
EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1
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/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0871PsawqS

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2280-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2280-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2100-2-0x0000000003D80000-0x0000000003E9B000-memory.dmp	family_djvu
behavioral1/memory/2280-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2280-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2280-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/5020-39-0x0000000000400000-0x0000000000537000-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:

0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

3980 icacls.exe

pid	process
3980	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\736cb85a-2367-4f1b-b75f-04bb7e3a2b31\\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe\" --AutoStart"	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.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

17 api.2ip.ua
1 api.2ip.ua
2 api.2ip.ua

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe

description	pid	process	target process
PID 2100 set thread context of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 set thread context of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.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:

0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe

pid	process
2280	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
2280	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
5020	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
5020	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe

C:\Users\Admin\AppData\Local\Temp\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
"C:\Users\Admin\AppData\Local\Temp\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2100

C:\Users\Admin\AppData\Local\Temp\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
"C:\Users\Admin\AppData\Local\Temp\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2280

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\736cb85a-2367-4f1b-b75f-04bb7e3a2b31" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:3980

C:\Users\Admin\AppData\Local\Temp\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
"C:\Users\Admin\AppData\Local\Temp\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3396

C:\Users\Admin\AppData\Local\Temp\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
"C:\Users\Admin\AppData\Local\Temp\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:5020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
9e130b50184e39e32205c9dd3befee15

SHA1
150b8bfb3208d3a854996e02c1470d81530335b5

SHA256
7b5bd8bc8ac2cd655c212c4790e5d9a259046730a9f0bb51616b036da55d2c50

SHA512
3cf76690e692c874792fa99d6358ebdd3596bab33bede653067375fc7de617eb7f150f52e640d34b2d51dcbe39c5bb88381bdc0279054ab65d5f1492d89f648f

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
08ff0e439568c941ff7dbc5beb4b79b8

SHA1
99f58f910e082d10f76b0d1c2e52f6c04670cd5f

SHA256
06f688605f9fc2b173f63f500cfa59c6064d1e8904ba7ac3df6c6fe2459db17f

SHA512
4eb7569a4ab53863b56dfff656673e91d73bde67819cf175ba9be71f996d5a5e27a74e5a7334b5582d9fdb72cd8aab8fbf4cb5b8415873e9c25751ccbeca2127

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

MD5
cd413d2d5f9d9c33c38cad8e3a98d8ea

SHA1
0bed3969463e096b1f0df9048cfcc274c86ac47e

SHA256
ed7f00d0e8eee038a7f3baaed5c21870d0c5895a4162c9a7704d7bced9a4aeff

SHA512
37c5be5099659da4785043e0935687e8e76f883e6de17c0c29003482ad74f66a84354133c79e6a492e3fefea312c832dbd7c0dafeadfaaf92416702f20474390

Download Submit
C:\Users\Admin\AppData\Local\736cb85a-2367-4f1b-b75f-04bb7e3a2b31\0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
Filesize
797KB

MD5
d34dec7221934dd339a9eaad387207cf

SHA1
3c1f4fc0b754dde547930c02870f64ee4b096640

SHA256
0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697

SHA512
cd689f7fa24d663768d5c9d9f359138c80b6b4566f489926ed915ec7a727eab84986e0622d70e3231efc7d1bbc0613b474fe84846739dd527cfe16cc03a8513b

Download Submit
memory/2100-2-0x0000000003D80000-0x0000000003E9B000-memory.dmp

Filesize
1.1MB

Download
memory/2100-1-0x00000000021D0000-0x0000000002270000-memory.dmp

Filesize
640KB

Download
memory/2280-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2280-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2280-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2280-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2280-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3396-33-0x0000000000400000-0x0000000002013000-memory.dmp

Filesize
28.1MB

Download
memory/3396-23-0x0000000000400000-0x0000000002013000-memory.dmp

Filesize
28.1MB

Download
memory/5020-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5020-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5020-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5020-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5020-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5020-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5020-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5020-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5020-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

description	pid	process	target process
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2100 wrote to memory of 2280	2100	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2280 wrote to memory of 3980	2280	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	icacls.exe
PID 2280 wrote to memory of 3980	2280	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	icacls.exe
PID 2280 wrote to memory of 3980	2280	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	icacls.exe
PID 2280 wrote to memory of 3396	2280	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2280 wrote to memory of 3396	2280	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 2280 wrote to memory of 3396	2280	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe
PID 3396 wrote to memory of 5020	3396	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe	0a326ee8a024906ee2e31f171d2cdcb38d78ce3a34b330500f7ad99047932697.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads