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Analysis
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max time kernel
1s -
max time network
2s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
30/04/2024, 20:08 UTC
Errors
General
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Target
a9d6a59227370ab078d64d84f81f7502f0511cdbd945a94ca9348a10a9c7be07.exe
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Size
763KB
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MD5
0e2d81150e390967adede63bb8797e8b
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SHA1
3a17122d08cb7b3b3b9628fa3d89871a6b0d1e05
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SHA256
a9d6a59227370ab078d64d84f81f7502f0511cdbd945a94ca9348a10a9c7be07
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SHA512
0e983af8fc72200f7e4a350abe88a4ddd31a99b94b0b11f3b9e81373fcf320685f4089cbcff206ba432a43472e52d1f34ef3794b93726872df97b8dad2d01d5e
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SSDEEP
12288:wvrnDlo7dMeseUgi6b/pUqTpSNrdWTvFUwpFj8y6FC1qk7EnocqcbTes1tWvzK:wK7dvseUWJTcu9FjgkKo+bTeIEz
Malware Config
Extracted
djvu
http://cajgtus.com/test1/get.php
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extension
.bgjs
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offline_id
Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
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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
Signatures
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Detected Djvu ransomware 5 IoCs
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Modifies file permissions 1 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a9d6a59227370ab078d64d84f81f7502f0511cdbd945a94ca9348a10a9c7be07.exe"C:\Users\Admin\AppData\Local\Temp\a9d6a59227370ab078d64d84f81f7502f0511cdbd945a94ca9348a10a9c7be07.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\a9d6a59227370ab078d64d84f81f7502f0511cdbd945a94ca9348a10a9c7be07.exe"C:\Users\Admin\AppData\Local\Temp\a9d6a59227370ab078d64d84f81f7502f0511cdbd945a94ca9348a10a9c7be07.exe"2⤵
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\3c08cbb6-2225-47d3-ba62-f3ade65188df" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
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Network
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DNSapi.2ip.uaRemote address:8.8.8.8:53Requestapi.2ip.uaIN AResponseapi.2ip.uaIN A104.21.65.24api.2ip.uaIN A172.67.139.220 -
GEThttps://api.2ip.ua/geo.jsonRemote address:104.21.65.24:443RequestGET /geo.json HTTP/1.1
User-Agent: Microsoft Internet Explorer
Host: api.2ip.ua
ResponseHTTP/1.1 429 Too Many Requests
Date: Tue, 30 Apr 2024 20:08:30 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
strict-transport-security: max-age=63072000; preload
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
x-xss-protection: 1; mode=block; report=...
access-control-allow-origin: *
access-control-allow-methods: POST, GET, PUT, OPTIONS, PATCH, DELETE
access-control-allow-headers: X-Accept-Charset,X-Accept,Content-Type
CF-Cache-Status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=%2FYYME6yXSKRv%2BV6%2FK0i5Rxvno4tktalCssRCKtw7bXjeg8svf5xGrgG0dzO7rnQIO4uZTgsjXJ6h4NLp3K4Szw4FSEfFTeidcWuQa7Fjz%2FyjYigO1lLlPGUtMW%2BS"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 87ca2a07aa5b639a-LHR
alt-svc: h3=":443"; ma=86400
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DNSg.bing.comRemote address:8.8.8.8:53Requestg.bing.comIN AResponseg.bing.comIN CNAMEg-bing-com.dual-a-0034.a-msedge.netg-bing-com.dual-a-0034.a-msedge.netIN CNAMEdual-a-0034.a-msedge.netdual-a-0034.a-msedge.netIN A204.79.197.237dual-a-0034.a-msedge.netIN A13.107.21.237
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104.21.65.24:443https://api.2ip.ua/geo.jsontls, http
HTTP Request
GET https://api.2ip.ua/geo.jsonHTTP Response
429
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8.8.8.8:53api.2ip.uadns
DNS Request
api.2ip.ua
DNS Response
104.21.65.24172.67.139.220
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8.8.8.8:53g.bing.comdns
DNS Request
g.bing.com
DNS Response
204.79.197.23713.107.21.237
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.1MB
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Filesize
636KB