Analysis
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max time kernel
136s -
max time network
140s -
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 04:35
Static task
static1
Behavioral task
behavioral1
Sample
392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe
Resource
win10v2004-20240508-en
General
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Target
392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe
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Size
999KB
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MD5
1e9cf3eb2c0ce99704de015db310864a
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SHA1
da56e5fc60bd6d5291efb889fc7688c55b59240b
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SHA256
392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01
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SHA512
bb762108a2c08d0d9efb43768f49428392a27494b711f523e0a578ad20286dbec4b1ec56248370310a3975c1e9eadf8467e3fb29adf6cf85b9b291db64250390
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SSDEEP
24576:1z7grG22hFJZ6Zytm/V4oSpU5SbBRFdR8DlRmHrQ6:JcGjZ6ZR/V9/SbBRbysHc6
Malware Config
Extracted
djvu
http://fresherlights.com/test1/get.php
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extension
.bowd
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offline_id
oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.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. You can get and look video overview decrypt tool: https://we.tl/t-dyi5UcwIT9 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: 0594Jhyjd
Signatures
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Detected Djvu ransomware 3 IoCs
Processes:
resource yara_rule behavioral2/memory/2152-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2152-9-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2152-20-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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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.
Processes:
flow ioc 3 api.2ip.ua 4 api.2ip.ua -
Suspicious use of SetThreadContext 1 IoCs
Processes:
392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exedescription pid process target process PID 5044 set thread context of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exepid process 2152 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 2152 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exedescription pid process target process PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe PID 5044 wrote to memory of 2152 5044 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe 392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe"C:\Users\Admin\AppData\Local\Temp\392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe"C:\Users\Admin\AppData\Local\Temp\392883b6115f0d0d245f76598f44769ebe54a06844f3a16431b1c2b5971fbe01.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/2152-8-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/2152-9-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/2152-20-0x0000000000400000-0x0000000000537000-memory.dmpFilesize
1.2MB
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memory/5044-2-0x0000000002D20000-0x0000000002D21000-memory.dmpFilesize
4KB
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memory/5044-0-0x0000000000400000-0x0000000002CDC000-memory.dmpFilesize
40.9MB
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memory/5044-1-0x0000000000400000-0x0000000002CDC000-memory.dmpFilesize
40.9MB
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memory/5044-3-0x0000000000400000-0x0000000002CDC000-memory.dmpFilesize
40.9MB
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memory/5044-5-0x0000000000400000-0x0000000002CDC000-memory.dmpFilesize
40.9MB
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memory/5044-6-0x0000000000401000-0x0000000000414000-memory.dmpFilesize
76KB
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memory/5044-7-0x0000000000400000-0x0000000002CDC000-memory.dmpFilesize
40.9MB
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memory/5044-10-0x0000000000400000-0x0000000002CDC000-memory.dmpFilesize
40.9MB