Analysis
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max time kernel
150s -
max time network
152s -
platform
windows11-21h2_x64 -
resource
win11-20240319-en -
resource tags
arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/04/2024, 05:46
Static task
static1
Behavioral task
behavioral1
Sample
e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
Resource
win11-20240319-en
General
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Target
e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
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Size
770KB
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MD5
1c020d417d5549c596a13af5dfb7710a
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SHA1
d1f64d8ca15f630ecedd0c0a9d029c92bdd9e9f3
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SHA256
e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca
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SHA512
28c2f404ebeaf893fe59bb8dbc61784b7c9fd844b9f93ec68ec3ffdfe04089bca4b920440c0d1ba0a9b930c1343e3b53f9ab8bfab8c333556f9189f1ed9077ff
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SSDEEP
12288:4GgVuusDHbpT8wLAzBkkYDs82CQ9KJlWRezsArPGz3mtMOCsGimISMx:HHbpT8DxYg82Em4/rPGLxJuSMx
Malware Config
Extracted
djvu
http://sajdfue.com/test2/get.php
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extension
.uazq
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offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.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/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 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: 0860PsawqS
Signatures
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Detected Djvu ransomware 18 IoCs
resource yara_rule behavioral2/memory/3136-2-0x0000000004C90000-0x0000000004DAB000-memory.dmp family_djvu behavioral2/memory/3560-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3560-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3560-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3560-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3560-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/808-20-0x0000000004B10000-0x0000000004BAE000-memory.dmp family_djvu behavioral2/memory/2076-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-23-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2076-39-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Modifies file permissions 1 TTPs 1 IoCs
pid Process 3944 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\30317f4b-fb11-4721-9c67-ab8456b0098a\\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe\" --AutoStart" e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.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.
flow ioc 1 api.2ip.ua 2 api.2ip.ua 6 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3136 set thread context of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 808 set thread context of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3560 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 3560 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 2076 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 2076 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3136 wrote to memory of 3560 3136 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 81 PID 3560 wrote to memory of 3944 3560 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 82 PID 3560 wrote to memory of 3944 3560 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 82 PID 3560 wrote to memory of 3944 3560 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 82 PID 3560 wrote to memory of 808 3560 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 83 PID 3560 wrote to memory of 808 3560 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 83 PID 3560 wrote to memory of 808 3560 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 83 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86 PID 808 wrote to memory of 2076 808 e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3136 -
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3560 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\30317f4b-fb11-4721-9c67-ab8456b0098a" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:3944
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C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808 -
C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe"C:\Users\Admin\AppData\Local\Temp\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:2076
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize1KB
MD5580071ebd24cccfd9268e1474bb8134e
SHA1443665efe7009fe1d4c5bc4786dc9cc540e59ef6
SHA25653e3fd53196b53d23b724612cf2704518edf3e979dca02f5674ac419b5f7b461
SHA51213d52455d8a30a0af06c420cd01f13f55efc4c55b59883c5208bf4929352e7b783557bff6a157c4fc71a8e7cbfadf00d55eef8ebef4b984624d8feb116a960a4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize724B
MD58202a1cd02e7d69597995cabbe881a12
SHA18858d9d934b7aa9330ee73de6c476acf19929ff6
SHA25658f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5
SHA51297ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize410B
MD56ea20bc0fc2c3e3bb425c61c7d9967b2
SHA1db12abdb193aef1a9ff41d5cf118972b247ea2e2
SHA25682c3805dea47ea6f81327c67223c8d046932d8b69d023f4be2f82402636cbfad
SHA512a71b859abf6e2c04b8afc8750e6b376799942373f3e6b10269310cca3280ada1fce8458e774b3bac14c8daead7b1e9e550b95dc7cbcf11e7e73bd9647156ab49
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize392B
MD565578eaa8bbb5c411d4830e825febee6
SHA1856eb7f23a84e27a2d7203fb3db11d9be62c9875
SHA256e2d57dd9b033674f58fedc33f1be282184dcb5064bfbd6108be701d891fd40fc
SHA5126af5b5da7b557fd87e702b6ebe77373cf1570203f00316e84d89cc7a9d0f3ef2a8e72e552f8126e78cb004c8ecc71cd6d59afe874331cbe8382ade6e323654b3
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C:\Users\Admin\AppData\Local\30317f4b-fb11-4721-9c67-ab8456b0098a\e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca.exe
Filesize770KB
MD51c020d417d5549c596a13af5dfb7710a
SHA1d1f64d8ca15f630ecedd0c0a9d029c92bdd9e9f3
SHA256e10c60a6efc4fd73a466ece52c01ac8cd78ac338ff41f610645c60c7845b10ca
SHA51228c2f404ebeaf893fe59bb8dbc61784b7c9fd844b9f93ec68ec3ffdfe04089bca4b920440c0d1ba0a9b930c1343e3b53f9ab8bfab8c333556f9189f1ed9077ff