Analysis
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max time kernel
142s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
15/03/2025, 01:35
General
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Target
2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe
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Size
735KB
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MD5
20f7e67f860383010d15d12a842b53e1
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SHA1
9d5f6ea96520f13394999d11ddbc0c486f13c824
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SHA256
eb6a892cf3e87999e9c01c35d082c1308a8744b16aa1b5403fc40cc63eb0f02f
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SHA512
3b0dead54a6966b93892915ee4e10695a0a07b94745b18df982ae784cbf1d8d6b4b6de9c031e59cfdde941135eec823c54b5caf24adf7a7a9d9d4c93e90460e9
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SSDEEP
12288:qmhHfel6G6+O3B1uONaZXxQ/nZ9yJouprwTxGgS/4EH30KNd:jxDB1uON4XxQPZMJo8ngo48Eqd
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.wayn
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offline_id
V5TMuF1BBuDZFeJXDU5xmjrzp6rwS1IuZWNpDCt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.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-6Dm02j1lRa 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: 0740ISdik
Signatures
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Detected Djvu ransomware 16 IoCs
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Djvu family
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Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of WriteProcessMemory 30 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\3b3ceb1c-eafe-4081-857e-56b55817098e" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
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C:\Users\Admin\AppData\Local\Temp\2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe"C:\Users\Admin\AppData\Local\Temp\2025-03-15_20f7e67f860383010d15d12a842b53e1_amadey_rhadamanthys_smoke-loader.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5c9be626e9715952e9b70f92f912b9787
SHA1aa2e946d9ad9027172d0d321917942b7562d6abe
SHA256c13e8d22800c200915f87f71c31185053e4e60ca25de2e41e160e09cd2d815d4
SHA5127581b7c593785380e9db3ae760af85c1a889f607a3cd2aa5a2695a0e5a0fe8ee751578e88f7d8c997faeda804e2fc2655d859bee2832eace526ed4379edaa3f5
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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Filesize
174B
MD512d8a32bfc29c607d4699bddd3f882b2
SHA1b8354520d378c058417bf541994020ee7db6986e
SHA2567e8a63b96e1f23951563cc83b95ef5369c0cfb8c6151ac2380d2ad4e934b1830
SHA5128b76e54ab9c3990942226c18cc10f343f79fd9cc799ba8a7eaab618e8a69c408219e40f365602aecbab7d7d97d871d1cde2165e92782d294a1026eb484f5abdc
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Filesize
342B
MD5bb3b8cdcc99c291bef798ddd192fbb05
SHA129eedc674e62f29dff5095d91cf0bd8e683ec501
SHA256afe7f07b37861459af315de483984d33234cf09ddc1806e66210660369f83fe6
SHA5120bd628eda9156c01e012a2b4bc504a9c2f57b84158b6d75439c45602b8439e90e21215ff93ac7ded539ab8e2ddea45df8f6dc8743bcc23ba11561ff02f994f67
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Filesize
170B
MD5242b9d4ccde513297c35d6d39c71a0f4
SHA15c76e1c8e4d88717931a9c4cd784d017d1c707a8
SHA2568b3a867982ce9f25825e4c1d3eb7ebf7bee87df8d482c9947a521802fe6b9546
SHA512ce562e5842b28c94e7bd605cb65d64be04d5a8d9e03f5cbd570cfdc95ea6c1556a35aa73e740848862f3dafaaeac31be462d07fb85509d1b86d731d278207e02
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Filesize
735KB
MD520f7e67f860383010d15d12a842b53e1
SHA19d5f6ea96520f13394999d11ddbc0c486f13c824
SHA256eb6a892cf3e87999e9c01c35d082c1308a8744b16aa1b5403fc40cc63eb0f02f
SHA5123b0dead54a6966b93892915ee4e10695a0a07b94745b18df982ae784cbf1d8d6b4b6de9c031e59cfdde941135eec823c54b5caf24adf7a7a9d9d4c93e90460e9
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Filesize
437B
MD56910426a598bc0b07dd6ca7c2faf5c22
SHA14304d65a08652b167453997e1464cc6ef034be23
SHA256ebfef207462c29030b8a06068c8cbf1cfeae1304813b9cdbfa2d705b314bf692
SHA5125e96757fa5daa336968aa07d5fe5525040a081a547dd6bad55bed4539ad76b3f96aabd38f461efdafa4a427963b2a3187cc40dfa60c74e6c6ddf738176381952
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
449B
MD5caa078f0348cda98328127c142e3bfed
SHA1e38274d642c806a3affcca8f7e37b61f591c47e6
SHA25691faeb982f34313750a83d74c5464abe4e01357d1a7ea4253973509bc0e9d219
SHA5122e6a5c482b5226079c6b4bd9a706537c372a3b43962f64be6bdd281e3217f963316ef0eba38164890bdf14af6558eb26605320487f0a0c841be9bb813c2ee5d6
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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
1.2MB
-
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
1.2MB
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Filesize
1.2MB
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Filesize
1000KB
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Filesize
1000KB
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Filesize
584KB
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Filesize
4KB
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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
584KB
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Filesize
1.1MB
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Filesize
584KB
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Filesize
584KB