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240731-my145atfmf 10Analysis
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max time kernel
615s -
max time network
619s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
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submitted
31-07-2024 19:40
General
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Target
32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe
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Size
844KB
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MD5
a6f049a056e37a65280ddfe17f689b50
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SHA1
479e08954d4d58b643ada84da280bd01c71e779a
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SHA256
32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08
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SHA512
f7effb9a12c0723ed336117e3399940d4fe9e3682eec18cdf19cf074dab27d2ce8b1c14d30f1e3e26b5883732f8b970477a32ca4c12fe36a8fa3bc452586511b
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SSDEEP
24576:40bAk9PkFMVNgsbj6d2dXrpcpZBWGyDs1lwBUeF:PEGNgsnHDIZB/yDseB
Malware Config
Extracted
djvu
http://asvb.top/nddddhsspen6/get.php
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extension
.ehiz
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offline_id
94ZMASYQt4QGhpOo8gEwVMGuTvtKzw670thXUlt1
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payload_url
http://asvb.top/files/penelop/updatewin1.exe
http://asvb.top/files/penelop/updatewin2.exe
http://asvb.top/files/penelop/updatewin.exe
http://asvb.top/files/penelop/3.exe
http://asvb.top/files/penelop/4.exe
http://asvb.top/files/penelop/5.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-IMhsjaUZQE 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: 0299ewgfDd
Signatures
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Detected Djvu ransomware 27 IoCs
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Renames multiple (125) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Executes dropped EXE 6 IoCs
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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 7 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 5 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 11 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 12 IoCs
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Suspicious use of WriteProcessMemory 56 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe"C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.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\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe"C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.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\5277760f-0145-47f4-bafd-e201467b6434" /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\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe"C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.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\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe"C:\Users\Admin\AppData\Local\Temp\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exeC:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exeC:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exeC:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exeC:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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C:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exeC:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exeC:\Users\Admin\AppData\Local\5277760f-0145-47f4-bafd-e201467b6434\32b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08.exe --Task2⤵
- Executes dropped EXE
- 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
42B
MD57596a1bdff68ec51dc34714489424ddd
SHA14254a5cc04608fc2697af111d1ef68abbf79240b
SHA256bcae3763733f53a49f040f004abb77a0103032d82708d07e362b9b81c8d4527a
SHA51243a295ec79fa30df3167f5edaf7a54a89d0726cfeb4441ede55c42c407d00939421a0179fa12bae0e2b93d522c31cce27b2150b959e678781e1fbc5330cfaaf9
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Filesize
1KB
MD57fb5fa1534dcf77f2125b2403b30a0ee
SHA1365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA25633a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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Filesize
174B
MD59b02a62fd45502dcd5d7b49c5c721bff
SHA16e80ec08d807bffb72c74b21aa0179fd3368a58e
SHA2568774014fa2151047c25c5e86ce3c565da011815234a4c089db64bb1134749993
SHA5124b4a002c783ade9b3ab27e565ae172c49cdc2ec8ec198860dc1570dcc6bbcfd8e6ee34191237fdee4f5bc034043e8116496413efde9304b955e08492a53d777a
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Filesize
170B
MD5a145c1701d4c31d9226262ee4886176c
SHA1afa9dbe70e25c41f2a8ec25975c3e571446c60a6
SHA256e83a93f8cc8fb07e3d80859e5d3358d50d673fdda8367b3bcb2fd27527a92445
SHA512c73d11ce12bc8405dd14d48584223ec4ef5969c2c665ecf37ca8e3efa2f479019b19be5ffc4a6aade9f2aa638bdb1ad1c847df76ff8a60ee37835238bbcd2931
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Filesize
844KB
MD5a6f049a056e37a65280ddfe17f689b50
SHA1479e08954d4d58b643ada84da280bd01c71e779a
SHA25632b0fbaf95fefcc9b89243be8721625592fc9ed92d76a48cab263898fd3d5c08
SHA512f7effb9a12c0723ed336117e3399940d4fe9e3682eec18cdf19cf074dab27d2ce8b1c14d30f1e3e26b5883732f8b970477a32ca4c12fe36a8fa3bc452586511b
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Filesize
1.1MB
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Filesize
600KB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
Filesize
1.2MB
-
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
1.2MB
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Filesize
1.2MB
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Filesize
880KB
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Filesize
880KB