Analysis
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max time kernel
142s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
14-08-2024 01:29
Static task
static1
Behavioral task
behavioral1
Sample
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
Resource
win10v2004-20240802-en
General
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Target
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
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Size
758KB
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MD5
8f81e96f8c96dec003b51826bbd5885f
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SHA1
7b8c4ec9a3808eaa32ab07d1608ad275f34adbe3
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SHA256
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4
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SHA512
8770f01b013e401a3eef992aa53e7623a0367bf857309fa238781f70f44ef3e1e5697751d2a28b7ff1f35e8fad921b3fbfeb17f3c9724fab786934c8eb8ee8ce
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SSDEEP
12288:VI/X+roiofZzZXvGasEKcXm/WThCFrUi/bwV5LYBYH7caEArXMViC53j:gOsiorGLEKT/WThUlbaUYH7lE005
Malware Config
Extracted
djvu
http://securebiz.org/fhsgtsspen6/get.php
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extension
.rigd
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offline_id
gigF2ELYocnMQz77LhEpSoXvtYp2junk9HZFtJt1
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payload_url
http://znpst.top/dl/build2.exe
http://securebiz.org/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-2zbBkO06mv 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: 0335gSd743d
Signatures
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Detected Djvu ransomware 16 IoCs
Processes:
resource yara_rule behavioral1/memory/1644-5-0x0000000000A70000-0x0000000000B8B000-memory.dmp family_djvu behavioral1/memory/2316-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2316-7-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2316-8-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2316-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-36-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-38-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-53-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-54-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-55-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/1924-57-0x0000000000400000-0x00000000008ED000-memory.dmp family_djvu behavioral1/memory/3020-59-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-63-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-64-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-61-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3020-65-0x0000000000400000-0x0000000000537000-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
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c080a6ba-5783-4b46-9219-0ec7055082f7\\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe\" --AutoStart" f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.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.
Processes:
flow ioc 3 api.2ip.ua 4 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exef7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exedescription pid process target process PID 1644 set thread context of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 set thread context of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe -
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.
Processes:
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exeicacls.exef7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exef7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exef7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exef7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exepid process 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe 3020 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe 3020 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exef7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exef7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exedescription pid process target process PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1644 wrote to memory of 2316 1644 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 2316 wrote to memory of 2832 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe icacls.exe PID 2316 wrote to memory of 2832 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe icacls.exe PID 2316 wrote to memory of 2832 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe icacls.exe PID 2316 wrote to memory of 2832 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe icacls.exe PID 2316 wrote to memory of 1924 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 2316 wrote to memory of 1924 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 2316 wrote to memory of 1924 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 2316 wrote to memory of 1924 2316 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe PID 1924 wrote to memory of 3020 1924 f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\c080a6ba-5783-4b46-9219-0ec7055082f7" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2832 -
C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe"C:\Users\Admin\AppData\Local\Temp\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD57fb5fa1534dcf77f2125b2403b30a0ee
SHA1365d96812a69ac0a4611ea4b70a3f306576cc3ea
SHA25633a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f
SHA512a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD5838443227950359475b9e9d24bfe0b82
SHA1ed736f58540d2e6dba830362a2877bc2cfba5bd1
SHA2566e500a99099c96dc5a5edf91deb28387a21e4c9c15f5c09d88c5bec9199e6ea3
SHA51206a3947f09f8dbe6601318daaefcd5cc4609330a97d7b9afb63519278d9f12162333ce99d96f8ef8ce37c0f90ba4ef30efd740bcc3aefd10ffd05db5d15820d1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5870a2be48b872cb66fae0af4c71906c8
SHA101d4de681e6de781a8c8049cbef0b5e7ee1e49de
SHA25616c44621ac10254396fe4632d81d0bd6e60d46999baf4e535243d95a5aa43017
SHA512e8d3eb75441ebeab9b71ae8b749d7c5b750b491065ca8ba75557a0df7a018323508411b5324442b153e1bb7dd8c1ad21b6b577194e77cf2d79063adb5f3fb4f9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5d702d64661b39f0fe0d227cb4f6aa011
SHA18ea280877a86eb4114edc5f8f810fc597787cd9d
SHA256c40e840bb24bfdd29af2a656b02153597d005f76ad4288a61991fe8727fde02d
SHA512b5e51ce42b8d0b384f6725be42f524fadf94728c29e22391415adf2ea01f97c776cc32ec3739bd76663eccba8cdcc0f78854afb7da9a5fb1f75792b3ee969f60
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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C:\Users\Admin\AppData\Local\c080a6ba-5783-4b46-9219-0ec7055082f7\f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4.exe
Filesize758KB
MD58f81e96f8c96dec003b51826bbd5885f
SHA17b8c4ec9a3808eaa32ab07d1608ad275f34adbe3
SHA256f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4
SHA5128770f01b013e401a3eef992aa53e7623a0367bf857309fa238781f70f44ef3e1e5697751d2a28b7ff1f35e8fad921b3fbfeb17f3c9724fab786934c8eb8ee8ce