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Analysis
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max time kernel
143s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22/12/2024, 20:41
Static task
static1
Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
sample.exe
Resource
win10v2004-20241007-en
General
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Target
sample.exe
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Size
785KB
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MD5
dd0fbd97cd0e421a66ede4b9feba07c7
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SHA1
2f60bf4743c8a87b53bbc8cd5eed505fdf57cf5d
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SHA256
febcdb5b76ce20f3f85fd9521913e38b0364a40a873db4b2ad5116d6b92d442d
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SHA512
8713d9f8f0e9615d836d9862d820393e94df42a4edc807d3c520f01f67efe0b72eb1073e882d7980b68dc9dc77384220c56e0e7edb8527f53842683aa552199c
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SSDEEP
12288:fE7HrnlzeBv2UFZl9bT0RDqqslGWikuqUUq/51dqh5DV2I4rBL6M/Z:Anl0rFZPYGqsl1WqUDgjD4v
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.qpss
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offline_id
miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.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-0SLhZxAjRX 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: 0448JIjdm
Signatures
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Detected Djvu ransomware 18 IoCs
resource yara_rule behavioral2/memory/3964-2-0x0000000002230000-0x000000000234B000-memory.dmp family_djvu behavioral2/memory/4024-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4024-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4024-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4024-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4024-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-39-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-42-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-45-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-44-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-46-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2744-47-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Djvu family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation sample.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4140 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\5f5f3281-e389-48c1-b220-1d070857f0bc\\sample.exe\" --AutoStart" sample.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 21 api.2ip.ua 3 api.2ip.ua 5 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3964 set thread context of 4024 3964 sample.exe 82 PID 5080 set thread context of 2744 5080 sample.exe 86 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sample.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sample.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sample.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sample.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4024 sample.exe 4024 sample.exe 2744 sample.exe 2744 sample.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 3964 wrote to memory of 4024 3964 sample.exe 82 PID 4024 wrote to memory of 4140 4024 sample.exe 83 PID 4024 wrote to memory of 4140 4024 sample.exe 83 PID 4024 wrote to memory of 4140 4024 sample.exe 83 PID 4024 wrote to memory of 5080 4024 sample.exe 84 PID 4024 wrote to memory of 5080 4024 sample.exe 84 PID 4024 wrote to memory of 5080 4024 sample.exe 84 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86 PID 5080 wrote to memory of 2744 5080 sample.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964 -
C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\5f5f3281-e389-48c1-b220-1d070857f0bc" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:4140
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C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2744
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD567e486b2f148a3fca863728242b6273e
SHA1452a84c183d7ea5b7c015b597e94af8eef66d44a
SHA256facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb
SHA512d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e
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Filesize
436B
MD5971c514f84bba0785f80aa1c23edfd79
SHA1732acea710a87530c6b08ecdf32a110d254a54c8
SHA256f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895
SHA51243dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
Filesize174B
MD56320c888f011b0da9d683e856cf99de4
SHA11085eb241a755b4ba34f903abacf5a5502a1b5bb
SHA256c79abed9b40542677b14cb451c650b90e4cb90bd1b9755f8555e76eb6bdda4ec
SHA512c5f8d9760c032cb390f2be4d410c658b6efb521435e99348d35a14a82446f1e491af88b0696d71c552f30b45e471998b5d1eeacf5e522c6b659660611ef14bc6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD53ff07e5169e3071edb8eb6932a0316f4
SHA13e17b1cdf75157e78e8d014c134b2e2cf87959b5
SHA25676b2bb939c73c19e55b8fb40050704e693a09883b0a72d3e17881e5c28d1918e
SHA512691e7e05627807e8755a0079b1ac8dc9e1498e2eb104113bf6b59367bf1e57cb0297664c39a2abf153516b462460082d30c903722b43c935cc26aba9ff8e3f64
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Filesize
785KB
MD5dd0fbd97cd0e421a66ede4b9feba07c7
SHA12f60bf4743c8a87b53bbc8cd5eed505fdf57cf5d
SHA256febcdb5b76ce20f3f85fd9521913e38b0364a40a873db4b2ad5116d6b92d442d
SHA5128713d9f8f0e9615d836d9862d820393e94df42a4edc807d3c520f01f67efe0b72eb1073e882d7980b68dc9dc77384220c56e0e7edb8527f53842683aa552199c