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Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2024, 17:55
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
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Size
757KB
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MD5
ecbe71acc090c1bb8e77118f01f6c2b9
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SHA1
ba7d46467e5da6176db5df8f74cc905391d806fd
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SHA256
8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9
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SHA512
e54c6f08eef65cf1629ad88e660230215c9c8583b9fb93190cece199aa88bbe1fd60a940ee9ae6656e370c3eec5bab69cfcd2ca7c029be31c7b73ca9085719cf
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SSDEEP
12288:GneHdHA9ep0dkhbl6+NQ/d/ms/cju+nad/v8Wvf9GYxfDwOMO+9+C1JMbk45+Hk:jHJpCWzN+/Venad/v8Wv6OL+9bgk45+
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.tuid
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offline_id
LgcOIftV0dQfFBQStVNfb8BhHy8tHRPvXwSiFwt1
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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-FglTTmgzZT 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: 0440tOjkfd
Signatures
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Detected Djvu ransomware 18 IoCs
resource yara_rule behavioral2/memory/2432-2-0x00000000021F0000-0x000000000230B000-memory.dmp family_djvu behavioral2/memory/3936-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3936-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3936-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3936-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3936-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-44-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-46-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-47-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-48-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1508-49-0x0000000000400000-0x0000000000537000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 1008 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\2ff3fd43-2b3e-49f6-9a20-22513e67a0b2\\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe\" --AutoStart" JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.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 6 api.2ip.ua 7 api.2ip.ua 17 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2432 set thread context of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 3236 set thread context of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 -
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 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3936 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 3936 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 1508 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 1508 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 2432 wrote to memory of 3936 2432 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 83 PID 3936 wrote to memory of 1008 3936 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 84 PID 3936 wrote to memory of 1008 3936 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 84 PID 3936 wrote to memory of 1008 3936 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 84 PID 3936 wrote to memory of 3236 3936 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 85 PID 3936 wrote to memory of 3236 3936 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 85 PID 3936 wrote to memory of 3236 3936 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 85 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87 PID 3236 wrote to memory of 1508 3236 JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.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:3936 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\2ff3fd43-2b3e-49f6-9a20-22513e67a0b2" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:1008
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3236 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1508
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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
MD5f7cc69170814febb9143376c4f171672
SHA14b9278dc690bf54d7d13e2262f46f5c67f6fac1d
SHA2564103f02b401e7e1a13a18314fc9ab94d884a112e73bdf0d78d0d1623ee5d9398
SHA51205ffdd0f3bb25165836267421b776d5b9c4b74805ef71b8e42d17a4ccb866dd600ebde96e64df09d12cbaf0c59bb278ad6746b7b53053b6982aa99a21ae75817
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD570d904c3f877309017dff0a0a472f21c
SHA1d99374071761e267d43ed0ca541dd05e498c5004
SHA2561fcf433a83e4bd6f461fc26d1a7b5507a3df8be995bf9b9794e53466b62379ce
SHA512b432ede4d53d36fc825b71b7ebed8f068ea41d84014f2a4dd3f0e4cd4c437b95c3516602de2cfe3f0eacdc26031dec7574c48d1a8fc6642889058ea8c6198d4d
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C:\Users\Admin\AppData\Local\2ff3fd43-2b3e-49f6-9a20-22513e67a0b2\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
Filesize757KB
MD5ecbe71acc090c1bb8e77118f01f6c2b9
SHA1ba7d46467e5da6176db5df8f74cc905391d806fd
SHA2568edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9
SHA512e54c6f08eef65cf1629ad88e660230215c9c8583b9fb93190cece199aa88bbe1fd60a940ee9ae6656e370c3eec5bab69cfcd2ca7c029be31c7b73ca9085719cf