Analysis
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max time kernel
142s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
23-08-2024 12:02
Static task
static1
Behavioral task
behavioral1
Sample
bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe
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Size
1.1MB
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MD5
bba54c282b52450d29c0372a0d0801ea
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SHA1
670981a5ef11461aa1891ab300c41f7e83c4e64d
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SHA256
3d3df3e7eb70a5b2ec5d8484b65aa13b0bfa15161ad29b1435f17fc7c80cdef9
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SHA512
056cba65bbaf1aaa7f9a3d548dd6b958e562cd4e3be5e91b1998c3d998f5197a241b7bf8da8470743962d902153b6cfbf2239e18b7bacdd6f30ecae248e71c5d
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SSDEEP
24576:qn4qZ9kMnVFb91WNZj2GdNiZ5SfkVEmLq9kqRn:q4qZyQVx0Zj2Ge2S3O9DRn
Malware Config
Extracted
djvu
http://ring1.ug/As73yhsyU34578hxxx/SDf565g/get.php
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extension
.coot
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offline_id
MRQ5kb5Z12tWuP3e25YoRt4PRDrJd2yuI3coott1
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payload_url
http://ring1.ug/files/cost/updatewin1.exe
http://ring1.ug/files/cost/updatewin2.exe
http://ring1.ug/files/cost/updatewin.exe
http://ring1.ug/files/cost/3.exe
http://ring1.ug/files/cost/4.exe
http://ring1.ug/files/cost/5.exe
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ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like photos, 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-IbdGyCKhdr 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: 0175Asd374y5iuhld
Signatures
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Detected Djvu ransomware 8 IoCs
Processes:
resource yara_rule behavioral1/memory/2924-2-0x0000000009450000-0x000000000956A000-memory.dmp family_djvu behavioral1/memory/2924-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2924-24-0x0000000009450000-0x000000000956A000-memory.dmp family_djvu behavioral1/memory/2924-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/2924-23-0x0000000000400000-0x0000000001400000-memory.dmp family_djvu behavioral1/memory/2592-42-0x0000000000400000-0x0000000001400000-memory.dmp family_djvu behavioral1/memory/2592-43-0x0000000000400000-0x0000000001400000-memory.dmp family_djvu behavioral1/memory/2592-46-0x0000000000400000-0x0000000001400000-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:
bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\71dbaaaf-2f53-4d4e-a7be-cf69453c9204\\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe\" --AutoStart" bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.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 9 api.2ip.ua 3 api.2ip.ua 4 api.2ip.ua -
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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exeicacls.exebba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exebba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exepid process 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe 2592 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe 2592 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exedescription pid process target process PID 2924 wrote to memory of 2560 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe icacls.exe PID 2924 wrote to memory of 2560 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe icacls.exe PID 2924 wrote to memory of 2560 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe icacls.exe PID 2924 wrote to memory of 2560 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe icacls.exe PID 2924 wrote to memory of 2592 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe PID 2924 wrote to memory of 2592 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe PID 2924 wrote to memory of 2592 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe PID 2924 wrote to memory of 2592 2924 bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\71dbaaaf-2f53-4d4e-a7be-cf69453c9204" /deny *S-1-1-0:(OI)(CI)(DE,DC)2⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:2560 -
C:\Users\Admin\AppData\Local\Temp\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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
MD5fbf55cfe950a61fa6256bc87257913f4
SHA15e81e1e1a1278e86373aaa832534d915e9d37740
SHA25679a8835d7671c9fd847b6aae494389276574bdbc2aa09a6eefb5a964c780f4c5
SHA512f2db21b07217723e58d26571fab91efa9c5fbb6979a02fdfe251bc3ca1c167f5411c3aa5197a4036cc1694ed352d19cc7f9a4e234d45571396853d6cd7bafee0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD55556c860daf11cfdebc3519c96922707
SHA1dcea9d034c8612874e1caf96dcb91201e5e03284
SHA256f89d66f53d833b5799168ea67684b147a886893b9995e401c8e4da7c55176e33
SHA5129cf6c888b1d0a8fd455e935c1119c9307d642a88353d2ef3c62908aede3222b909971359c54da53f866b40ae71b429fd2b1881e89ef8526c516bc485730bc1c4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD564830b3be24acb08e072c46eb465c7c0
SHA1a09b2f2be98a0a402fb81cc501edd745c856f224
SHA256d112dda1ff50b11a20181f7eb51a69d56fa4e65fef4d22ad0adcfed272f5c89e
SHA512c5f1c897e120583d2ad31c0536ae8621ff43a839d5299c704f225689bc69fb2b7d6770cc7af27671e48147c2e31dbecaa169b8e48499173e23fb216c3c655618
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C:\Users\Admin\AppData\Local\71dbaaaf-2f53-4d4e-a7be-cf69453c9204\bba54c282b52450d29c0372a0d0801ea_JaffaCakes118.exe
Filesize1.1MB
MD5bba54c282b52450d29c0372a0d0801ea
SHA1670981a5ef11461aa1891ab300c41f7e83c4e64d
SHA2563d3df3e7eb70a5b2ec5d8484b65aa13b0bfa15161ad29b1435f17fc7c80cdef9
SHA512056cba65bbaf1aaa7f9a3d548dd6b958e562cd4e3be5e91b1998c3d998f5197a241b7bf8da8470743962d902153b6cfbf2239e18b7bacdd6f30ecae248e71c5d
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b