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Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/12/2024, 06:18
Static task
static1
Behavioral task
behavioral1
Sample
e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
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Size
760KB
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MD5
e5140e4645a51e56a877d65054c3315c
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SHA1
e0d69b2d8307a323a0971a3d91ab3bd47f394de9
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SHA256
e1b4d08ecd1ea054c62630c9bb9b289afbc6d29306a145ba571efe921c24cb8b
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SHA512
6a0b3da836373abd4d01f5b83ce6b92f178ac366ce07b11ab2a060f06c74436190caf5e616f919f0c25c234772ba37e862226758940c27906273ae4daf331b79
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SSDEEP
12288:W3lIze2M5rGFJdE0WGPtMKWkslXVoOpyXluNsPjRvWcfET9y3h9ZOy:W6MfW6XVoOpyXluNK/ET9y3fQ
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 17 IoCs
resource yara_rule behavioral2/memory/4856-2-0x0000000000FC0000-0x00000000010DB000-memory.dmp family_djvu behavioral2/memory/3508-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3508-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3508-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3508-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3508-19-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-23-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-26-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-34-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-33-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-37-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-40-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-39-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-41-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/5052-43-0x0000000000400000-0x0000000000537000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 3888 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\aab5c769-895c-446f-ba4e-33dead90181e\\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe\" --AutoStart" e5140e4645a51e56a877d65054c3315c_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.
flow ioc 8 api.2ip.ua 9 api.2ip.ua 20 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4856 set thread context of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 1092 set thread context of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 -
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 icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3508 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 3508 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 5052 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 5052 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 4856 wrote to memory of 3508 4856 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 85 PID 3508 wrote to memory of 3888 3508 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 86 PID 3508 wrote to memory of 3888 3508 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 86 PID 3508 wrote to memory of 3888 3508 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 86 PID 3508 wrote to memory of 1092 3508 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 87 PID 3508 wrote to memory of 1092 3508 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 87 PID 3508 wrote to memory of 1092 3508 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 87 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90 PID 1092 wrote to memory of 5052 1092 e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.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:3508 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\aab5c769-895c-446f-ba4e-33dead90181e" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:3888
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C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5052
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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
MD5e5c5a28eb4b6ee230f70f386a054f80a
SHA1792f0b959fa8c4b7b22c35a8a34af9c00c981aaf
SHA25668987d7d909c52994a20afb15ca7f5b496e5c36fb33f08ab7c0c4c321fa36003
SHA51241ff9817e633f198611f9bff1abdfe9e93c075de45ad1d529da65f69c64afdb43b8c4ee272245010be48c2821ef4527c01ee8552485b309958b4768d0f4d80a1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD5fd2df56bfeed35353f455ac7ee7bc9f1
SHA1e925a54a862dbb5b9adf1fb01159130218a24bf8
SHA25658504933d9fb5a49da2bf98f30166a64e336462cd9840f6a0b1192a440ee1c1b
SHA5127df4bc1ad3bb9d0e90fc7cbd9857cf3bed634769a672147d94fa2e83bcfcdf2245950337848b94809574b604036a6e1a62549d0a0c906ed69bc9bb6f4e775829
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C:\Users\Admin\AppData\Local\aab5c769-895c-446f-ba4e-33dead90181e\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
Filesize760KB
MD5e5140e4645a51e56a877d65054c3315c
SHA1e0d69b2d8307a323a0971a3d91ab3bd47f394de9
SHA256e1b4d08ecd1ea054c62630c9bb9b289afbc6d29306a145ba571efe921c24cb8b
SHA5126a0b3da836373abd4d01f5b83ce6b92f178ac366ce07b11ab2a060f06c74436190caf5e616f919f0c25c234772ba37e862226758940c27906273ae4daf331b79