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Analysis
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max time kernel
145s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29/12/2024, 11:41
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
Resource
win10v2004-20241007-en
General
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Target
JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
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Size
726KB
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MD5
01456817b3ff990bf8aab476c338a1ea
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SHA1
cdc416d77e38a7a4049b5a8ccdade1cc5c6b2192
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SHA256
65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc
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SHA512
a9ba7a07e3e7ee00f830b0dba837bf63208a62189207d8a2e3b8e55be5f48336bb31f5ebd8fab5b30ecdfbc61d9e17c2de3f93f0a70a94e38af0ab5982e49945
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SSDEEP
12288:pJxy8Or5vCXxblkNYv9hsTg74RuZvH4t8jyjqj2J9bGj1ga:pJQ31vCXxpzcTaO0YxOb
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.dmay
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Signatures
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Detected Djvu ransomware 18 IoCs
resource yara_rule behavioral2/memory/3628-2-0x0000000002200000-0x000000000231B000-memory.dmp family_djvu behavioral2/memory/2876-4-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2876-3-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2876-5-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2876-6-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2876-17-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-21-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-22-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-24-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-29-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-30-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-31-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-35-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-44-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-46-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-47-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-48-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1916-49-0x0000000000400000-0x0000000000537000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 4656 icacls.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\a72b6c74-f81f-4b5d-9287-d15e6e34c46f\\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe\" --AutoStart" JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.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 12 api.2ip.ua 13 api.2ip.ua 21 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3628 set thread context of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 4856 set thread context of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.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 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icacls.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2876 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 2876 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 1916 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 1916 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 3628 wrote to memory of 2876 3628 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 82 PID 2876 wrote to memory of 4656 2876 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 83 PID 2876 wrote to memory of 4656 2876 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 83 PID 2876 wrote to memory of 4656 2876 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 83 PID 2876 wrote to memory of 4856 2876 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 84 PID 2876 wrote to memory of 4856 2876 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 84 PID 2876 wrote to memory of 4856 2876 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 84 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86 PID 4856 wrote to memory of 1916 4856 JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.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:2876 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\a72b6c74-f81f-4b5d-9287-d15e6e34c46f" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
PID:4656
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1916
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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
MD5b4918897310ae077fc2409bcc2cee36c
SHA15ab386aa36a7cc0990e54448b0d620607efaa183
SHA2561006c9b88dceda13616691004df5c11f6c6372b926a5df3eae1554cb8379d429
SHA512ef2db0d6780e4c431b3bf17eb72ef150e104d712d49f29f7f73961068f8e0b01e16ac06c4edb41aad2f62bfc1fbb59d25bc1e10e4b2e882956377a74eea3f44e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
Filesize170B
MD50c182bb995e2b316c082323eddedaef0
SHA10efcc3bcab3ede67faff2159d07b9a45e8333e60
SHA25651e039f653b9c98147967e9587acfc5a142a8398c72a24eacb3d6ac3c1c7a652
SHA51206ed5b38a3dba9c90c045d70ad407420aad949da38c6769c080057d3aa903f3f9eb83a1bd33082d2377fe4a1849e191c8cb49a2856a7015cc49017b132934e20
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C:\Users\Admin\AppData\Local\a72b6c74-f81f-4b5d-9287-d15e6e34c46f\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
Filesize726KB
MD501456817b3ff990bf8aab476c338a1ea
SHA1cdc416d77e38a7a4049b5a8ccdade1cc5c6b2192
SHA25665209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc
SHA512a9ba7a07e3e7ee00f830b0dba837bf63208a62189207d8a2e3b8e55be5f48336bb31f5ebd8fab5b30ecdfbc61d9e17c2de3f93f0a70a94e38af0ab5982e49945