Analysis
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max time kernel
96s -
max time network
134s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
02-11-2020 14:44
Static task
static1
Behavioral task
behavioral1
Sample
takercry.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
takercry.exe
Resource
win10v20201028
General
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Target
takercry.exe
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Size
64KB
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MD5
bdb4967fc8da80d11cc90285815b7546
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SHA1
2846d5cb9f8c907ceec870b6d609ca0928736ace
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SHA256
0cdbcb50606163247217302015e351e2611275ded3b5c6f1a4b4299754245f9c
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SHA512
0fd214058bdb059c64407f656bf963df7164cc676efbd43748ef89bfb144b7d7cf0edcc8552aaf64144904d6bc7617ef33bc24a65325fe5f655ea6a385c12f1c
Malware Config
Extracted
azorult
http://laninesolution.com/roky/PL341/index.php
Signatures
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Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
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Loads dropped DLL 4 IoCs
Processes:
takercry.exepid process 3176 takercry.exe 3176 takercry.exe 3176 takercry.exe 3176 takercry.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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JavaScript code in executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\4210A729\nss3.dll js -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
Processes:
takercry.exetakercry.exepid process 1628 takercry.exe 3176 takercry.exe 3176 takercry.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
takercry.exedescription pid process target process PID 1628 set thread context of 3176 1628 takercry.exe takercry.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
takercry.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 takercry.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString takercry.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
takercry.exepid process 3176 takercry.exe 3176 takercry.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
takercry.exepid process 1628 takercry.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
takercry.exepid process 1628 takercry.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
takercry.exedescription pid process target process PID 1628 wrote to memory of 3176 1628 takercry.exe takercry.exe PID 1628 wrote to memory of 3176 1628 takercry.exe takercry.exe PID 1628 wrote to memory of 3176 1628 takercry.exe takercry.exe PID 1628 wrote to memory of 3176 1628 takercry.exe takercry.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\takercry.exe"C:\Users\Admin\AppData\Local\Temp\takercry.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\takercry.exe"C:\Users\Admin\AppData\Local\Temp\takercry.exe"2⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\4210A729\mozglue.dllMD5
9e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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\Users\Admin\AppData\Local\Temp\4210A729\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\4210A729\nss3.dllMD5
556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
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\Users\Admin\AppData\Local\Temp\4210A729\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/3176-2-0x00000000004011E8-mapping.dmp
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memory/3176-3-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB