Analysis
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max time kernel
17s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
14-04-2021 06:04
Static task
static1
Behavioral task
behavioral1
Sample
8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe
Resource
win10v20210410
General
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Target
8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe
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Size
153KB
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MD5
84416741172c64875fd3a5bf65ad0d33
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SHA1
38a182bf622da5a8ba495d4c6abf57733e49520a
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SHA256
8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc
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SHA512
b45408a0b02510f19442e938197870648e72ae373b2054c626e5a2a3257c24f736b4b8e90466b411e5f0d5ce4e49c3b36b6ba65f4ba217de4f1af5c39222b2cd
Malware Config
Extracted
azorult
http://cupazo.co.in/TyBmo/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 5 IoCs
Processes:
8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exeMSBuild.exepid process 3196 8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe 1816 MSBuild.exe 1816 MSBuild.exe 1816 MSBuild.exe 1816 MSBuild.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exedescription pid process target process PID 3196 set thread context of 1816 3196 8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MSBuild.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MSBuild.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString MSBuild.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
MSBuild.exepid process 1816 MSBuild.exe 1816 MSBuild.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exepid process 3196 8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exedescription pid process target process PID 3196 wrote to memory of 1816 3196 8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe MSBuild.exe PID 3196 wrote to memory of 1816 3196 8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe MSBuild.exe PID 3196 wrote to memory of 1816 3196 8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe MSBuild.exe PID 3196 wrote to memory of 1816 3196 8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe"C:\Users\Admin\AppData\Local\Temp\8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\8d5b4d92380ec07bdb8ba955f67217995c5e32580a36f443f5f5b670aa1568fc.exe"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\8093A008\mozglue.dllMD5
9e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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\Users\Admin\AppData\Local\Temp\8093A008\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\8093A008\nss3.dllMD5
556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
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\Users\Admin\AppData\Local\Temp\8093A008\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\Local\Temp\nsa15B1.tmp\ge3yctd6.dllMD5
f1cedde91ebe056abd69f67183c804d8
SHA1f6e712668a232edcc23bd51ca19ea182a9bcefe4
SHA25623aa7b116a2bc8aec8537a35348f049bea4d75ca4aaa8b2f1cbba0774b8f7a7b
SHA512c2fa199294dc5193f5bdfb048e494057f13b3211e79b0542bf5e41a707cf2c1486a432bec755c6818016c5153bbec657c1e5e926be0ef829d7322b23dcafc66f
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memory/1816-117-0x000000000041A684-mapping.dmp
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memory/1816-118-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3196-116-0x0000000002D81000-0x0000000002D83000-memory.dmpFilesize
8KB
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memory/3196-115-0x0000000002D80000-0x0000000002D81000-memory.dmpFilesize
4KB