Analysis
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max time kernel
10s -
max time network
115s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
19-11-2020 08:21
Static task
static1
Behavioral task
behavioral1
Sample
Invoice.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Invoice.exe
Resource
win10v20201028
General
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Target
Invoice.exe
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Size
755KB
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MD5
987e79376fef2fcd21c4d81d36ded10d
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SHA1
217899f1fe428a3feabaa12c9834085592339639
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SHA256
4da8b73ba90d387baf8d806e2d40389e9bd5d32225b27ec8dc6f5a6352dadfd5
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SHA512
05252211f1fd44a0ff74c443ddf0e5cf22967b4b09843e9f720edf6da8b4bb0818c2bdc6941f2e66af4bbc8d59e7c29dfb4961df7ccfa583aa43bf496d79b393
Malware Config
Extracted
azorult
http://18.192.122.2/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:
Invoice.exepid process 1248 Invoice.exe 1248 Invoice.exe 1248 Invoice.exe 1248 Invoice.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\2fda\nss3.dll js -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Invoice.exedescription pid process target process PID 3980 set thread context of 1248 3980 Invoice.exe Invoice.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Invoice.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Invoice.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Invoice.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Invoice.exeInvoice.exepid process 3980 Invoice.exe 3980 Invoice.exe 1248 Invoice.exe 1248 Invoice.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Invoice.exepid process 3980 Invoice.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Invoice.exedescription pid process target process PID 3980 wrote to memory of 1248 3980 Invoice.exe Invoice.exe PID 3980 wrote to memory of 1248 3980 Invoice.exe Invoice.exe PID 3980 wrote to memory of 1248 3980 Invoice.exe Invoice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.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\2fda\mozglue.dllMD5
9e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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\Users\Admin\AppData\Local\Temp\2fda\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\2fda\nss3.dllMD5
556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
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\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/1248-1-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1248-2-0x000000000041A1F8-mapping.dmp
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memory/1248-3-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3980-0-0x0000000000400000-0x00000000004C3000-memory.dmpFilesize
780KB