Analysis
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max time kernel
47s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
09-11-2020 15:55
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
427KB
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MD5
8838322af612fcaba473a4975508260f
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SHA1
493534304f0427e21767ffcc49f7b129bf9aaf5f
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SHA256
b8785cf36b5e0484421c850c1bca6018b3e1885b6383db7fa3381ef095c5343b
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SHA512
59d9849006f7fea3f932a3290683bd3a06f20560618b311419057d7c564f096cb5de91cf88545b04e325d881129069e88d80699c4a047ebc5f2a9d7363ef2a6a
Malware Config
Extracted
azorult
http://82.223.120.84/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 6 IoCs
Processes:
Invoice.exepid process 3932 Invoice.exe 3932 Invoice.exe 3932 Invoice.exe 3932 Invoice.exe 3932 Invoice.exe 3932 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 3968 set thread context of 3932 3968 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Invoice.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Invoice.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Invoice.exepid process 3932 Invoice.exe 3932 Invoice.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Invoice.exedescription pid process target process PID 3968 wrote to memory of 3932 3968 Invoice.exe Invoice.exe PID 3968 wrote to memory of 3932 3968 Invoice.exe Invoice.exe PID 3968 wrote to memory of 3932 3968 Invoice.exe Invoice.exe PID 3968 wrote to memory of 3932 3968 Invoice.exe Invoice.exe PID 3968 wrote to memory of 3932 3968 Invoice.exe Invoice.exe PID 3968 wrote to memory of 3932 3968 Invoice.exe Invoice.exe PID 3968 wrote to memory of 3932 3968 Invoice.exe Invoice.exe PID 3968 wrote to memory of 3932 3968 Invoice.exe Invoice.exe PID 3968 wrote to memory of 3932 3968 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 use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Invoice.exe"{path}"2⤵
- Loads dropped DLL
- 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\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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\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\Local\Temp\2fda\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/3932-10-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3932-12-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3932-11-0x000000000041A1F8-mapping.dmp
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memory/3968-5-0x0000000007670000-0x0000000007671000-memory.dmpFilesize
4KB
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memory/3968-9-0x0000000008B50000-0x0000000008B51000-memory.dmpFilesize
4KB
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memory/3968-8-0x0000000008A60000-0x0000000008AA7000-memory.dmpFilesize
284KB
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memory/3968-7-0x00000000078C0000-0x00000000078D4000-memory.dmpFilesize
80KB
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memory/3968-6-0x0000000008530000-0x0000000008531000-memory.dmpFilesize
4KB
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memory/3968-0-0x00000000738E0000-0x0000000073FCE000-memory.dmpFilesize
6.9MB
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memory/3968-4-0x00000000076A0000-0x00000000076A1000-memory.dmpFilesize
4KB
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memory/3968-3-0x0000000007B00000-0x0000000007B01000-memory.dmpFilesize
4KB
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memory/3968-1-0x0000000000900000-0x0000000000901000-memory.dmpFilesize
4KB