Analysis
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max time kernel
33s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
20-01-2021 14:41
Static task
static1
Behavioral task
behavioral1
Sample
fa138b74e9f19e6d0efac8bdc3af8931.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
fa138b74e9f19e6d0efac8bdc3af8931.exe
Resource
win10v20201028
General
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Target
fa138b74e9f19e6d0efac8bdc3af8931.exe
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Size
682KB
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MD5
fa138b74e9f19e6d0efac8bdc3af8931
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SHA1
bd1e9ec33216f51daec93367f69773b9972f9da4
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SHA256
83ee84084d628a921bd29b547f6767e17d8cd89a6132f9d717d5ccab7da72fbd
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SHA512
8cdcef53cb62e65f1617ab55988295eb4ce5e0fdb283add469765325137684b5db60a72c8ec2bda6d4a6edeab22859392d77cea346dcb136ef20e625dbb13f91
Malware Config
Extracted
azorult
http://195.245.112.115/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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Executes dropped EXE 1 IoCs
Processes:
AddInProcess32.exepid process 4044 AddInProcess32.exe -
Loads dropped DLL 6 IoCs
Processes:
AddInProcess32.exepid process 4044 AddInProcess32.exe 4044 AddInProcess32.exe 4044 AddInProcess32.exe 4044 AddInProcess32.exe 4044 AddInProcess32.exe 4044 AddInProcess32.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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\CE87CE80\nss3.dll js -
Suspicious use of SetThreadContext 1 IoCs
Processes:
fa138b74e9f19e6d0efac8bdc3af8931.exedescription pid process target process PID 3888 set thread context of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AddInProcess32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString AddInProcess32.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AddInProcess32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
fa138b74e9f19e6d0efac8bdc3af8931.exeAddInProcess32.exepid process 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe 4044 AddInProcess32.exe 4044 AddInProcess32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
fa138b74e9f19e6d0efac8bdc3af8931.exedescription pid process Token: SeDebugPrivilege 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
fa138b74e9f19e6d0efac8bdc3af8931.exedescription pid process target process PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe PID 3888 wrote to memory of 4044 3888 fa138b74e9f19e6d0efac8bdc3af8931.exe AddInProcess32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fa138b74e9f19e6d0efac8bdc3af8931.exe"C:\Users\Admin\AppData\Local\Temp\fa138b74e9f19e6d0efac8bdc3af8931.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"2⤵
- Executes dropped EXE
- 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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C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exeMD5
6a673bfc3b67ae9782cb31af2f234c68
SHA17544e89566d91e84e3cd437b9a073e5f6b56566e
SHA256978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e
SHA51272c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39
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\Users\Admin\AppData\Local\Temp\CE87CE80\mozglue.dllMD5
9e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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\Users\Admin\AppData\Local\Temp\CE87CE80\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\CE87CE80\nss3.dllMD5
556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
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\Users\Admin\AppData\Local\Temp\CE87CE80\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\Local\Temp\CE87CE80\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\Local\Temp\CE87CE80\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/3888-8-0x0000000007610000-0x0000000007611000-memory.dmpFilesize
4KB
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memory/3888-11-0x00000000046B0000-0x00000000046B1000-memory.dmpFilesize
4KB
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memory/3888-12-0x0000000002521000-0x0000000002522000-memory.dmpFilesize
4KB
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memory/3888-10-0x0000000008090000-0x000000000809B000-memory.dmpFilesize
44KB
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memory/3888-9-0x0000000002520000-0x0000000002521000-memory.dmpFilesize
4KB
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memory/3888-2-0x0000000073A20000-0x000000007410E000-memory.dmpFilesize
6.9MB
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memory/3888-7-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB
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memory/3888-6-0x0000000004C20000-0x0000000004C3E000-memory.dmpFilesize
120KB
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memory/3888-5-0x0000000004C90000-0x0000000004C91000-memory.dmpFilesize
4KB
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memory/3888-3-0x0000000000390000-0x0000000000391000-memory.dmpFilesize
4KB
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memory/4044-13-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/4044-14-0x000000000041A684-mapping.dmp
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memory/4044-16-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB