Analysis
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max time kernel
77s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
08-08-2022 13:58
Behavioral task
behavioral1
Sample
AU3_EXE.exe
Resource
win7-20220718-en
General
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Target
AU3_EXE.exe
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Size
112KB
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MD5
30bd4415b8698b02c6e39bd8f5343115
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SHA1
3541170096377e396d8991c0dbc128680e7365fd
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SHA256
46e43f0806085da66f4d9bcb7391a618977f5f9a0c6b612e2e02ba6b8e9d1011
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SHA512
f5cb883f0cee38600ebb0a8800bff8e0ef952dd63da27236d2c8e11478026a69296105e4bcaeb23141601126e017c3b21872542bd67a45d5b5d57b0a2eb263f5
Malware Config
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:
AU3_EXE.exepid process 3108 AU3_EXE.exe 3108 AU3_EXE.exe 3108 AU3_EXE.exe 3108 AU3_EXE.exe 3108 AU3_EXE.exe 3108 AU3_EXE.exe -
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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Drops file in System32 directory 2 IoCs
Processes:
svchost.exedescription ioc process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{F159CEE9-C331-495E-A2FA-A00E916364D1}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{40F01B75-5D03-4E93-8749-62F1F182A56A}.catalogItem svchost.exe -
Checks processor information in registry 2 TTPs 5 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
AU3_EXE.exesvchost.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 AU3_EXE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString AU3_EXE.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
AU3_EXE.exepid process 3108 AU3_EXE.exe 3108 AU3_EXE.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AU3_EXE.exe"C:\Users\Admin\AppData\Local\Temp\AU3_EXE.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3108
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1728
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
135KB
MD59e682f1eb98a9d41468fc3e50f907635
SHA185e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed
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Filesize
429KB
MD5109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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Filesize
1.2MB
MD5556ea09421a0f74d31c4c0a89a70dc23
SHA1f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA5122481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2
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Filesize
81KB
MD57587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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Filesize
81KB
MD57587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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Filesize
81KB
MD57587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f