Analysis
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max time kernel
38s -
max time network
111s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
18-11-2020 12:19
Static task
static1
Behavioral task
behavioral1
Sample
PO#181120_pdf.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
PO#181120_pdf.exe
Resource
win10v20201028
General
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Target
PO#181120_pdf.exe
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Size
591KB
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MD5
b44d7c5f8bc1eee381699ae6027267b5
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SHA1
d47c587ce89d75e93d3fb434f545f4d70e0002c3
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SHA256
1464e7d26d44d7a83f057056954155a3bec0ee3dfebde5bea8e36945e735c79c
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SHA512
08b1ad833baa70fcf8d3d061a1f8b3a8c135d456b670779e259eeae57967a61e668b1d8cc9523cc37eea7d897f80ec618755a06b9443750a95714c057abbc8d7
Malware Config
Extracted
azorult
http://binatones.gq/felix/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:
PO#181120_pdf.exepid process 3492 PO#181120_pdf.exe 3492 PO#181120_pdf.exe 3492 PO#181120_pdf.exe 3492 PO#181120_pdf.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
PO#181120_pdf.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\mozillar = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\notepads\\mozillar.exe\"" PO#181120_pdf.exe -
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:
PO#181120_pdf.exedescription pid process target process PID 3988 set thread context of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
PO#181120_pdf.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 PO#181120_pdf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString PO#181120_pdf.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PO#181120_pdf.exePO#181120_pdf.exepid process 3988 PO#181120_pdf.exe 3988 PO#181120_pdf.exe 3492 PO#181120_pdf.exe 3492 PO#181120_pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO#181120_pdf.exedescription pid process Token: SeDebugPrivilege 3988 PO#181120_pdf.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
PO#181120_pdf.exedescription pid process target process PID 3988 wrote to memory of 3612 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3612 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3612 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe PID 3988 wrote to memory of 3492 3988 PO#181120_pdf.exe PO#181120_pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#181120_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO#181120_pdf.exe"1⤵
- Adds Run key to start application
- 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\PO#181120_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO#181120_pdf.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\PO#181120_pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO#181120_pdf.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\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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memory/3492-8-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3492-10-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/3492-9-0x000000000041A684-mapping.dmp
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memory/3988-4-0x0000000005520000-0x0000000005521000-memory.dmpFilesize
4KB
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memory/3988-7-0x0000000006F20000-0x0000000006F36000-memory.dmpFilesize
88KB
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memory/3988-6-0x0000000005820000-0x0000000005862000-memory.dmpFilesize
264KB
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memory/3988-5-0x0000000005610000-0x0000000005611000-memory.dmpFilesize
4KB
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memory/3988-0-0x00000000738E0000-0x0000000073FCE000-memory.dmpFilesize
6.9MB
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memory/3988-3-0x0000000005A20000-0x0000000005A21000-memory.dmpFilesize
4KB
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memory/3988-1-0x0000000000BE0000-0x0000000000BE1000-memory.dmpFilesize
4KB