Analysis
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max time kernel
42s -
max time network
106s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
07-04-2021 06:01
General
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Target
Credit Advice -TT6635993652908.PDF.exe
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Size
737KB
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MD5
56a2f09870771b8312d1a9b10b6446aa
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SHA1
d1eae9e4ccf62b54f847aaec3e015251663cd06d
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SHA256
d1b9a434579f456d75afe539d5b100d21cd57115bdf946c684dd9ec4e02996aa
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SHA512
ad4c2f18b99f8259f2d2f3f9b8156376ea562db091077b9643f7f559d3ca947a32166358d6a973ce6b7116d18450004bc23cd5f18f2995bae1ec2a27b595575c
Malware Config
Extracted
azorult
http://alfawood.us/mkdgs/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
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Delays execution with timeout.exe 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Credit Advice -TT6635993652908.PDF.exe"C:\Users\Admin\AppData\Local\Temp\Credit Advice -TT6635993652908.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VtwhynVNWN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEAC3.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Credit Advice -TT6635993652908.PDF.exe"{path}"2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "Credit Advice -TT6635993652908.PDF.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exeC:\Windows\system32\timeout.exe 34⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpEAC3.tmpMD5
f3a893bb6cd1314100c329c9d972a219
SHA1b168409c8289c0086517247dd365bf789eea2822
SHA256431eca806fd96c74173de5a6fa162e1b935ffe0a176d9a462e56e52505deef5d
SHA5120a1c27886daed57507547b1d41981e3dcacb96872623d442ee7a4fbf1fde822405e234806af886faa8c13bdb800492a27c92721f2df8a0f711bc6623fe924c88
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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/744-17-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/744-16-0x000000000041A1F8-mapping.dmp
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memory/744-15-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1192-8-0x0000000004BF0000-0x0000000004BF1000-memory.dmpFilesize
4KB
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memory/1192-12-0x000000000AB90000-0x000000000ABE3000-memory.dmpFilesize
332KB
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memory/1192-11-0x00000000084F0000-0x0000000008591000-memory.dmpFilesize
644KB
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memory/1192-10-0x0000000004FF0000-0x0000000004FF5000-memory.dmpFilesize
20KB
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memory/1192-9-0x00000000082A0000-0x00000000082A1000-memory.dmpFilesize
4KB
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memory/1192-2-0x0000000073A80000-0x000000007416E000-memory.dmpFilesize
6.9MB
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memory/1192-7-0x0000000004C30000-0x0000000004C31000-memory.dmpFilesize
4KB
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memory/1192-6-0x0000000004C60000-0x0000000004C61000-memory.dmpFilesize
4KB
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memory/1192-5-0x0000000005160000-0x0000000005161000-memory.dmpFilesize
4KB
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memory/1192-3-0x0000000000310000-0x0000000000311000-memory.dmpFilesize
4KB
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memory/2796-13-0x0000000000000000-mapping.dmp
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memory/3808-23-0x0000000000000000-mapping.dmp
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memory/3940-22-0x0000000000000000-mapping.dmp