Analysis
- max time kernel
127s - max time network
130s - platform
windows10_x64 - resource
win10v20210410 - submitted
27/04/2021, 18:13
General
- Target 63ad140fe517d76461dd8f735784438e63cfd501e54a13317721141527aa35e7.exe
- Size 21KB
- Sample210427-d7g8adkhee
- SHA256 63ad140fe517d76461dd8f735784438e63cfd501e54a13317721141527aa35e7
Malware Config
Extracted
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azorult
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http://195.245.112.115/index.php
Signatures
- Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
- Loads dropped DLL 4 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 2 IoCs
- Suspicious behavior: EnumeratesProcesses 20 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\63ad140fe517d76461dd8f735784438e63cfd501e54a13317721141527aa35e7.exe"C:\Users\Admin\AppData\Local\Temp\63ad140fe517d76461dd8f735784438e63cfd501e54a13317721141527aa35e7.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 13⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\Temp\63ad140fe517d76461dd8f735784438e63cfd501e54a13317721141527aa35e7.exe"C:\Users\Admin\AppData\Local\Temp\63ad140fe517d76461dd8f735784438e63cfd501e54a13317721141527aa35e7.exe"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 "63ad140fe517d76461dd8f735784438e63cfd501e54a13317721141527aa35e7.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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 18642⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3428-124-0x0000000000400000-0x0000000000437000-memory.dmp
memory/3428-122-0x0000000000400000-0x0000000000437000-memory.dmp
memory/3656-121-0x0000000006DA0000-0x0000000006DA1000-memory.dmp
memory/3656-114-0x0000000000170000-0x0000000000171000-memory.dmp
memory/3656-118-0x00000000022E0000-0x0000000002330000-memory.dmp
memory/3656-117-0x00000000023A0000-0x00000000023A1000-memory.dmp
memory/3656-116-0x0000000004A50000-0x0000000004A51000-memory.dmp