Analysis
- max time kernel
149s - max time network
148s - platform
windows10_x64 - resource
win10v20201028 - submitted
11/11/2020, 11:29
General
- Target f59f15bba5a4fe8df9441253eda4e8f85f411bdbe492d9f39f23bbf7969bacd3.exe
- Size 1.1MB
- Sample201111-95x2zce27j
- SHA256 f59f15bba5a4fe8df9441253eda4e8f85f411bdbe492d9f39f23bbf7969bacd3
Malware Config
Extracted
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Protocol
smtp
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Host
smtp.casalsmd.com
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Port
587
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Username
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Password
Carolina123
Signatures
- HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f59f15bba5a4fe8df9441253eda4e8f85f411bdbe492d9f39f23bbf7969bacd3.exe"C:\Users\Admin\AppData\Local\Temp\f59f15bba5a4fe8df9441253eda4e8f85f411bdbe492d9f39f23bbf7969bacd3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f59f15bba5a4fe8df9441253eda4e8f85f411bdbe492d9f39f23bbf7969bacd3.exe"C:\Users\Admin\AppData\Local\Temp\f59f15bba5a4fe8df9441253eda4e8f85f411bdbe492d9f39f23bbf7969bacd3.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/684-9-0x0000000000400000-0x000000000041B000-memory.dmp
memory/684-7-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1148-0-0x0000000000400000-0x0000000000524000-memory.dmp
memory/2180-12-0x0000000000400000-0x0000000000458000-memory.dmp
memory/2180-10-0x0000000000400000-0x0000000000458000-memory.dmp
memory/3100-6-0x00000000023A2000-0x00000000023A3000-memory.dmp
memory/3100-5-0x0000000002300000-0x0000000002388000-memory.dmp
memory/3100-4-0x0000000000400000-0x000000000051D000-memory.dmp
memory/3100-3-0x0000000000400000-0x000000000051D000-memory.dmp
memory/3100-1-0x0000000000400000-0x000000000051D000-memory.dmp