Analysis
- max time kernel
131s - max time network
142s - platform
windows10_x64 - resource
win10v20201028 - submitted
10/11/2020, 11:14
General
- Target 67d57f842b1c8a60c0acee47d2332a3550a51a88d4a17734542d3dc70364da8b.exe
- Size 1023KB
- Sample201110-lh2npyhs5s
- SHA256 67d57f842b1c8a60c0acee47d2332a3550a51a88d4a17734542d3dc70364da8b
Malware Config
Extracted
-
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\67d57f842b1c8a60c0acee47d2332a3550a51a88d4a17734542d3dc70364da8b.exe"C:\Users\Admin\AppData\Local\Temp\67d57f842b1c8a60c0acee47d2332a3550a51a88d4a17734542d3dc70364da8b.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\67d57f842b1c8a60c0acee47d2332a3550a51a88d4a17734542d3dc70364da8b.exe"C:\Users\Admin\AppData\Local\Temp\67d57f842b1c8a60c0acee47d2332a3550a51a88d4a17734542d3dc70364da8b.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
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Downloads
memory/648-0-0x0000000000400000-0x0000000000506000-memory.dmp
memory/1476-12-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1476-10-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1836-6-0x00000000022A2000-0x00000000022A3000-memory.dmp
memory/1836-5-0x0000000002340000-0x00000000023C8000-memory.dmp
memory/1836-4-0x0000000000400000-0x000000000051D000-memory.dmp
memory/1836-3-0x0000000000400000-0x000000000051D000-memory.dmp
memory/1836-1-0x0000000000400000-0x000000000051D000-memory.dmp
memory/2212-7-0x0000000000400000-0x000000000041B000-memory.dmp
memory/2212-9-0x0000000000400000-0x000000000041B000-memory.dmp