Analysis
- max time kernel
147s - max time network
154s - platform
windows7_x64 - resource
win7 - submitted
24/06/2020, 13:37
General
- Target OFFICIAL WINNING NOTIFICATION LETTER.exe
- Size 886KB
- Sample200624-jb7cfdvx8e
- SHA256 0edc6218dec611e4dd00d3251ba2b3361d512f09dde595a8489639b9aa250ec9
Malware Config
Extracted
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Protocol
smtp
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Host
smtp.na-superhrd.com
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Port
587
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Username
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Password
Control84@
Signatures
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- 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
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- HawkEye
HawkEye is a malware kit that has seen continuous development since at least 2013.
- Adds Run entry to start application 2 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\OFFICIAL WINNING NOTIFICATION LETTER.exe"C:\Users\Admin\AppData\Local\Temp\OFFICIAL WINNING NOTIFICATION LETTER.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\Temp\OFFICIAL WINNING NOTIFICATION LETTER.exe"C:\Users\Admin\AppData\Local\Temp\OFFICIAL WINNING NOTIFICATION LETTER.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Adds Run entry to start application
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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⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1372-11-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1372-13-0x0000000000400000-0x0000000000458000-memory.dmp
memory/1464-6-0x0000000000330000-0x00000000003B3000-memory.dmp
memory/1464-5-0x0000000000292000-0x0000000000293000-memory.dmp
memory/1464-0-0x0000000000400000-0x000000000051D000-memory.dmp
memory/1464-4-0x0000000001E40000-0x0000000001EC8000-memory.dmp
memory/1464-3-0x0000000000400000-0x000000000051D000-memory.dmp
memory/1464-2-0x0000000000400000-0x000000000051D000-memory.dmp
memory/1868-8-0x0000000000400000-0x000000000041B000-memory.dmp
memory/1868-10-0x0000000000400000-0x000000000041B000-memory.dmp