Analysis
- max time kernel
4294179s - max time network
143s - platform
windows7_x64 - resource
win7-20220311-en - submitted
20/03/2022, 00:58
General
- Target 2de28a8bb0865b0d378c409279bc68671b2f8ca916a6fa54a1488542810cc0c1.exe
- Size 1002KB
- Sample220320-bbqjbsdfcn
- SHA256 2de28a8bb0865b0d378c409279bc68671b2f8ca916a6fa54a1488542810cc0c1
Malware Config
Extracted
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Protocol
smtp
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Host
smtp.gmail.com
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Port
587
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Username
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Password
ayocj@2021
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 5 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2de28a8bb0865b0d378c409279bc68671b2f8ca916a6fa54a1488542810cc0c1.exe"C:\Users\Admin\AppData\Local\Temp\2de28a8bb0865b0d378c409279bc68671b2f8ca916a6fa54a1488542810cc0c1.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dAojOEJLIk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3331.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\2de28a8bb0865b0d378c409279bc68671b2f8ca916a6fa54a1488542810cc0c1.exe"{path}"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2de28a8bb0865b0d378c409279bc68671b2f8ca916a6fa54a1488542810cc0c1.exe'3⤵
- 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/544-76-0x00000000760A1000-0x00000000760A3000-memory.dmp
memory/544-83-0x00000000025B0000-0x00000000031FA000-memory.dmp
memory/544-82-0x00000000025B0000-0x00000000031FA000-memory.dmp
memory/544-81-0x000000006EF90000-0x000000006F53B000-memory.dmp
memory/544-80-0x00000000025B0000-0x00000000031FA000-memory.dmp
memory/544-79-0x000000006EF90000-0x000000006F53B000-memory.dmp
memory/1572-71-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1572-78-0x0000000000535000-0x0000000000546000-memory.dmp
memory/1572-65-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1572-67-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1572-69-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1572-63-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1572-73-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1572-74-0x0000000074860000-0x0000000074F4E000-memory.dmp
memory/1572-75-0x0000000000530000-0x0000000000531000-memory.dmp
memory/1572-61-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1572-77-0x0000000006600000-0x0000000006690000-memory.dmp
memory/1760-54-0x0000000000BD0000-0x0000000000CD0000-memory.dmp
memory/1760-59-0x0000000006A00000-0x0000000006AC2000-memory.dmp
memory/1760-58-0x00000000005B0000-0x00000000005C4000-memory.dmp
memory/1760-57-0x0000000004A20000-0x0000000004A21000-memory.dmp
memory/1760-56-0x0000000004920000-0x00000000049D0000-memory.dmp
memory/1760-55-0x0000000074860000-0x0000000074F4E000-memory.dmp