Analysis
- max time kernel
4294179s - max time network
157s - platform
windows7_x64 - resource
win7-20220311-en - submitted
20/03/2022, 02:39
General
- Target 0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720.exe
- Size 5.5MB
- Sample220320-c5lmxafdbq
- SHA256 0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720
Malware Config
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
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 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\0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720.exe"C:\Users\Admin\AppData\Local\Temp\0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720.exe"C:\Users\Admin\AppData\Local\Temp\0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720.exe"C:\Users\Admin\AppData\Local\Temp\0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720.exe"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
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\0cc24b8e311a128fec1325c66d975a8df6d35c7dd8777a6cc4eeb3e0f470b720.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/328-66-0x0000000000400000-0x0000000000486000-memory.dmp
memory/328-70-0x0000000000400000-0x0000000000486000-memory.dmp
memory/328-74-0x00000000010A5000-0x00000000010B6000-memory.dmp
memory/328-68-0x0000000000400000-0x0000000000486000-memory.dmp
memory/328-58-0x0000000000400000-0x0000000000486000-memory.dmp
memory/328-60-0x0000000000400000-0x0000000000486000-memory.dmp
memory/328-62-0x0000000000400000-0x0000000000486000-memory.dmp
memory/328-64-0x0000000000400000-0x0000000000486000-memory.dmp
memory/328-72-0x00000000010A0000-0x00000000010A1000-memory.dmp
memory/328-71-0x0000000073950000-0x000000007403E000-memory.dmp
memory/1452-73-0x0000000075611000-0x0000000075613000-memory.dmp
memory/1452-75-0x000000006E990000-0x000000006EF3B000-memory.dmp
memory/1452-76-0x00000000022D0000-0x0000000002F1A000-memory.dmp
memory/1452-77-0x000000006E990000-0x000000006EF3B000-memory.dmp
memory/1452-78-0x00000000022D0000-0x0000000002F1A000-memory.dmp
memory/1644-57-0x0000000000CC0000-0x0000000000CC1000-memory.dmp
memory/1644-54-0x00000000012B0000-0x000000000183A000-memory.dmp
memory/1644-55-0x0000000074040000-0x000000007472E000-memory.dmp
memory/1644-56-0x0000000000A30000-0x0000000000ABC000-memory.dmp