Analysis
- max time kernel
158s - max time network
167s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
08/05/2022, 06:35
General
- Target 1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe
- Size 894KB
- Sample220508-hcshmscecr
- SHA256 1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 1 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 42 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 15 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe"C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.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\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe"C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe"C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe"C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe"C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.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
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.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
1b72f8db1f826891855edc0d1ad297b33c09141c99ef18591bb0a514c4221e42.exe.log
memory/1640-151-0x0000000006E30000-0x0000000006E4E000-memory.dmp
memory/1640-150-0x000000006FAB0000-0x000000006FAFC000-memory.dmp
memory/1640-158-0x0000000007B80000-0x0000000007B88000-memory.dmp
memory/1640-157-0x0000000007E10000-0x0000000007E2A000-memory.dmp
memory/1640-145-0x0000000005B90000-0x00000000061B8000-memory.dmp
memory/1640-156-0x0000000007DE0000-0x0000000007DEE000-memory.dmp
memory/1640-155-0x0000000007E30000-0x0000000007EC6000-memory.dmp
memory/1640-144-0x0000000002F70000-0x0000000002FA6000-memory.dmp
memory/1640-153-0x0000000006AD0000-0x0000000006AEA000-memory.dmp
memory/1640-152-0x00000000081E0000-0x000000000885A000-memory.dmp
memory/1640-149-0x0000000006E60000-0x0000000006E92000-memory.dmp
memory/1640-148-0x0000000005640000-0x000000000565E000-memory.dmp
memory/1640-154-0x0000000007C00000-0x0000000007C0A000-memory.dmp
memory/1640-147-0x0000000005A60000-0x0000000005AC6000-memory.dmp
memory/1640-146-0x00000000059C0000-0x00000000059E2000-memory.dmp
memory/3344-132-0x000000000A810000-0x000000000A8A2000-memory.dmp
memory/3344-130-0x0000000000480000-0x0000000000566000-memory.dmp
memory/3344-131-0x000000000AC20000-0x000000000B1C4000-memory.dmp
memory/3344-134-0x000000000A780000-0x000000000A78A000-memory.dmp
memory/3344-133-0x000000000A8B0000-0x000000000A94C000-memory.dmp
memory/4160-141-0x0000000006830000-0x0000000006896000-memory.dmp
memory/4160-143-0x00000000071C0000-0x0000000007210000-memory.dmp
memory/4160-139-0x0000000000400000-0x0000000000486000-memory.dmp