Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
11-08-2024 10:57
General
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Target
file.exe
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Size
795KB
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MD5
244ff9e90106994d5a14add8e8483484
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SHA1
42a9a0fec6267a15752beb06d838ea21eaefed75
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SHA256
655d4b33dd95b286d546c78a9e26e33c3b16b779d5cfb41b62250cb059ae1301
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SHA512
3b727ab0e410ff276688196199bb29b26d87734c85f93181784a5e4170decfc7467aa02d1c178c81e1fddd37638567af1045e9c9f1d0bb689f53e18baf03f867
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SSDEEP
12288:QZpTV9DFHzw7NU0EXN0c1qRcDnftLEY2D94ymrdbWF9mrgxTmta6GNfnEHLmmJ0:ipTp+kPcRIftn2D94ymp6FqgxkGFaN
Malware Config
Signatures
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MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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MassLogger Main payload 1 IoCs
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- 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\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UXABia" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1C2E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD51ba78c7e6b24d279c09fcd00946d1edc
SHA1093e47e3b783d3528220ef3cf46a25b084889f1d
SHA256a48dc73f9cf3d3766e6ff5a1beda8be07f1f9ffb513ebea3baea590505dffe87
SHA51263100ea375347be4bc6b6842a35aef793fa19840492a7e208f527ff297bb533624b05e8d46847e9076d50badae93485ccd6d1639fa16d9f1fb0494cf5554eb74
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Filesize
7.7MB
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Filesize
584KB
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Filesize
624KB
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Filesize
816KB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
4KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
40KB
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Filesize
672KB
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Filesize
272KB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
320KB
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Filesize
704KB