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12-09-2024 02:23
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240903-ws828asgnm 10Analysis
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max time kernel
485s -
max time network
1596s -
platform
windows10-1703_x64 -
resource
win10-20240611-en -
resource tags
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submitted
04-09-2024 00:09
General
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Target
Stealers/Masslogger/mouse_2.exe
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Size
984KB
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MD5
af8ab92992ccc4cc6a637953836edf93
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SHA1
ac17c77cae31fdfeb618b0083285ba869baf29fc
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SHA256
03968a3a5a7a880feefca31686fcfbed445080a0c06eda2b6d623757179b782c
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SHA512
9dc3bdfe45f9333d62ef3b0aaf3860a9ef1e94ced02ed0437d3ac2f96b3b9aacf6e621703f13d62f356bd50dec84cc3a3dc787a8a14c9ce0ceeed9ff63c45ad2
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SSDEEP
24576:iNg+tKkEYA7Gmvv/HGsvPw9vz/DrELE7VUH:0g4K7YA7vvRMbcLa
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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
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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 15 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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Suspicious use of SetThreadContext 1 IoCs
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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 3 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 5 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 11 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\Stealers\Masslogger\mouse_2.exe"C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\aqkfZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1553.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\Stealers\Masslogger\mouse_2.exe"{path}"2⤵
- 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
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5b4f7a6a57cb46d94b72410eb6a6d45a9
SHA169f3596ffa027202d391444b769ceea0ae14c5f7
SHA25623994ebe221a48ea16ebad51ae0d4b47ccd415ae10581f9405e588d4f6c2523b
SHA512be6da516e54c3a5b33ac2603137a2f8cf8445ff5961dd266faedf3627bae8979953d7ef305538df0151c609917a5b99bf5d023bdd32de50fd5c723950f90db5c
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Filesize
1KB
MD52af1dcbc20fa703134363a612ba92d45
SHA1d77a879674c910aafd997e21bc484e42013e6fc7
SHA2568c14e183153e6d1b6635f6c44688a728e9a831a41ec44a2c77b5acb17b3e90ed
SHA512728f32fbfd8668de6aa591b26f299825f73c2ee89b653509baa6a6ab437d61f755f0f7d60960eefb4339d44044b08fa3de91af4050229254c6472088911a51ad
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Filesize
624KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
584KB
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Filesize
40KB
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Filesize
32KB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
696KB
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Filesize
768KB
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Filesize
5.0MB
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Filesize
1008KB
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Filesize
672KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
272KB
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Filesize
408KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
320KB