Analysis
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max time kernel
146s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 13:46
General
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Target
INVOICE09090.exe
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Size
2.0MB
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MD5
014c0a6998bc074852e5a1cb8262e7a2
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SHA1
bdc027bbb2bff2c8c1effbd2305154e6ec232eae
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SHA256
2c7989e0df0c62a6c561a72a5605bfd55d4006b84878b05dd50d22ce16776d7a
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SHA512
ac869275bf85429fe56f496866f27a25520c986790ac9d978ea5aa1f2dc81d365db9c9abc8961efce3fc326b70b3e3984900c2e4464171875ea9bba48310e3d5
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\EEB932C954\Log.txt
masslogger
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 60 IoCs
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MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
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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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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 25 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 4 IoCs
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Suspicious use of SendNotifyMessage 4 IoCs
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Suspicious use of WriteProcessMemory 5 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\INVOICE09090.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE09090.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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Filesize
704KB
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Filesize
704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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704KB
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Filesize
5.6MB
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624KB
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408KB
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584KB
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40KB
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320KB
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Filesize
1.3MB
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Filesize
1.3MB