Analysis
- max time kernel
87s - max time network
136s - platform
windows7_x64 - resource
win7v20201028 - submitted
19/11/2020, 07:20
General
- Target Machine drawing.exe
- Size 1.2MB
- Sample201119-tba7de3ebn
- SHA256 0728fd4058762cdab5e5366f0e353fc86437707048e0a5a915a1d2c433a67c7c
Malware Config
Extracted
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Protocol
smtp
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Host
bh-58.webhostbox.net
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Port
587
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Username
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Password
7213575aceACE@#
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 4 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.
- Adds Run key to start application 2 TTPs 1 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 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Machine drawing.exe"C:\Users\Admin\AppData\Local\Temp\Machine drawing.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Machine drawing.exe"C:\Users\Admin\AppData\Local\Temp\Machine drawing.exe"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Machine drawing.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/288-0-0x00000000740B0000-0x000000007479E000-memory.dmp
memory/288-1-0x00000000013D0000-0x00000000013D1000-memory.dmp
memory/288-3-0x0000000000BD0000-0x0000000000C60000-memory.dmp
memory/288-4-0x00000000005A0000-0x00000000005B6000-memory.dmp
memory/612-35-0x0000000006280000-0x0000000006281000-memory.dmp
memory/612-50-0x0000000006300000-0x0000000006301000-memory.dmp
memory/612-51-0x0000000006310000-0x0000000006311000-memory.dmp
memory/612-36-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/612-22-0x0000000005650000-0x0000000005651000-memory.dmp
memory/612-13-0x0000000074030000-0x000000007471E000-memory.dmp
memory/612-14-0x0000000001E10000-0x0000000001E11000-memory.dmp
memory/612-28-0x00000000060E0000-0x00000000060E1000-memory.dmp
memory/612-15-0x0000000004B30000-0x0000000004B31000-memory.dmp
memory/612-27-0x00000000056B0000-0x00000000056B1000-memory.dmp
memory/612-18-0x0000000002070000-0x0000000002071000-memory.dmp
memory/612-19-0x0000000002820000-0x0000000002821000-memory.dmp
memory/1512-7-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1512-17-0x00000000063A0000-0x000000000642D000-memory.dmp
memory/1512-16-0x0000000000640000-0x0000000000679000-memory.dmp
memory/1512-9-0x0000000074030000-0x000000007471E000-memory.dmp
memory/1512-8-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1512-5-0x0000000000400000-0x0000000000486000-memory.dmp