Analysis
- max time kernel
137s - max time network
139s - platform
windows10_x64 - resource
win10 - submitted
17/10/2020, 06:47
General
- Target p773978.exe
- Size 991KB
- Sample201017-q4stb4ddcn
- SHA256 b49f4c0a41fe65d3e81919eae65adb01d493e08331e0e3652b30655d55170d52
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 2 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.
- 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\p773978.exe"C:\Users\Admin\AppData\Local\Temp\p773978.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\p773978.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\p773978.exe"{path}"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\p773978.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/2044-11-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2044-22-0x0000000006CA0000-0x0000000006CA1000-memory.dmp
memory/2044-19-0x0000000006350000-0x0000000006351000-memory.dmp
memory/2044-14-0x0000000073BA0000-0x000000007428E000-memory.dmp
memory/3676-9-0x0000000005EE0000-0x0000000005F78000-memory.dmp
memory/3676-1-0x0000000000220000-0x0000000000221000-memory.dmp
memory/3676-0-0x0000000073BA0000-0x000000007428E000-memory.dmp
memory/3676-10-0x00000000085D0000-0x0000000008665000-memory.dmp
memory/3676-7-0x0000000005880000-0x0000000005881000-memory.dmp
memory/3676-6-0x0000000005070000-0x0000000005071000-memory.dmp
memory/3676-5-0x0000000004CC0000-0x0000000004CC1000-memory.dmp
memory/3676-4-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/3676-3-0x0000000005080000-0x0000000005081000-memory.dmp
memory/3676-8-0x0000000005670000-0x0000000005674000-memory.dmp
memory/3972-26-0x0000000007330000-0x0000000007331000-memory.dmp
memory/3972-31-0x0000000007BE0000-0x0000000007BE1000-memory.dmp
memory/3972-25-0x00000000031B0000-0x00000000031B1000-memory.dmp
memory/3972-27-0x00000000079F0000-0x00000000079F1000-memory.dmp
memory/3972-28-0x0000000007AA0000-0x0000000007AA1000-memory.dmp
memory/3972-30-0x0000000007E90000-0x0000000007E91000-memory.dmp
memory/3972-24-0x0000000073BA0000-0x000000007428E000-memory.dmp
memory/3972-32-0x00000000085C0000-0x00000000085C1000-memory.dmp
memory/3972-33-0x0000000008450000-0x0000000008451000-memory.dmp
memory/3972-35-0x0000000009220000-0x0000000009253000-memory.dmp
memory/3972-42-0x0000000009200000-0x0000000009201000-memory.dmp
memory/3972-43-0x0000000009360000-0x0000000009361000-memory.dmp
memory/3972-44-0x0000000009780000-0x0000000009781000-memory.dmp
memory/3972-45-0x00000000096E0000-0x00000000096E1000-memory.dmp
memory/3972-47-0x00000000096C0000-0x00000000096C1000-memory.dmp