Analysis
- max time kernel
103s - max time network
118s - platform
windows10_x64 - resource
win10v20201028 - submitted
18/12/2020, 09:28
General
- Target 0900S890000.exe
- Size 490KB
- Sample201218-q973ylttbj
- SHA256 ba427f33bcbc3f27a2bcecf21c044e115985dd0a43dbc66a7c0170854b44e39b
Malware Config
Extracted
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Protocol
smtp
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Host
mail.zavidovici.ba
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Port
587
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Username
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Password
12Opc21!
Signatures
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\0900S890000.exe"C:\Users\Admin\AppData\Local\Temp\0900S890000.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\f64179634be04d67b596ce4de9dda7d9.xml"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\f64179634be04d67b596ce4de9dda7d9.xml"3⤵
- Creates scheduled task(s)
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-
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C:\Users\Admin\AppData\Local\Temp\0900S890000.exe"C:\Users\Admin\AppData\Local\Temp\0900S890000.exe"2⤵
- 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/2140-13-0x0000000005BB0000-0x0000000005BB1000-memory.dmp
memory/2140-7-0x0000000073480000-0x0000000073B6E000-memory.dmp
memory/2140-3-0x0000000000400000-0x0000000000477000-memory.dmp
memory/2140-10-0x00000000053A0000-0x0000000005403000-memory.dmp
memory/2140-12-0x0000000005610000-0x0000000005611000-memory.dmp
memory/2140-14-0x00000000068D0000-0x00000000068D1000-memory.dmp
memory/2140-15-0x0000000006830000-0x0000000006831000-memory.dmp
memory/2140-16-0x00000000067F0000-0x00000000067F1000-memory.dmp
memory/4716-5-0x00000000033B0000-0x0000000003427000-memory.dmp