Analysis
- max time kernel
146s - max time network
137s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:52
General
- Target swift_pdf.exe
- Size 586KB
- Sample201109-386fzxc4da
- SHA256 67c174f4fdeb4a63472a22bb21de9d1b472da3521dcfa4ba8b285e25e1f1fa26
Malware Config
Extracted
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formbook
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http://www.spatren.com/99h/
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6l77-xoe-xhx-6s0.com
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pornotas.net
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yemeksiparisi24.com
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nizzylorde.com
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marshamarshcoaching.net
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aussiesilentmajority.net
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shuimuchunjin.com
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theigrec.com
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getpint.com
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nuesui.com
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askdrhart.com
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jgsw.info
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0pe273.com
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yakjg.com
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ozeristan.com
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hmsminer.com
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fionaruthguest.com
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xn--ryggsylen-p8a.com
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mep-automation.com
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onetakeband.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 1 IoCs
- 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 2 IoCs
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Suspicious use of SetThreadContext 2 IoCs
- Drops file in Program Files directory 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 44 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\swift_pdf.exe"C:\Users\Admin\AppData\Local\Temp\swift_pdf.exe"2⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\help.exe"C:\Windows\SysWOW64\help.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\swift_pdf.exe"3⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/984-0-0x0000000073310000-0x00000000739FE000-memory.dmp
memory/984-1-0x0000000000F50000-0x0000000000F51000-memory.dmp
memory/984-3-0x0000000005820000-0x000000000588B000-memory.dmp
memory/984-4-0x0000000005890000-0x00000000058E0000-memory.dmp
memory/984-5-0x0000000005EF0000-0x0000000005EF1000-memory.dmp
memory/1132-13-0x00007FF7186B0000-0x00007FF718743000-memory.dmp
memory/1132-14-0x00007FF7186B0000-0x00007FF718743000-memory.dmp
memory/1132-15-0x00007FF7186B0000-0x00007FF718743000-memory.dmp
memory/1896-11-0x0000000006880000-0x00000000069CB000-memory.dmp
memory/1896-10-0x0000000004500000-0x00000000045AC000-memory.dmp
memory/1896-7-0x0000000000DB0000-0x0000000000DB7000-memory.dmp
memory/1896-8-0x0000000000DB0000-0x0000000000DB7000-memory.dmp