Analysis
- max time kernel
149s - max time network
147s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:06
General
- Target Purchase order PO045793 from Voile Trading Co.,Ltd.exe
- Size 320KB
- Sample201109-1m1llb7k2a
- SHA256 c6bed06259f7c50c2b15e8161d5b1fa11690e69a7e5bb3261202debfb7d96708
Malware Config
Extracted
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formbook
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http://www.chilogae.com/mw9/
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buyaii.com
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zqdhrh.com
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essentialsrefined.com
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carbo-notifer.biz
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cpahitr.com
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westerntreasureseo.com
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prowrestlingevent.com
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hawthornbanksaves.com
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vinhomes2.info
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atriumindonesia.com
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crunchinessretonation.com
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masstorthedgefund.com
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stroy-staleks.com
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chinamarbleandtile.com
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tv16878.info
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hasegawa-takuma.com
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cuxiaomao.com
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umhhih.info
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ieml.education
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mwvllc.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 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
- 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 48 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 12 IoCs
- Suspicious use of UnmapMainImage 1 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 UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Purchase order PO045793 from Voile Trading Co.,Ltd.exe"C:\Users\Admin\AppData\Local\Temp\Purchase order PO045793 from Voile Trading Co.,Ltd.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\raserver.exe"C:\Windows\SysWOW64\raserver.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\Purchase order PO045793 from Voile Trading Co.,Ltd.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
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Downloads
memory/796-6-0x0000000005F80000-0x0000000006042000-memory.dmp
memory/796-5-0x0000000005F80000-0x00000000060A3000-memory.dmp
memory/796-3-0x0000000000BE0000-0x0000000000BFF000-memory.dmp
memory/796-2-0x0000000000BE0000-0x0000000000BFF000-memory.dmp
memory/988-0-0x0000000001087000-0x00000000010D8000-memory.dmp
memory/1476-8-0x00007FF6F77F0000-0x00007FF6F7883000-memory.dmp
memory/1476-9-0x00007FF6F77F0000-0x00007FF6F7883000-memory.dmp
memory/1476-10-0x00007FF6F77F0000-0x00007FF6F7883000-memory.dmp