Analysis
- max time kernel
149s - max time network
132s - platform
windows10_x64 - resource
win10v20201028 - submitted
16/12/2020, 16:43
General
- Target shipping documentspdf.exe
- Size 652KB
- Sample201216-9pepce661a
- SHA256 da2b43b42246980530438667562ee8d128b2b748e817c03519157f9ba7a67ca2
Malware Config
Extracted
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formbook
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http://www.maggiesdelibellyllc.com/th7/
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general-gz.com
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amazonshopcustomer.info
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gcfsurf.com
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xn--12c8dea4ee0hn8d.com
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cleanoralbr.com
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cbdandhempsolutions.com
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baizhiruanjian.com
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wplm.online
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maidservicesnw.com
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apatoncreative.com
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rivercityshinerva.com
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thecommonroomph.com
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societymixersite.club
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yourbuildvideos.com
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budengzhao.com
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turnsee.site
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evangelistbillblount.com
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truegemsproperties.com
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kke789.com
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charmedfivetonine.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Windows directory 2 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 41 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\shipping documentspdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping documentspdf.exe"2⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mpZiuYpL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp28E5.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\shipping documentspdf.exe"C:\Users\Admin\AppData\Local\Temp\shipping documentspdf.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\control.exe"C:\Windows\SysWOW64\control.exe"2⤵
- Suspicious use of SetThreadContext
- 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\shipping documentspdf.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/548-8-0x00000000000F0000-0x0000000000110000-memory.dmp
memory/548-9-0x00000000000F0000-0x0000000000110000-memory.dmp
memory/548-11-0x0000000005410000-0x000000000558D000-memory.dmp
memory/3380-4-0x0000000000400000-0x000000000042E000-memory.dmp