Analysis
- max time kernel
150s - max time network
138s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
15/08/2023, 12:00
General
- Target Kaas Order 2023 pdf.exe
- Size 237KB
- Sample230815-n6a4caae75
- SHA256 ce4adf5f77ad3bf554ee6727abfe3c82e49ac5097e4e8d50ba2faba0d05b9c1d
Malware Config
Extracted
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formbook
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4.1
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sn26
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resenha10.bet
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gulshan-rajput.com
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xbus.tech
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z813my.cfd
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wlxzjlny.cfd
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auntengotiempo.com
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canada-reservation.com
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thegiftcompany.shop
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esthersilveirapropiedades.com
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1wapws.top
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ymjblnvo.cfd
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termokimik.net
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kushiro-artist-school.com
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bmmboo.com
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caceresconstructionservices.com
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kentuckywalkabout.com
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bringyourcart.com
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miamiwinetour.com
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bobcatsocial.site
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thirdmind.network
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Kaas Order 2023 pdf.exe"C:\Users\Admin\AppData\Local\Temp\Kaas Order 2023 pdf.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Kaas Order 2023 pdf.exe"C:\Users\Admin\AppData\Local\Temp\Kaas Order 2023 pdf.exe"3⤵
- 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⤵
- 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\Kaas Order 2023 pdf.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
omlddmu.dll
omlddmu.dll
memory/1244-83-0x0000000006160000-0x000000000621E000-memory.dmp
memory/1244-79-0x0000000002960000-0x0000000002A60000-memory.dmp
memory/1244-76-0x0000000006940000-0x0000000006AD0000-memory.dmp
memory/1244-80-0x0000000006160000-0x000000000621E000-memory.dmp
memory/1244-81-0x0000000006160000-0x000000000621E000-memory.dmp
memory/1244-66-0x0000000002960000-0x0000000002A60000-memory.dmp
memory/1244-68-0x0000000006940000-0x0000000006AD0000-memory.dmp
memory/1968-62-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1968-67-0x0000000000480000-0x0000000000495000-memory.dmp
memory/1968-65-0x0000000000400000-0x000000000042F000-memory.dmp
memory/1968-63-0x0000000000700000-0x0000000000A03000-memory.dmp
memory/2652-61-0x0000000001C50000-0x0000000001C52000-memory.dmp
memory/2968-71-0x00000000009F0000-0x00000000009F6000-memory.dmp
memory/2968-78-0x0000000000490000-0x0000000000524000-memory.dmp
memory/2968-75-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2968-74-0x0000000000A00000-0x0000000000D03000-memory.dmp
memory/2968-73-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2968-70-0x00000000009F0000-0x00000000009F6000-memory.dmp