Analysis
- max time kernel
150s - max time network
135s - platform
windows7_x64 - resource
win7v20210410 - submitted
16/04/2021, 05:38
General
- Target SHIPPING DOCUMENTS.exe
- Size 228KB
- Sample210416-fd5mcewlr6
- SHA256 d669d899b7cd236de403fd42807fffcf3600d5070d42e09e21f67ded211a504f
Malware Config
Extracted
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formbook
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4.1
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http://www.riceandginger.com/fcn/
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bellee-select.com
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unlock-motorola.com
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courtneyrunyon.com
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hnzywjz.com
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retrievingbest.net
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ayescarrental.com
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beyoutifulblessings.com
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heritagediscovery.net
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fasoum.com
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wbz.xyz
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lownak.com
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alinkarmay.com
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coffeyquiltco.com
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validdreamers.com
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yuksukcu.club
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buildnextfrc.com
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avantfarme.com
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xyfs360.com
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holisticpacific.com
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banejia.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 2 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). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 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 FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.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\SHIPPING DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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-
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\SysWOW64\netsh.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 DOCUMENTS.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1044-62-0x0000000002560000-0x0000000002561000-memory.dmp
memory/1044-63-0x0000000002561000-0x0000000002563000-memory.dmp
memory/1044-59-0x0000000075721000-0x0000000075723000-memory.dmp
memory/1156-64-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1156-65-0x0000000000770000-0x0000000000A73000-memory.dmp
memory/1156-66-0x00000000002D0000-0x00000000002E4000-memory.dmp
memory/1208-67-0x0000000005010000-0x0000000005131000-memory.dmp
memory/1208-74-0x0000000006FC0000-0x00000000070DE000-memory.dmp
memory/1348-70-0x0000000000B50000-0x0000000000B6B000-memory.dmp
memory/1348-71-0x0000000000080000-0x00000000000AE000-memory.dmp
memory/1348-72-0x0000000002100000-0x0000000002403000-memory.dmp
memory/1348-73-0x0000000001F70000-0x0000000002003000-memory.dmp