Analysis
- max time kernel
150s - max time network
150s - platform
windows7_x64 - resource
win7v20201028 - submitted
06/04/2021, 05:32
General
- Target TT COPY.exe
- Size 223KB
- Sample210406-nrtcqd66qa
- SHA256 c69e54b704c7d7e94faa9c3ea2519eef344e1099aa99271833bc56cae00ab8af
Malware Config
Extracted
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formbook
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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 30 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 use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"C:\Users\Admin\AppData\Local\Temp\TT COPY.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\TT COPY.exe"C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"3⤵
- 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⤵
- 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\TT COPY.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/848-8-0x0000000000340000-0x0000000000354000-memory.dmp
memory/848-6-0x0000000000400000-0x000000000042E000-memory.dmp
memory/848-7-0x00000000008D0000-0x0000000000BD3000-memory.dmp
memory/1220-17-0x0000000004BD0000-0x0000000004C86000-memory.dmp
memory/1220-9-0x0000000006390000-0x000000000651B000-memory.dmp
memory/1864-5-0x00000000002F0000-0x00000000002F2000-memory.dmp
memory/1864-2-0x00000000760B1000-0x00000000760B3000-memory.dmp
memory/2020-14-0x0000000000080000-0x00000000000AE000-memory.dmp
memory/2020-15-0x0000000001F70000-0x0000000002273000-memory.dmp
memory/2020-16-0x00000000002B0000-0x0000000000343000-memory.dmp
memory/2020-13-0x0000000000400000-0x000000000041C000-memory.dmp