Analysis
- max time kernel
149s - max time network
146s - platform
windows7_x64 - resource
win7v20201028 - submitted
02/04/2021, 06:42
General
- Target REQUEST FOR QUOTATION.exe
- Size 639KB
- Sample210402-b85mfs63b6
- SHA256 5aa64b3eef03b9c837e37102be20cb4f537c524b2a2531bf1bf6dd6a02461d7e
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 29 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 6 IoCs
- Suspicious use of SendNotifyMessage 6 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\REQUEST FOR QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.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\REQUEST FOR QUOTATION.exe"C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.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\REQUEST FOR QUOTATION.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1108-11-0x0000000000970000-0x0000000000978000-memory.dmp
memory/1108-15-0x00000000006B0000-0x0000000000743000-memory.dmp
memory/1108-14-0x0000000000B10000-0x0000000000E13000-memory.dmp
memory/1108-12-0x0000000000080000-0x00000000000AE000-memory.dmp
memory/1248-16-0x0000000003CB0000-0x0000000003D5A000-memory.dmp
memory/1248-7-0x00000000068A0000-0x00000000069DC000-memory.dmp
memory/1720-9-0x0000000000770000-0x0000000000A73000-memory.dmp
memory/1720-6-0x00000000003E0000-0x00000000003F4000-memory.dmp
memory/1720-8-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1724-2-0x00000000761E1000-0x00000000761E3000-memory.dmp
memory/1724-5-0x00000000003E0000-0x00000000003E2000-memory.dmp