Analysis
- max time kernel
147s - max time network
114s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 06:02
General
- Target Price list pdf.exe
- Size 766KB
- Sample210331-kgkzkr16d2
- SHA256 3df2cc414d6cef0d973d0f47141a13be183a9da46e0455940affe5d24b9c2f9f
Malware Config
Extracted
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formbook
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http://www.gloomyca.com/chue/
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hairdewproducts.com
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whssboys.net
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visual-promotions.com
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alsgotyaexteriorcleaning.com
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conwayconsultant.com
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sjlartistrydesign.info
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organicroomservice.com
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elatedscents.com
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selfauthering.com
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variablemonsters.com
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thedietcop.com
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openhouseshamptonroads.com
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tyrantthemes.com
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trumppowercatamarans.com
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yznx.xyz
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jshfoodpantry.com
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larmealoeil.com
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biztradelines.com
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axawinterthur.sucks
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inspiredtravels.net
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 15 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Price list pdf.exe"C:\Users\Admin\AppData\Local\Temp\Price list pdf.exe"2⤵
- Suspicious use of SetThreadContext
- 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\epXRiuZsztxe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF657.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Price list pdf.exe"C:\Users\Admin\AppData\Local\Temp\Price list pdf.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3108-21-0x0000000006BC0000-0x0000000006D09000-memory.dmp
memory/3132-29-0x00000000011B0000-0x0000000001243000-memory.dmp
memory/3132-28-0x0000000005450000-0x0000000005770000-memory.dmp
memory/3132-26-0x00000000012B0000-0x00000000012BA000-memory.dmp
memory/3132-27-0x0000000000970000-0x000000000099E000-memory.dmp
memory/3276-15-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3276-19-0x00000000018D0000-0x00000000018E4000-memory.dmp
memory/3276-18-0x00000000019C0000-0x0000000001CE0000-memory.dmp
memory/4348-31-0x00007FF6D4FF0000-0x00007FF6D5083000-memory.dmp
memory/4348-32-0x0000023F76760000-0x0000023F76872000-memory.dmp
memory/4652-9-0x0000000005920000-0x0000000005921000-memory.dmp
memory/4652-11-0x00000000057F0000-0x00000000057F9000-memory.dmp
memory/4652-8-0x00000000057D0000-0x00000000057D1000-memory.dmp
memory/4652-7-0x0000000005810000-0x0000000005811000-memory.dmp
memory/4652-6-0x0000000005D10000-0x0000000005D11000-memory.dmp
memory/4652-5-0x0000000005730000-0x0000000005731000-memory.dmp
memory/4652-3-0x0000000000DA0000-0x0000000000DA1000-memory.dmp
memory/4652-2-0x0000000073E30000-0x000000007451E000-memory.dmp
memory/4652-10-0x0000000005A00000-0x0000000005A01000-memory.dmp
memory/4652-12-0x0000000006310000-0x000000000636B000-memory.dmp