Analysis
- max time kernel
145s - max time network
143s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:50
General
- Target PO7329HDDSF.exe
- Size 386KB
- Sample201109-wppmgph9le
- SHA256 af7b3fa36f4f307300ab9a8dc34806cdcf9fce5fe857e9f1b2ddc8e6def9f518
Malware Config
Extracted
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formbook
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http://www.chilogae.com/mw9/
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ukingdeals.com
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mrsstein.com
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lupicious.info
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alg-kuwait.com
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szmlhr.com
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news-hunts.com
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veiculon.com
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nonstops.top
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kylibrary.com
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thebudgetexplorers.com
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okinawaryoko.com
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shoecatel.com
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licenogy.com
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credoinnovation.com
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luneandcoco.com
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fashilaile.com
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x9pd1e0v.biz
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rucelka.com
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baby-productsnews.com
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trunfq1-oua.com
Signatures
- CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook Payload 3 IoCs
- rezer0 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- Adds policy Run key to start application 2 TTPs 2 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Program Files directory 1 IoCs
- 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 59 IoCs
- Suspicious behavior: MapViewOfSection 5 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\PO7329HDDSF.exe"C:\Users\Admin\AppData\Local\Temp\PO7329HDDSF.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\ziDuwOYKQQuzGT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3696.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PO7329HDDSF.exe"{path}"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⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- 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:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\PO7329HDDSF.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/208-17-0x00000000065C0000-0x000000000667F000-memory.dmp
memory/208-15-0x0000000001390000-0x000000000139A000-memory.dmp
memory/208-14-0x0000000001390000-0x000000000139A000-memory.dmp
memory/2364-11-0x0000000000400000-0x000000000042A000-memory.dmp
memory/3936-8-0x0000000006AE0000-0x0000000006AE1000-memory.dmp
memory/3936-7-0x00000000069E0000-0x0000000006A12000-memory.dmp
memory/3936-6-0x0000000006860000-0x0000000006863000-memory.dmp
memory/3936-0-0x0000000073300000-0x00000000739EE000-memory.dmp
memory/3936-5-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
memory/3936-4-0x0000000004DF0000-0x0000000004DF1000-memory.dmp
memory/3936-3-0x0000000005250000-0x0000000005251000-memory.dmp
memory/3936-1-0x0000000000520000-0x0000000000521000-memory.dmp