Analysis
- max time kernel
149s - max time network
130s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
14/07/2023, 12:18
General
- Target Dekont.exe
- Size 262KB
- Sample230714-pgmlhsed9y
- SHA256 4061f4ecc5f9ea83a7f8f3c084b3999dae002d26c1dc62d7ddecd2c5f21a26c2
Malware Config
Extracted
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formbook
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4.1
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mh04
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2027reviews.com
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spark-neon.com
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8621981.com
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quikdrawpublishing.com
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akxqpalosejuice.com
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biorestore-completeus.com
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buyreiaz.com
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beforevintagefurniture.com
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ktwa10.com
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5196926058.com
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rksyss.com
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tzyl343.com
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kozmikkix.com
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annarborcreativelabs.com
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lepacificateur.com
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pinsacduphong.com
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labanquequivouslerendbien.com
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sgnanda.com
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theemechanics.com
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solanasaga.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 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).
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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 WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Dekont.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.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\Dekont.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.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\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\Dekont.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
xzyot.dll
memory/1256-68-0x0000000007150000-0x00000000072CF000-memory.dmp
memory/1256-83-0x0000000007350000-0x000000000746F000-memory.dmp
memory/1256-81-0x0000000007350000-0x000000000746F000-memory.dmp
memory/1256-80-0x0000000007350000-0x000000000746F000-memory.dmp
memory/1256-79-0x0000000004BC0000-0x0000000004CC0000-memory.dmp
memory/1256-76-0x0000000007150000-0x00000000072CF000-memory.dmp
memory/1644-75-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/1644-70-0x00000000005D0000-0x00000000005D9000-memory.dmp
memory/1644-72-0x00000000005D0000-0x00000000005D9000-memory.dmp
memory/1644-73-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/1644-74-0x0000000002140000-0x0000000002443000-memory.dmp
memory/1644-78-0x0000000001F10000-0x0000000001FA3000-memory.dmp
memory/2480-62-0x00000000746C0000-0x00000000746D3000-memory.dmp
memory/2480-60-0x00000000746C0000-0x00000000746D3000-memory.dmp
memory/2564-67-0x0000000000260000-0x0000000000274000-memory.dmp
memory/2564-65-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2564-63-0x0000000000700000-0x0000000000A03000-memory.dmp
memory/2564-61-0x0000000000400000-0x000000000042F000-memory.dmp