Analysis
- max time kernel
150s - max time network
155s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
09/12/2022, 10:20
General
- Target Beyan bilgileri.exe
- Size 320KB
- Sample221209-mc4ccsch78
- SHA256 bcb4b428f2487d1dfc2d5f36fdd7f334e7915a5fad15f46835f6a8420002c327
Malware Config
Extracted
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formbook
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4.1
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tc10
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mwigyu.com
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sepuluholx.com
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nsdigitalagency.com
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horrorkore.com
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santaclaracoimbrakarate.com
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myeternalsummer.com
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laosmidnight-lotto.com
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haremp.xyz
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boyace.top
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unusualwithdrawal.com
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wildflowerkidsri.com
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backlitvps.dev
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topwellgas.com
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k3nnsworld3.com
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wanbang.xyz
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cntvc.net
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sjcamden.church
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pussit24.com
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claml.com
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statisticsturkey.com
Signatures
- Formbook
Formbook is a data stealing malware which is capable of stealing data.
- Formbook payload 4 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 3 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 26 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 17 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\Beyan bilgileri.exe"C:\Users\Admin\AppData\Local\Temp\Beyan bilgileri.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe"C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe" C:\Users\Admin\AppData\Local\Temp\juhfdccvz.zs3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe"C:\Users\Admin\AppData\Local\Temp\sxdjahtyxs.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\SysWOW64\netsh.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\sxdjahtyxs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
crqsdy.s
juhfdccvz.zs
sxdjahtyxs.exe
sxdjahtyxs.exe
sxdjahtyxs.exe
sxdjahtyxs.exe
sxdjahtyxs.exe
sxdjahtyxs.exe
memory/1220-54-0x0000000074D81000-0x0000000074D83000-memory.dmp
memory/1284-78-0x0000000004410000-0x00000000044E4000-memory.dmp
memory/1284-80-0x0000000004410000-0x00000000044E4000-memory.dmp
memory/1284-68-0x0000000006A30000-0x0000000006B52000-memory.dmp
memory/1284-70-0x0000000006C10000-0x0000000006D2D000-memory.dmp
memory/1440-79-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/1440-77-0x0000000000A50000-0x0000000000AE3000-memory.dmp
memory/1440-76-0x0000000002180000-0x0000000002483000-memory.dmp
memory/1440-73-0x0000000000D60000-0x0000000000D7B000-memory.dmp
memory/1440-74-0x0000000000080000-0x00000000000AF000-memory.dmp
memory/2016-66-0x0000000000810000-0x0000000000B13000-memory.dmp
memory/2016-72-0x0000000000400000-0x000000000042F000-memory.dmp
memory/2016-69-0x0000000000380000-0x0000000000394000-memory.dmp
memory/2016-67-0x00000000002B0000-0x00000000002C4000-memory.dmp
memory/2016-65-0x0000000000400000-0x000000000042F000-memory.dmp