Analysis
- max time kernel
4294210s - max time network
154s - platform
windows7_x64 - resource
win7-20220311-en - submitted
21/03/2022, 09:48
General
- Target kk.exe
- Size 241KB
- Sample220321-lssecsbdan
- SHA256 ca5e82085e4621747c2ffd1de555b0cdc47cac5934575ed3de39c3b7095e0421
Malware Config
Extracted
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xloader
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2.5
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iqof
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downssandblasting.online
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shopcongan.info
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financeservicesolutions.com
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ehiconao.com
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15beverlydrive.com
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happynize.net
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findzx.net
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kelly-peterson.xyz
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datalign-exchange.com
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kinemasterpro.pro
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amage.agency
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roleplayhr.com
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movingikea.com
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steinerikegeberg.com
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nikolashadow.com
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baumbestattung.net
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mms12.xyz
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cryptocurrencymarket.space
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colt.business
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neutralblocker.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- Xloader Payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 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.
- Suspicious behavior: EnumeratesProcesses 31 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\kk.exe"C:\Users\Admin\AppData\Local\Temp\kk.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\qkvhfs.exeC:\Users\Admin\AppData\Local\Temp\qkvhfs.exe C:\Users\Admin\AppData\Local\Temp\fjiwnck3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\qkvhfs.exeC:\Users\Admin\AppData\Local\Temp\qkvhfs.exe C:\Users\Admin\AppData\Local\Temp\fjiwnck4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.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\qkvhfs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/584-63-0x0000000000400000-0x0000000000429000-memory.dmp
memory/584-67-0x0000000000400000-0x0000000000429000-memory.dmp
memory/584-66-0x00000000008D0000-0x0000000000BD3000-memory.dmp
memory/584-68-0x0000000000330000-0x0000000000341000-memory.dmp
memory/1216-69-0x0000000004980000-0x0000000004AB0000-memory.dmp
memory/1216-75-0x0000000004360000-0x00000000043FF000-memory.dmp
memory/1620-71-0x0000000000FB0000-0x00000000010B4000-memory.dmp
memory/1620-72-0x00000000000C0000-0x00000000000E9000-memory.dmp
memory/1620-73-0x0000000000C10000-0x0000000000F13000-memory.dmp
memory/1620-74-0x0000000000A30000-0x0000000000AC0000-memory.dmp
memory/1996-54-0x0000000074C61000-0x0000000074C63000-memory.dmp