Analysis
- max time kernel
146s - max time network
144s - platform
windows7_x64 - resource
win7-20220414-en - submitted
11/05/2022, 09:03
General
- Target berthing.exe
- Size 245KB
- Sample220511-kz15eagca3
- SHA256 40fbb07da69abd2e9af76579e314905103c73059c02b77c74adf81ab97eaa099
Malware Config
Extracted
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xloader
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2.5
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bs8f
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atmospheraglobal.com
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dontshootima.com
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bestofferusde.club
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yourdigitalboss.com
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breskizci.com
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myarrovacoastwebsite.com
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reasclerk.com
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efrovida.com
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wsmz.net
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upneett.com
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loefflerforgov.com
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noida.info
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trndystore.com
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arhaldar.online
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vivibanca.tech
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mykrema.com
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vseserialy.online
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ridgewayinsua.com
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heauxland.com
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bestcollegecourses.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 4 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 27 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 use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\berthing.exe"C:\Users\Admin\AppData\Local\Temp\berthing.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tvvmynz.exeC:\Users\Admin\AppData\Local\Temp\tvvmynz.exe C:\Users\Admin\AppData\Local\Temp\ckxzkd3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tvvmynz.exeC:\Users\Admin\AppData\Local\Temp\tvvmynz.exe C:\Users\Admin\AppData\Local\Temp\ckxzkd4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\msdt.exe"C:\Windows\SysWOW64\msdt.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\tvvmynz.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
ckxzkd
o1bnmup7v5rcbjh1kp
tvvmynz.exe
tvvmynz.exe
tvvmynz.exe
tvvmynz.exe
tvvmynz.exe
tvvmynz.exe
memory/1320-79-0x0000000006490000-0x00000000065D9000-memory.dmp
memory/1320-71-0x0000000003D10000-0x0000000003E3F000-memory.dmp
memory/1736-75-0x00000000000C0000-0x00000000000E9000-memory.dmp
memory/1736-78-0x0000000000AA0000-0x0000000000B30000-memory.dmp
memory/1736-76-0x00000000022A0000-0x00000000025A3000-memory.dmp
memory/1736-74-0x0000000000DA0000-0x0000000000E94000-memory.dmp
memory/1936-54-0x00000000757C1000-0x00000000757C3000-memory.dmp
memory/1992-64-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1992-70-0x0000000000460000-0x0000000000471000-memory.dmp
memory/1992-69-0x00000000008D0000-0x0000000000BD3000-memory.dmp
memory/1992-68-0x0000000000400000-0x0000000000429000-memory.dmp