Analysis
- max time kernel
151s - max time network
151s - platform
windows10_x64 - resource
win10v20210410 - submitted
29/07/2021, 11:45
General
- Target EoH35.PDF.exe
- Size 1.0MB
- Sample210729-mfphye7trx
- SHA256 aaa40ee2b509dc2b3a2f12f62d70565c85eb9aa13a7efd43bb86cfba0a3e1a88
Malware Config
Extracted
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xloader
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2.3
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http://www.ossotasarim.com/ushb/
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shopcavo.com
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spowerschool.com
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freekylerittenhouse.info
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wipe4all.com
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wounded-deer.com
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poetasamigosypensadores.com
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qteap.com
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car-bingo.com
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selbaje.com
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amigofincorp.com
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dirty-underwear.com
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theyongeseries.com
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watertreeinc.com
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gemmacarulla.com
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lauramagni.com
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darkfliks.com
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jjayphoto.com
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chinnanmotors.com
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intentionaltalentsolutions.com
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oxiaer.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
- CustAttr .NET packer 1 IoCs
Detects CustAttr .NET packer in memory.
- Xloader Payload 3 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 42 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\EoH35.PDF.exe"C:\Users\Admin\AppData\Local\Temp\EoH35.PDF.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\EoH35.PDF.exe"C:\Users\Admin\AppData\Local\Temp\EoH35.PDF.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\SysWOW64\cmd.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\EoH35.PDF.exe"3⤵
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1200-135-0x00000000039E0000-0x0000000003A6F000-memory.dmp
memory/1200-133-0x0000000003A80000-0x0000000003DA0000-memory.dmp
memory/1200-132-0x0000000002F70000-0x0000000002F98000-memory.dmp
memory/1200-131-0x0000000000F10000-0x0000000000F69000-memory.dmp
memory/1496-120-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
memory/1496-119-0x0000000003410000-0x0000000003411000-memory.dmp
memory/1496-122-0x00000000016B0000-0x00000000016BB000-memory.dmp
memory/1496-123-0x0000000007DF0000-0x0000000007E5F000-memory.dmp
memory/1496-124-0x00000000077C0000-0x00000000077EB000-memory.dmp
memory/1496-116-0x0000000005870000-0x0000000005871000-memory.dmp
memory/1496-117-0x0000000005E60000-0x0000000005E61000-memory.dmp
memory/1496-118-0x0000000005A00000-0x0000000005A01000-memory.dmp
memory/1496-121-0x0000000005960000-0x0000000005E5E000-memory.dmp
memory/1496-114-0x0000000000F50000-0x0000000000F51000-memory.dmp
memory/3052-129-0x0000000002E80000-0x0000000002F49000-memory.dmp
memory/3052-136-0x0000000006800000-0x0000000006917000-memory.dmp
memory/3288-128-0x0000000001180000-0x0000000001190000-memory.dmp
memory/3288-127-0x00000000011C0000-0x00000000014E0000-memory.dmp
memory/3288-125-0x0000000000400000-0x0000000000428000-memory.dmp