Analysis
- max time kernel
149s - max time network
152s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
14/01/2022, 09:17
General
- Target commercial invoice_010202201.exe
- Size 238KB
- Sample220114-k84xnafdc2
- SHA256 73f458d7e38ab748b7b7d3b3e680db9eb08d845c1b1b7c935a6ee453d8f03358
Malware Config
Extracted
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xloader
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2.5
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igwa
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listingswithalex.com
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funtabse.com
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aydenwalling.com
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prochal.net
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superfoodsnederland.com
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moldluck.com
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dianekgordon.store
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regionalhomescommercial.com
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mysecuritymadesimple.com
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malwaremastery.com
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kodaikeiko.com
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jrzg996.com
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agricurve.net
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songlingjiu.com
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virginianundahfishingclub.com
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friendschance.com
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pastelpresents.com
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answertitles.com
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survival-hunter.com
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nxfddl.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 4 IoCs
- Loads dropped DLL 1 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 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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 WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe"C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe"C:\Users\Admin\AppData\Local\Temp\commercial invoice_010202201.exe"3⤵
- 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\commercial invoice_010202201.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1204-130-0x0000000004F70000-0x0000000005000000-memory.dmp
memory/1204-129-0x00000000050C0000-0x00000000053E0000-memory.dmp
memory/1204-127-0x0000000000E90000-0x000000000118C000-memory.dmp
memory/1204-128-0x00000000031F0000-0x0000000003219000-memory.dmp
memory/2744-119-0x0000000000A40000-0x0000000000D60000-memory.dmp
memory/2744-123-0x0000000000A00000-0x0000000000A11000-memory.dmp
memory/2744-122-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2744-120-0x00000000009C0000-0x00000000009D1000-memory.dmp
memory/2744-116-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2928-124-0x0000000001FE0000-0x00000000020AE000-memory.dmp
memory/2928-121-0x0000000000670000-0x0000000000733000-memory.dmp
memory/2928-131-0x00000000024F0000-0x00000000025E7000-memory.dmp