Analysis
- max time kernel
150s - max time network
155s - platform
windows10_x64 - resource
win10v20210410 - submitted
03/07/2021, 06:10
General
- Target VrzbgLW535gNZH4.exe
- Size 599KB
- Sample210703-k8rm22txcs
- SHA256 dd759c0f396781dd67e9b31cbb725e88883defe4d10698606ca9f50e1a92ffb2
Malware Config
Extracted
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xloader
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2.3
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http://www.kkkwhitepride.com/66op/
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ttxyzp.com
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miamivendingservices.com
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namanhphat.com
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filmexllc.com
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snowflakebytes.net
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qygdance.com
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small-mart.online
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libryapp.com
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guadelouperegistry.net
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hoodiessport.com
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tienda-china.com
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musicergonomy.com
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yahonatinog.space
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lvn.xyz
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aerospace-engineers.com
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bluemountainbeveragecompany.com
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thedonationcard.com
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gigharborcancercare.com
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restondefencejobs.com
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alfenafootwear.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 44 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\VrzbgLW535gNZH4.exe"C:\Users\Admin\AppData\Local\Temp\VrzbgLW535gNZH4.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\VrzbgLW535gNZH4.exe"{path}"3⤵
- 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\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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C:\Windows\SysWOW64\control.exe"C:\Windows\SysWOW64\control.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\VrzbgLW535gNZH4.exe"3⤵
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1096-124-0x0000000002870000-0x0000000002899000-memory.dmp
memory/1096-123-0x00000000003A0000-0x00000000003C0000-memory.dmp
memory/1096-125-0x00000000045F0000-0x0000000004910000-memory.dmp
memory/1096-126-0x00000000044F0000-0x000000000457F000-memory.dmp
memory/2492-120-0x00000000059F0000-0x0000000005B19000-memory.dmp
memory/2492-127-0x0000000007030000-0x000000000719D000-memory.dmp
memory/3836-115-0x0000000000400000-0x0000000000429000-memory.dmp
memory/3836-119-0x0000000000FF0000-0x0000000001000000-memory.dmp
memory/3836-118-0x0000000001940000-0x0000000001C60000-memory.dmp
memory/4048-114-0x0000000000980000-0x0000000000981000-memory.dmp