Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
30/03/2024, 07:47
General
- Target $PLUGINSDIR/wxmkcb.dll
- Size 30KB
- Sample240330-jms3labc5y
- SHA256 b31b5199366598aa7e035d334e1f045b79902aedb13186f8ba178f9cc8d7b49a
Malware Config
Extracted
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xloader
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2.5
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b2c0
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bjyxszd520.xyz
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hsvfingerprinting.com
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elliotpioneer.com
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bf396.com
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chinaopedia.com
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6233v.com
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shopeuphoricapparel.com
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loccssol.store
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truefictionpictures.com
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playstarexch.com
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peruviancoffee.store
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shobhajoshi.com
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philme.net
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avito-rules.com
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independencehomecenters.com
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atp-cayenne.com
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invetorsbank.com
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sasanos.com
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scentfreebnb.com
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catfuid.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader payload 4 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 62 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\wxmkcb.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\wxmkcb.dll,#13⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\wxmkcb.dll,#14⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WWAHost.exe"C:\Windows\SysWOW64\WWAHost.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:\Windows\SysWOW64\rundll32.exe"3⤵
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/2408-0-0x0000000074970000-0x000000007497B000-memory.dmp
memory/2408-2-0x0000000074970000-0x000000007497B000-memory.dmp
memory/2500-1-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2500-3-0x0000000002AD0000-0x0000000002E1A000-memory.dmp
memory/2500-5-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2500-6-0x0000000000DE0000-0x0000000000DF1000-memory.dmp
memory/2912-10-0x00000000004C0000-0x000000000059C000-memory.dmp
memory/2912-8-0x00000000004C0000-0x000000000059C000-memory.dmp
memory/2912-11-0x0000000000D20000-0x0000000000D49000-memory.dmp
memory/2912-12-0x0000000001E40000-0x000000000218A000-memory.dmp
memory/2912-13-0x0000000000D20000-0x0000000000D49000-memory.dmp
memory/2912-15-0x0000000001C70000-0x0000000001D00000-memory.dmp
memory/3440-7-0x000000000B960000-0x000000000BAE6000-memory.dmp
memory/3440-16-0x000000000B960000-0x000000000BAE6000-memory.dmp
memory/3440-19-0x0000000008470000-0x00000000085EA000-memory.dmp
memory/3440-20-0x0000000008470000-0x00000000085EA000-memory.dmp
memory/3440-23-0x0000000008470000-0x00000000085EA000-memory.dmp