Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
05/07/2022, 12:18
General
- Target tmp.exe
- Size 270KB
- Sample220705-pgzk3shafm
- SHA256 0dbc37565a20d8e5d40c4c554a194719291bc91ab86db587337b580106f41cb8
Malware Config
Extracted
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xloader
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2.6
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uajq
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pixeldoughnut.com
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amadeushosting.com
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sitecindustrial.com
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orsaigroup.com
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jmuse-dev.com
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angelobreviario.com
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storesafe.xyz
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40veryoung.com
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65228267.com
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xmpanshi.com
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luxorscbd.com
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saoirsia.com
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akwadcom.com
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spreast.com
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net-empresa12pcs.com
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avlaoge1.com
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projectmuellerllc.com
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hvelv.com
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a2bproject.com
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myhome-huahin.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
- Blocklisted process makes network request 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 50 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 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\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cscript.exe"C:\Windows\SysWOW64\cscript.exe"2⤵
- Blocklisted process makes network request
- 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\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"3⤵
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1376-136-0x0000000000C80000-0x0000000000C91000-memory.dmp
memory/1376-132-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1376-134-0x0000000000400000-0x000000000042B000-memory.dmp
memory/1376-135-0x00000000012C0000-0x000000000160A000-memory.dmp
memory/2160-139-0x0000000000C50000-0x0000000000C77000-memory.dmp
memory/2160-140-0x0000000000C10000-0x0000000000C3B000-memory.dmp
memory/2160-141-0x0000000002D00000-0x000000000304A000-memory.dmp
memory/2160-143-0x0000000002B30000-0x0000000002BC0000-memory.dmp
memory/2160-145-0x0000000000C10000-0x0000000000C3B000-memory.dmp
memory/2608-137-0x00000000084A0000-0x000000000856E000-memory.dmp
memory/2608-144-0x0000000008690000-0x00000000087FD000-memory.dmp
memory/2608-146-0x0000000008690000-0x00000000087FD000-memory.dmp
memory/4240-130-0x00000000006A0000-0x00000000006E8000-memory.dmp