Analysis
- max time kernel
148s - max time network
150s - platform
windows7_x64 - resource
win7v20210408 - submitted
29/07/2021, 10:40
General
- Target Order Signed PEARLTECH contract and PO.exe
- Size 1.2MB
- Sample210729-k657q7ccf2
- SHA256 2a3c5d424e042d82f295aba4197bc052355cbea30b0fa9c419a1cd7fb6c2bc31
Malware Config
Extracted
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xloader
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2.3
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http://www.jiltedowl.com/um8e/
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theypretend.com
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hopeschildren.com
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kuly.cloud
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maniflexx.net
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bedtimesocietyblog.com
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spenglerwetlandpreserve.com
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unity-play.net
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bonap56.com
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consciencevc.com
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deluxeluxe.com
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officialjuliep.com
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cttrade.club
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quietflyt.com
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mcabspl.com
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lippocaritahotel.com
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tolanfilms.xyz
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momenaagro.com
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slingshotart.com
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thefoundershuddle.com
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mobilbaris.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
- Deletes itself 1 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Order Signed PEARLTECH contract and PO.exe"C:\Users\Admin\AppData\Local\Temp\Order Signed PEARLTECH contract and PO.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Order Signed PEARLTECH contract and PO.exe"C:\Users\Admin\AppData\Local\Temp\Order Signed PEARLTECH contract and PO.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.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\Order Signed PEARLTECH contract and PO.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/784-78-0x0000000000530000-0x00000000005BF000-memory.dmp
memory/784-73-0x0000000000AB0000-0x0000000000AB8000-memory.dmp
memory/784-74-0x00000000000C0000-0x00000000000E8000-memory.dmp
memory/784-76-0x0000000000640000-0x0000000000943000-memory.dmp
memory/784-77-0x0000000075051000-0x0000000075053000-memory.dmp
memory/940-63-0x0000000005320000-0x00000000053B9000-memory.dmp
memory/940-64-0x0000000000A10000-0x0000000000A3A000-memory.dmp
memory/940-59-0x0000000000A80000-0x0000000000A81000-memory.dmp
memory/940-62-0x0000000000260000-0x000000000026B000-memory.dmp
memory/940-61-0x00000000049D0000-0x00000000049D1000-memory.dmp
memory/1200-79-0x0000000009340000-0x000000000948C000-memory.dmp
memory/1200-69-0x0000000003D80000-0x0000000003E5A000-memory.dmp
memory/1200-71-0x0000000004ED0000-0x0000000005055000-memory.dmp
memory/1532-70-0x0000000000160000-0x0000000000170000-memory.dmp
memory/1532-68-0x0000000000120000-0x0000000000130000-memory.dmp
memory/1532-67-0x0000000000BB0000-0x0000000000EB3000-memory.dmp
memory/1532-65-0x0000000000400000-0x0000000000428000-memory.dmp