Analysis
- max time kernel
14s - max time network
13s - platform
windows10_x64 - resource
win10v20201028 - submitted
31/03/2021, 20:39
General
- Target Invoice_Payment0000039282.exe
- Size 62KB
- Sample210331-hbhpkd72a6
- SHA256 971b23e89575ff2b47e5639b20f902f7b7ce60b9f771a973c1f02fe4a211fb90
Malware Config
Extracted
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xloader
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http://www.laviecher.com/tocg/
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suncoastwfa.com
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newtryan.com
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moorishhistoryandlaw.net
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legalviewer.com
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penyaluranpuk07.net
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haifengjituan.com
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epis2020.com
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dollarya.com
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xn--itaouvidoria-okb.com
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thirtytwohockey.com
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bubblypolls.com
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lotus411.com
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rnseptictankcleaning.com
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shenyingjie.com
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teamhoodied.com
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betyen1.com
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girlsclosetshop.com
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bigpornx.com
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sou1.net
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cleanersmorrow.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 21 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe"C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 13⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 14⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe"C:\Users\Admin\AppData\Local\Temp\Invoice_Payment0000039282.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 628 -s 19043⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/628-12-0x0000000007600000-0x0000000007601000-memory.dmp
memory/628-3-0x00000000004B0000-0x00000000004B1000-memory.dmp
memory/628-5-0x0000000005390000-0x0000000005391000-memory.dmp
memory/628-6-0x0000000006B50000-0x0000000006B51000-memory.dmp
memory/628-9-0x00000000047E0000-0x0000000004818000-memory.dmp
memory/628-2-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/2908-13-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2908-18-0x0000000001190000-0x00000000014B0000-memory.dmp
memory/2908-19-0x0000000000BD0000-0x0000000000BE0000-memory.dmp
memory/2968-17-0x0000000004D70000-0x0000000004D71000-memory.dmp
memory/3032-20-0x0000000002A00000-0x0000000002AC8000-memory.dmp