Analysis
- max time kernel
151s - max time network
159s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
25/01/2022, 07:52
General
- Target DHLAWB9678547836.exe
- Size 249KB
- Sample220125-jqepdabebr
- SHA256 3ec75c58983e9fa89e37b733d2dc7d3ae966b52066bcb8662cd47277fcae1aa0
Malware Config
Extracted
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xloader
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2.5
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n49h
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dayandwestskincare.com
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yourstaffingguru.com
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airconditionermedics.com
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nielsqanalytics.com
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probuildingcontractor.online
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arbitrum.party
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8020go.com
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lojacalegari.com
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eventrix.biz
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decisionmatrixtool.com
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decrypt-o.com
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sattadelhiborder50.xyz
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asbestosmanagementservices.com
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yuphyderabad.com
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illarrivelatebut.space
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markonlifecare.com
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attomstyle.com
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tacchisrl.com
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satta-patti.com
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shanghaistrip.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 2 IoCs
- Deletes itself 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 30 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHLAWB9678547836.exe"C:\Users\Admin\AppData\Local\Temp\DHLAWB9678547836.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHLAWB9678547836.exe"C:\Users\Admin\AppData\Local\Temp\DHLAWB9678547836.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- 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\DHLAWB9678547836.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/552-62-0x0000000000BD0000-0x0000000000BD7000-memory.dmp
memory/552-63-0x00000000000C0000-0x00000000000E9000-memory.dmp
memory/552-64-0x0000000001FE0000-0x00000000022E3000-memory.dmp
memory/552-65-0x00000000009D0000-0x0000000000A60000-memory.dmp
memory/1324-57-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1324-59-0x0000000000770000-0x0000000000A73000-memory.dmp
memory/1324-60-0x00000000002A0000-0x0000000000429000-memory.dmp
memory/1360-61-0x0000000006B60000-0x0000000006C25000-memory.dmp
memory/1360-66-0x0000000006D80000-0x0000000006ED7000-memory.dmp
memory/1648-55-0x0000000075021000-0x0000000075023000-memory.dmp