Analysis
- max time kernel
149s - max time network
181s - platform
windows7_x64 - resource
win7v20210410 - submitted
17/08/2021, 11:24
General
- Target eda2f736aa2185aab69b94d776d884aa.exe
- Size 815KB
- Sample210817-wdfeb2wycs
- SHA256 93f0775c5a5512759f85db7b3d1c4b3ee7049369cd0dcd1d4f778626621bfa0c
Malware Config
Extracted
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xloader
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2.3
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b6cu
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http://www.xn--marketingrevolucin-61b.com/b6cu/
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votreconseilfinancier.com
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wholesaleplay.com
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komfy.store
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hsyunfan.com
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tournamenttips.com
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yourbusine.xyz
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wrg-referrals.com
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harmless-oily.com
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whizdomtowealth.com
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xusmods.com
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cleanerstoday.com
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finopscert.com
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paerexpress.com
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kankb.com
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res-o.info
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balonpantolon.com
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freedownloadbiz.info
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jeffegriffin.com
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gobahis119.com
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ourcalvinsarm.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 3 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 22 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 22 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\eda2f736aa2185aab69b94d776d884aa.exe"C:\Users\Admin\AppData\Local\Temp\eda2f736aa2185aab69b94d776d884aa.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OwRaAhiZFce" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6642.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\NETSTAT.EXE"C:\Windows\SysWOW64\NETSTAT.EXE"2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- 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\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/992-71-0x0000000000180000-0x0000000000190000-memory.dmp
memory/992-70-0x0000000000A20000-0x0000000000D23000-memory.dmp
memory/992-68-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1080-65-0x0000000000890000-0x00000000008BA000-memory.dmp
memory/1080-60-0x0000000001200000-0x0000000001201000-memory.dmp
memory/1080-64-0x0000000005F20000-0x0000000005FB8000-memory.dmp
memory/1080-63-0x0000000000480000-0x0000000000491000-memory.dmp
memory/1080-62-0x0000000004E20000-0x0000000004E21000-memory.dmp
memory/1124-74-0x0000000000E40000-0x0000000000E49000-memory.dmp
memory/1124-75-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/1124-80-0x0000000075A31000-0x0000000075A33000-memory.dmp
memory/1124-77-0x0000000002250000-0x0000000002553000-memory.dmp
memory/1124-78-0x0000000000B10000-0x0000000000B9F000-memory.dmp
memory/1264-79-0x0000000008E30000-0x0000000008F8B000-memory.dmp
memory/1264-72-0x0000000006A80000-0x0000000006C04000-memory.dmp