Analysis
- max time kernel
149s - max time network
154s - platform
windows7_x64 - resource
win7-20220414-en - submitted
21/04/2022, 08:49
General
- Target ea0a94617548200ae45ca29bf84a0985.exe
- Size 563KB
- Sample220421-kq1saaaebk
- SHA256 68bdffe460b6b63619a94c667eed5e81ec779aa96edc78ecfdc7bd232ff37e98
Malware Config
Extracted
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xloader
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2.5
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c0a7
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nielsqanalytics.net
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mmgaleria.com
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rejection.xyz
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lehome.store
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dijaminoriginal.online
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matthewwickersham.com
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maanetv.com
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instantsave.net
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888dj8v.com
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behere.xyz
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deeperthanmotivation.com
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shoponly7seconds.com
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bohemiabougies.com
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cyrusthegreatbarber.com
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liftizy.com
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kcarats.com
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egremlinart.com
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karbonkorea.com
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syedaakanwal.xyz
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campikitai.today
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
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 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.
- Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 27 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 19 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\ea0a94617548200ae45ca29bf84a0985.exe"C:\Users\Admin\AppData\Local\Temp\ea0a94617548200ae45ca29bf84a0985.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\yvyhb.exeC:\Users\Admin\AppData\Local\Temp\yvyhb.exe C:\Users\Admin\AppData\Local\Temp\skxqmsxrld3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\yvyhb.exeC:\Users\Admin\AppData\Local\Temp\yvyhb.exe C:\Users\Admin\AppData\Local\Temp\skxqmsxrld4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\ipconfig.exe"C:\Windows\SysWOW64\ipconfig.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:\Users\Admin\AppData\Local\Temp\yvyhb.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
skxqmsxrld
udscg9ur75s3w9u5y
yvyhb.exe
yvyhb.exe
yvyhb.exe
yvyhb.exe
yvyhb.exe
yvyhb.exe
memory/1272-70-0x0000000006FC0000-0x00000000070E8000-memory.dmp
memory/1272-78-0x0000000004230000-0x00000000042FA000-memory.dmp
memory/1668-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp
memory/1900-63-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1900-67-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1900-68-0x0000000000800000-0x0000000000B03000-memory.dmp
memory/1900-69-0x00000000002B0000-0x00000000002C1000-memory.dmp
memory/2032-75-0x0000000000080000-0x00000000000A9000-memory.dmp
memory/2032-76-0x00000000020C0000-0x00000000023C3000-memory.dmp
memory/2032-77-0x0000000001DF0000-0x0000000001E80000-memory.dmp
memory/2032-74-0x00000000009E0000-0x00000000009EA000-memory.dmp