Analysis
- max time kernel
148s - max time network
151s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
19/02/2022, 23:47
General
- Target 68521747.exe
- Size 292KB
- Sample220219-3ste4aefa8
- SHA256 db097eebc2cb1af575eeb0e7278d466276ddd626cfa0bb5f0b77741679870959
Malware Config
Extracted
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xloader
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2.5
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uar3
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sgadvocats.com
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mjscannabus.com
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hilldaley.com
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ksdollhouse.com
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hotgiftboutique.com
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purebloodsmeet.com
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relaunched.info
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cap-glove.com
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productcollection.store
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fulikyy.xyz
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remoteaviationjobs.com
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bestcleancrystal.com
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virtualorganizationpartner.com
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bookgocar.com
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hattuafhv.quest
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makonigroup.com
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officecom-myaccount.com
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malgorzata-lac.com
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e-learningeducators.com
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hygilaur.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 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.
- Suspicious behavior: EnumeratesProcesses 31 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 19 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\68521747.exe"C:\Users\Admin\AppData\Local\Temp\68521747.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fxpymvoa.exeC:\Users\Admin\AppData\Local\Temp\fxpymvoa.exe C:\Users\Admin\AppData\Local\Temp\ceppv3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\fxpymvoa.exeC:\Users\Admin\AppData\Local\Temp\fxpymvoa.exe C:\Users\Admin\AppData\Local\Temp\ceppv4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wininit.exe"C:\Windows\SysWOW64\wininit.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\fxpymvoa.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/668-65-0x0000000000400000-0x0000000000429000-memory.dmp
memory/668-62-0x0000000000400000-0x0000000000429000-memory.dmp
memory/668-67-0x000000000041D000-0x000000000041E000-memory.dmp
memory/668-66-0x00000000006F0000-0x00000000009F3000-memory.dmp
memory/668-68-0x00000000005C0000-0x00000000005D1000-memory.dmp
memory/768-70-0x00000000006A0000-0x00000000006BA000-memory.dmp
memory/768-72-0x00000000020B0000-0x00000000023B3000-memory.dmp
memory/768-71-0x00000000000C0000-0x00000000000E9000-memory.dmp
memory/768-73-0x0000000001DE0000-0x0000000001E70000-memory.dmp
memory/976-53-0x0000000076491000-0x0000000076493000-memory.dmp
memory/1164-59-0x0000000000240000-0x0000000000242000-memory.dmp
memory/1412-69-0x0000000006F00000-0x0000000007040000-memory.dmp
memory/1412-74-0x0000000008C60000-0x0000000008DE1000-memory.dmp