Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
28/04/2022, 07:01
General
- Target c54d1466e897d1c09d1ef8cc0f2ced6b.exe
- Size 192KB
- Sample220428-hs782abcf2
- SHA256 53f2b01b46fea6b60894eef19535ceb20e37f661839e607734c54ec5e3753200
Malware Config
Extracted
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xloader
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2.5
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itq4
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worklocalcortland.com
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hostydom.tech
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ittakegenius.com
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clarisfixion.com
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totalzerosband.com
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shop-for-432.club
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exploremytruth.com
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skarpaknivar.com
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teknikunsur.net
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shoppingclick.online
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808gang.net
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solobookings.com
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mikunandina.com
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insumedkap.com
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kingdomcell.com
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qabetalive838475.com
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foxyreal.website
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filmweltruhr.com
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pokibar.com
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girassolpresentes.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
- Executes dropped EXE 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 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 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 AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\c54d1466e897d1c09d1ef8cc0f2ced6b.exe"C:\Users\Admin\AppData\Local\Temp\c54d1466e897d1c09d1ef8cc0f2ced6b.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zncwrq.exeC:\Users\Admin\AppData\Local\Temp\zncwrq.exe C:\Users\Admin\AppData\Local\Temp\dwuwuhfoj3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\zncwrq.exeC:\Users\Admin\AppData\Local\Temp\zncwrq.exe C:\Users\Admin\AppData\Local\Temp\dwuwuhfoj4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\WWAHost.exe"C:\Windows\SysWOW64\WWAHost.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\zncwrq.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
dwuwuhfoj
f4acx4vwhfem2
zncwrq.exe
zncwrq.exe
zncwrq.exe
memory/1476-139-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1476-142-0x0000000000500000-0x0000000000511000-memory.dmp
memory/1476-136-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1476-141-0x0000000000AB0000-0x0000000000DFA000-memory.dmp
memory/2940-140-0x0000000008C20000-0x0000000008DBC000-memory.dmp
memory/2940-149-0x0000000008E70000-0x0000000008FA4000-memory.dmp
memory/4528-144-0x0000000000240000-0x000000000031C000-memory.dmp
memory/4528-145-0x00000000003B0000-0x00000000003D9000-memory.dmp
memory/4528-147-0x00000000014C0000-0x000000000180A000-memory.dmp
memory/4528-148-0x00000000012F0000-0x0000000001380000-memory.dmp