Analysis
- max time kernel
174s - max time network
178s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
27/04/2022, 17:27
General
- Target b50c8d52a000d981d40fab8469f67e62.exe
- Size 191KB
- Sample220427-v1d2daagfr
- SHA256 99f7e07f84e40e362b58d7b84110898eda66ce1e6906b2e27f1e9a9cae90e548
Malware Config
Extracted
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xloader
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2.5
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hsot
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carefile.icu
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autrement-dit-translation.com
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openft.xyz
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hip-express.com
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snowwisdom.com
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effort-less.xyz
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cardiopulmonaryservices.com
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mednotics.com
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hxtz54.com
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sendex.global
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getemergencyfood.com
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xn--ekr703aymjgvi.group
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whitmanrandolphmath.com
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theunitedgamingleague.net
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sxqnx.com
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finessemovement.com
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srsremodelinginc.com
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shuddhiorganics.com
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tlichomedical.com
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millennium.school
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
- 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 56 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 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 WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b50c8d52a000d981d40fab8469f67e62.exe"C:\Users\Admin\AppData\Local\Temp\b50c8d52a000d981d40fab8469f67e62.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\whblsmqmse.exeC:\Users\Admin\AppData\Local\Temp\whblsmqmse.exe C:\Users\Admin\AppData\Local\Temp\wypqgybvjt3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\whblsmqmse.exeC:\Users\Admin\AppData\Local\Temp\whblsmqmse.exe C:\Users\Admin\AppData\Local\Temp\wypqgybvjt4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.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\whblsmqmse.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
uoz5c2vhl0
whblsmqmse.exe
whblsmqmse.exe
whblsmqmse.exe
wypqgybvjt
memory/380-148-0x0000000007850000-0x0000000007970000-memory.dmp
memory/380-141-0x0000000002F60000-0x0000000003080000-memory.dmp
memory/1636-144-0x00000000006C0000-0x00000000006D7000-memory.dmp
memory/1636-147-0x0000000001210000-0x00000000012A0000-memory.dmp
memory/1636-146-0x00000000014C0000-0x000000000180A000-memory.dmp
memory/1636-145-0x0000000000CE0000-0x0000000000D09000-memory.dmp
memory/2072-140-0x00000000009E0000-0x00000000009F1000-memory.dmp
memory/2072-139-0x0000000000A20000-0x0000000000D6A000-memory.dmp
memory/2072-136-0x0000000000400000-0x0000000000429000-memory.dmp