Analysis
- max time kernel
150s - max time network
158s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/06/2021, 13:01
General
- Target LEMOH.exe
- Size 213KB
- Sample210607-lsspff92cs
- SHA256 9ce9e41c146be2b9aecbed6e14d9c4fa9d69d6b51038ba27782d08a432c8c95d
Malware Config
Extracted
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xloader
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2.3
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http://www.teachforjustice.com/aipc/
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waistdeepandwasted.com
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laodaiwowwy.club
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duniadekorasi.com
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gsgptech.com
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recordar-vstudio.com
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xn--qrq5jk69mkda.com
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coffeeandwriting.com
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youxi737.xyz
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tictokdeeparchive.com
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dodigital.email
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felicita-store.com
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managecache.com
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lifescanmadtercontrol.com
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joelchristopher.com
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luzira.com
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codeavecaidid.com
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thepifs.com
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booster.guru
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zonalibrenoticias.com
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droneservicescalifornia.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 IoCs
- Loads dropped DLL 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Enumerates system info in registry 2 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 60 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
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C:\Users\Admin\AppData\Local\Temp\LEMOH.exe"C:\Users\Admin\AppData\Local\Temp\LEMOH.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\LEMOH.exe"C:\Users\Admin\AppData\Local\Temp\LEMOH.exe"3⤵
- 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\chkdsk.exe"C:\Windows\SysWOW64\chkdsk.exe"4⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- 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\LEMOH.exe"5⤵
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C:\Windows\SysWOW64\autofmt.exe"C:\Windows\SysWOW64\autofmt.exe"2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/508-121-0x0000000000A40000-0x0000000000A51000-memory.dmp
memory/508-117-0x0000000000400000-0x0000000000429000-memory.dmp
memory/508-119-0x00000000004D0000-0x000000000057E000-memory.dmp
memory/508-118-0x0000000000A80000-0x0000000000DA0000-memory.dmp
memory/2536-129-0x0000000000960000-0x00000000009FF000-memory.dmp
memory/2536-120-0x0000000005570000-0x0000000005647000-memory.dmp
memory/2536-122-0x0000000005650000-0x00000000057C2000-memory.dmp
memory/3020-126-0x0000000000E60000-0x0000000000E89000-memory.dmp
memory/3020-127-0x00000000056D0000-0x00000000059F0000-memory.dmp
memory/3020-128-0x0000000005420000-0x00000000054B0000-memory.dmp
memory/3020-125-0x0000000001020000-0x000000000102A000-memory.dmp