Analysis
- max time kernel
150s - max time network
146s - platform
windows10_x64 - resource
win10v20210408 - submitted
30/04/2021, 08:40
General
- Target raw f.exe
- Size 208KB
- Sample210430-61v6letgjs
- SHA256 ec2271f9e6e57b84cae0e6df2af197a02133e5644d55eb3d2be373681397f919
Malware Config
Extracted
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xloader
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2.3
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http://www.citestaccnt1597666144.com/ud9e/
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casezs.com
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gascubby.com
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pekodains.com
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superskosh.com
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avktinfracon.com
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slink.finance
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thegreathopeofearth.com
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thebattleofthestars.com
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utmxpxq.icu
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mamaandbabycleaningservice.com
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officialtimelessbeauty.com
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keeper.network
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leyingcp.com
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helpforharrysheroes.com
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cohenforleehealthboard.com
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wsilhavy.net
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logisticsconsultinglimited.com
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btechnician.com
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dynamicpersiankitten.com
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nuplaz.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Loads dropped DLL 1 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 6 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
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\raw f.exe"C:\Users\Admin\AppData\Local\Temp\raw f.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\raw f.exe"C:\Users\Admin\AppData\Local\Temp\raw f.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cscript.exe"C:\Windows\SysWOW64\cscript.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\raw f.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/580-120-0x00000000009D0000-0x0000000000CF0000-memory.dmp
memory/580-117-0x0000000000400000-0x0000000000429000-memory.dmp
memory/580-118-0x00000000009B0000-0x00000000009C0000-memory.dmp
memory/904-116-0x0000000002FD0000-0x0000000002FF3000-memory.dmp
memory/2844-122-0x00000000001D0000-0x00000000001F7000-memory.dmp
memory/2844-123-0x0000000002C00000-0x0000000002C29000-memory.dmp
memory/2844-125-0x00000000045F0000-0x0000000004910000-memory.dmp
memory/2844-126-0x0000000004440000-0x00000000044CF000-memory.dmp
memory/3052-119-0x0000000002680000-0x0000000002746000-memory.dmp
memory/3052-127-0x0000000004C80000-0x0000000004D77000-memory.dmp