Analysis
- max time kernel
150s - max time network
194s - platform
windows7_x64 - resource
win7v20210410 - submitted
22/06/2021, 14:46
General
- Target Ejima.exe
- Size 564KB
- Sample210622-fmztk964ba
- SHA256 f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb
Malware Config
Extracted
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xloader
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2.3
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http://www.ponchomotor.icu/eo5u/
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nottooshabbyfurniture.com
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replacementmind.com
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monica-beauty.com
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justicehabit.com
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clicypunto.com
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luxurylandlifestyle.com
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luxuryteashop.online
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eternalptc.com
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salthooker.com
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photonbet.com
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instipe.com
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leadfolia.com
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haogu-consulting.com
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activedevon.xyz
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bonijsnv.com
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1worldtraining.com
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skycima.com
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angelkov.com
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zcyr365.com
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ourcloudbox.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 2 IoCs
- Deletes itself 1 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 28 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Ejima.exe"C:\Users\Admin\AppData\Local\Temp\Ejima.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\Ejima.exe"C:\Users\Admin\AppData\Local\Temp\Ejima.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\wuapp.exe"C:\Windows\SysWOW64\wuapp.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\Ejima.exe"3⤵
- Deletes itself
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/288-59-0x00000000753E1000-0x00000000753E3000-memory.dmp
memory/1356-73-0x0000000008D80000-0x0000000008EC1000-memory.dmp
memory/1356-65-0x0000000006590000-0x00000000066A8000-memory.dmp
memory/1452-63-0x0000000000400000-0x0000000000428000-memory.dmp
memory/1452-66-0x0000000000900000-0x0000000000C03000-memory.dmp
memory/1452-64-0x00000000002B0000-0x00000000002C0000-memory.dmp
memory/1644-68-0x0000000000E20000-0x0000000000E2B000-memory.dmp
memory/1644-69-0x0000000000090000-0x00000000000B8000-memory.dmp
memory/1644-71-0x0000000000A90000-0x0000000000D93000-memory.dmp
memory/1644-72-0x0000000000990000-0x0000000000A1F000-memory.dmp