Analysis
- max time kernel
150s - max time network
150s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
05/12/2021, 11:38
General
- Target Purchase Order # 1014397-18NA.exe
- Size 742KB
- Sample211205-nrp9qacdaq
- SHA256 8c6441d2f5e108a63524430674b8f711cc7b218a2a06fa2c43e24b1de1d76088
Malware Config
Extracted
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xloader
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2.5
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a6hs
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http://www.tejpalmeet.com/a6hs/
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yousuihz.com
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69819112.com
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thesunnysoulsisters.com
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pawaddictsva.com
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quinten-and-sam.com
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kareemrestaurant.com
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nbkck.com
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coralarray.com
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thedailybeaglenews.com
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vedovomsskrm.quest
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invest-signals.net
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apelsinkaufa.store
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mgav56.xyz
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rsferro.com
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quaythuocquynhchi.xyz
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entrepriseyulove.com
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darbodrum.com
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thehallowmusic.com
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julliancandles.com
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saildemo.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
- 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 62 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 12 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\Purchase Order # 1014397-18NA.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order # 1014397-18NA.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Purchase Order # 1014397-18NA.exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order # 1014397-18NA.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\mstsc.exe"C:\Windows\SysWOW64\mstsc.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\Purchase Order # 1014397-18NA.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/500-126-0x00000000011D0000-0x00000000014CC000-memory.dmp
memory/500-127-0x0000000000FC0000-0x0000000000FE9000-memory.dmp
memory/500-129-0x00000000056E0000-0x0000000005A00000-memory.dmp
memory/500-130-0x00000000053B0000-0x0000000005440000-memory.dmp
memory/3064-124-0x0000000005630000-0x00000000057D3000-memory.dmp
memory/3064-131-0x00000000057E0000-0x000000000595E000-memory.dmp
memory/3288-122-0x0000000000A60000-0x0000000000D80000-memory.dmp
memory/3288-123-0x00000000004D0000-0x000000000057E000-memory.dmp
memory/3288-119-0x0000000000400000-0x0000000000429000-memory.dmp