Analysis
- max time kernel
168s - max time network
191s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
21/01/2022, 23:59
General
- Target SKM-0614483-pdf.exe
- Size 303KB
- Sample220121-31qdeadhd2
- SHA256 2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601
Malware Config
Extracted
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xloader
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2.5
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uar3
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sgadvocats.com
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mjscannabus.com
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hilldaley.com
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ksdollhouse.com
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hotgiftboutique.com
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purebloodsmeet.com
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relaunched.info
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cap-glove.com
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productcollection.store
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fulikyy.xyz
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remoteaviationjobs.com
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bestcleancrystal.com
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virtualorganizationpartner.com
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bookgocar.com
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hattuafhv.quest
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makonigroup.com
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officecom-myaccount.com
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malgorzata-lac.com
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e-learningeducators.com
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hygilaur.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- 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 52 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\SKM-0614483-pdf.exe"C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe"C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe"3⤵
- 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\SKM-0614483-pdf.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2164-120-0x0000000002660000-0x000000000275F000-memory.dmp
memory/2164-125-0x0000000005B90000-0x0000000005CB9000-memory.dmp
memory/2404-121-0x0000000000950000-0x0000000000967000-memory.dmp
memory/2404-122-0x00000000006C0000-0x00000000006E9000-memory.dmp
memory/2404-123-0x0000000002E10000-0x0000000003130000-memory.dmp
memory/2404-124-0x0000000002C30000-0x0000000002DCE000-memory.dmp
memory/2664-116-0x0000000000400000-0x0000000000429000-memory.dmp
memory/2664-118-0x0000000000990000-0x0000000000CB0000-memory.dmp
memory/2664-119-0x00000000007F0000-0x0000000000985000-memory.dmp