Analysis
- max time kernel
150s - max time network
152s - platform
windows10_x64 - resource
win10v20210410 - submitted
28/06/2021, 12:18
General
- Target PO KIPO000903 KIND122822.pdf.exe
- Size 728KB
- Sample210628-3bakkf3hlj
- SHA256 940049a73f4604611186b3fe1f93bec8328d4ca2c486499d5be25df5b5d51ca9
Malware Config
Extracted
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xloader
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2.3
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http://www.xgegqs.com/gscc/
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digdeepalways.com
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medicaidcovidsurvey.com
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thebranchfellowship.com
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trillionairebigboysclub.com
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pointsvalidation.com
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thatcomfortableplace.com
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stretchingchic.com
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tabletadigital.online
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xkg.xyz
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merlin-hygieneforce.com
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mockexamsonline.com
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mortgagemegloans.com
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fraudcast.net
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bexleyheathdmcc.xyz
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shop77c.club
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blueathue.com
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bjzxsd.com
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8metode.com
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ravexim3.com
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kratiemthaicuisine.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader Payload 3 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 41 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 15 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\PO KIPO000903 KIND122822.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO KIPO000903 KIND122822.pdf.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xdKZfyzPQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF65C.tmp"3⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"3⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1084-138-0x0000000002E00000-0x0000000002E8F000-memory.dmp
memory/1084-135-0x0000000000330000-0x000000000033C000-memory.dmp
memory/1084-137-0x0000000003120000-0x0000000003440000-memory.dmp
memory/1084-136-0x0000000002530000-0x0000000002558000-memory.dmp
memory/2492-139-0x00000000094A0000-0x0000000009620000-memory.dmp
memory/2492-132-0x00000000059F0000-0x0000000005B40000-memory.dmp
memory/3896-127-0x0000000000400000-0x0000000000428000-memory.dmp
memory/3896-131-0x0000000001220000-0x0000000001230000-memory.dmp
memory/3896-130-0x0000000001700000-0x0000000001A20000-memory.dmp
memory/4048-122-0x0000000009780000-0x000000000B77F000-memory.dmp
memory/4048-123-0x000000000B990000-0x000000000BA19000-memory.dmp
memory/4048-114-0x0000000000810000-0x0000000000811000-memory.dmp
memory/4048-124-0x000000000BA20000-0x000000000BA6E000-memory.dmp
memory/4048-121-0x00000000053D0000-0x00000000053D1000-memory.dmp
memory/4048-120-0x00000000052E0000-0x00000000052E1000-memory.dmp
memory/4048-119-0x0000000005210000-0x000000000570E000-memory.dmp
memory/4048-118-0x0000000005210000-0x0000000005211000-memory.dmp
memory/4048-117-0x0000000005710000-0x0000000005711000-memory.dmp
memory/4048-116-0x0000000005170000-0x0000000005171000-memory.dmp