Analysis
- max time kernel
155s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
05/04/2024, 00:04
General
- Target $PLUGINSDIR/envdl.dll
- Size 21KB
- Sample240405-acmy6aec6x
- SHA256 d12d71c87dbbe93303a1402e368e5e8827d512aa54bae78347077ca468abdbc6
Malware Config
Extracted
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xloader
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2.5
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nqn4
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posadaluna.com
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ztwl2000.com
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cvmu.net
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marvellouslles.com
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tiromiesu.com
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allinsqadminn.com
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8straps.com
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buyfood.store
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jipodh.xyz
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earthsidesoulalchemist.com
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overiodize.xyz
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weed.enterprises
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minuseasy.com
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konchord.com
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14attrayanteoffre.com
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brasbux.com
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aog.group
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hairuno.com
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solheimdesign.com
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cosmetictreat.com
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- Xloader payload 4 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Suspicious behavior: EnumeratesProcesses 61 IoCs
- Suspicious behavior: MapViewOfSection 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 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 use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\envdl.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\envdl.dll,#13⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\envdl.dll,#14⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.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\SysWOW64\rundll32.exe"3⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3728 --field-trial-handle=2228,i,521073434451423547,2311651514500527526,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1672-1-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1672-2-0x00000000026B0000-0x00000000029FA000-memory.dmp
memory/1672-5-0x0000000000400000-0x0000000000429000-memory.dmp
memory/1672-6-0x00000000025F0000-0x0000000002601000-memory.dmp
memory/2228-0-0x0000000010000000-0x0000000010009000-memory.dmp
memory/2228-3-0x0000000010000000-0x0000000010009000-memory.dmp
memory/2316-10-0x0000000000D90000-0x0000000000DA4000-memory.dmp
memory/2316-8-0x0000000000D90000-0x0000000000DA4000-memory.dmp
memory/2316-11-0x0000000000930000-0x0000000000959000-memory.dmp
memory/2316-12-0x0000000002A20000-0x0000000002D6A000-memory.dmp
memory/2316-13-0x0000000000930000-0x0000000000959000-memory.dmp
memory/2316-15-0x00000000028F0000-0x0000000002980000-memory.dmp
memory/3496-7-0x00000000029C0000-0x0000000002AEF000-memory.dmp
memory/3496-16-0x00000000029C0000-0x0000000002AEF000-memory.dmp
memory/3496-19-0x0000000002670000-0x000000000274F000-memory.dmp
memory/3496-20-0x0000000002670000-0x000000000274F000-memory.dmp
memory/3496-23-0x0000000002670000-0x000000000274F000-memory.dmp