Analysis
- max time kernel
152s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
06/03/2024, 14:06
General
- Target factura-022853.exe
- Size 816KB
- Sample240306-redxpsce7x
- SHA256 df09e53e0571765247faf08a316fd75c13e84be01f4db61b294e0ec95aaf1b5e
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- Drops file in System32 directory 1 IoCs
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 4 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 36 IoCs
- Suspicious behavior: MapViewOfSection 6 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\factura-022853.exe"C:\Users\Admin\AppData\Local\Temp\factura-022853.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\factura-022853.exe"C:\Users\Admin\AppData\Local\Temp\factura-022853.exe"3⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\rasautou.exe"C:\Windows\SysWOW64\rasautou.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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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=4352 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Spahees99.lnk
System.dll
memory/2668-326-0x0000000002770000-0x0000000002ABA000-memory.dmp
memory/2668-329-0x0000000002AC0000-0x0000000002B63000-memory.dmp
memory/2668-328-0x00000000005C0000-0x0000000000600000-memory.dmp
memory/2668-324-0x00000000005C0000-0x0000000000600000-memory.dmp
memory/2668-323-0x00000000005C0000-0x0000000000600000-memory.dmp
memory/3144-288-0x00000000052B0000-0x0000000007810000-memory.dmp
memory/3144-289-0x0000000077871000-0x0000000077991000-memory.dmp
memory/3144-290-0x00000000744C0000-0x00000000744C7000-memory.dmp
memory/3144-287-0x00000000052B0000-0x0000000007810000-memory.dmp
memory/3144-310-0x00000000052B0000-0x0000000007810000-memory.dmp
memory/3360-321-0x000000000D0C0000-0x000000001020A000-memory.dmp
memory/3504-292-0x0000000001660000-0x0000000003BC0000-memory.dmp
memory/3504-322-0x0000000003D00000-0x0000000003D24000-memory.dmp
memory/3504-312-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3504-313-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3504-314-0x0000000034100000-0x000000003444A000-memory.dmp
memory/3504-315-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3504-316-0x0000000077871000-0x0000000077991000-memory.dmp
memory/3504-320-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3504-309-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3504-311-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3504-296-0x0000000077915000-0x0000000077916000-memory.dmp
memory/3504-295-0x0000000001660000-0x0000000003BC0000-memory.dmp
memory/3504-325-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3504-294-0x00000000778F8000-0x00000000778F9000-memory.dmp
memory/3504-327-0x0000000001660000-0x0000000003BC0000-memory.dmp
memory/3504-293-0x0000000000400000-0x0000000001654000-memory.dmp
memory/3504-291-0x0000000000400000-0x0000000001654000-memory.dmp