Analysis
- max time kernel
125s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
03/10/2024, 16:04
General
- Target rpedido-002297.exe
- Size 555KB
- Sample241003-th2jaatfll
- SHA256 643a505fefdbf1f0fa9915550a75b2b739aba1683858f92f332c9585c838690d
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
- Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\rpedido-002297.exe"C:\Users\Admin\AppData\Local\Temp\rpedido-002297.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rpedido-002297.exe"C:\Users\Admin\AppData\Local\Temp\rpedido-002297.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
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 --field-trial-handle=1904,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4340 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
Gaulin.ini
memory/560-278-0x00000000032D0000-0x0000000003CE8000-memory.dmp
memory/560-279-0x00000000770A1000-0x00000000771C1000-memory.dmp
memory/560-281-0x0000000010004000-0x0000000010005000-memory.dmp
memory/560-280-0x00000000032D0000-0x0000000003CE8000-memory.dmp
memory/560-301-0x00000000032D0000-0x0000000003CE8000-memory.dmp
memory/4708-300-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-304-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-285-0x0000000077145000-0x0000000077146000-memory.dmp
memory/4708-295-0x0000000001660000-0x0000000002078000-memory.dmp
memory/4708-299-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-283-0x0000000001660000-0x0000000002078000-memory.dmp
memory/4708-282-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-303-0x00000000770A1000-0x00000000771C1000-memory.dmp
memory/4708-302-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4708-284-0x0000000077128000-0x0000000077129000-memory.dmp
memory/4708-305-0x0000000000401000-0x0000000000404000-memory.dmp
memory/4708-306-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-307-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-308-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-309-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-310-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-313-0x0000000000400000-0x0000000001654000-memory.dmp
memory/4708-315-0x0000000001660000-0x0000000002078000-memory.dmp
memory/4708-314-0x0000000000401000-0x0000000000404000-memory.dmp