Analysis
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max time kernel
93s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
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submitted
19-02-2025 02:18
General
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Target
Factura-689 Pdf.exe
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Size
1.1MB
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MD5
5977943cffd5f2db561ef9535489b269
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SHA1
04cce835500bf7a5e219ef9e5d8dbb5f8db736b3
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SHA256
d1042ccf165aa69453ba0be79ccc4d36334fcac2487c070963675d24ab63f64d
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SHA512
69808c06221d9b3f1960280999f2d5e924efc69643e355788491911d060cdb6b97a017cf8965abee8138e86b7f96bbfeae7c0a0f78865b9e6aaafc39de9ac773
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SSDEEP
24576:bSafguPIipwDdMVGPV1MHkroUmLDbZ7Jjl7WqDs3Ry:blfguL4rMEbSFhWquR
Malware Config
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 6 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Drops file in Program Files directory 1 IoCs
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Drops file in Windows directory 3 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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Suspicious behavior: EnumeratesProcesses 14 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Factura-689 Pdf.exe"C:\Users\Admin\AppData\Local\Temp\Factura-689 Pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Factura-689 Pdf.exe"C:\Users\Admin\AppData\Local\Temp\Factura-689 Pdf.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
5KB
MD52a0f58baa9f48961707195d3d9ab8d0a
SHA1abb640f58bd2a3fc50cd130bd960015df7a2a345
SHA256a9520ce3bcfa4cfb7d9be3d317bdb3068246b38292e6d291a55f1b04a158998e
SHA512273356a565978ff58d223e4d84de85d257838b1c37ae33054de76401ac935fd26f54213424ad8164bae2c4f9d9f2d61cbdd24bbaad453da938e0dca26b98130a
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Filesize
12KB
MD512b140583e3273ee1f65016becea58c4
SHA192df24d11797fefd2e1f8d29be9dfd67c56c1ada
SHA256014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
SHA51249ffdfa1941361430b6acb3555fd3aa05e4120f28cbdf7ceaa2af5937d0b8cccd84471cf63f06f97cf203b4aa20f226bdad082e9421b8e6b62ab6e1e9fc1e68a
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Filesize
1.1MB
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Filesize
4KB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
51.1MB
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Filesize
4KB
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Filesize
18.3MB
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Filesize
12KB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
51.1MB
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Filesize
18.3MB
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Filesize
1.1MB
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Filesize
12KB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
12KB