Analysis
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max time kernel
93s -
max time network
189s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
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submitted
24/02/2025, 15:54
General
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Target
Factura-192 Pdf.exe
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Size
602KB
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MD5
5a37412beea483b52f7a1a7c65932cf7
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SHA1
acdd44f0eb9503d12bb5dd53fc2487072ee2be29
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SHA256
5518f2e54da7d099bfbc62172e39496d7aba93f6d938966b6b6684c89c548d3c
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SHA512
79bc2d56dddc499a82511754b6d46f1f359d997a7382d03da0f49a91e166a86285ddeab1ac5c8a4d35aae4cf0cc49f500b1ca4305d4628743ac00550a32440e0
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SSDEEP
12288:ZYAELrvc5tC1zgJg+qSOF/rFUga4sH9WP+Y9K7I:ZYAEXQtChcpqSuBFaN9W2Yj
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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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-192 Pdf.exe"C:\Users\Admin\AppData\Local\Temp\Factura-192 Pdf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Factura-192 Pdf.exe"C:\Users\Admin\AppData\Local\Temp\Factura-192 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
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Downloads
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Filesize
5KB
MD568b287f4067ba013e34a1339afdb1ea8
SHA145ad585b3cc8e5a6af7b68f5d8269c97992130b3
SHA25618e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
SHA51206c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb
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Filesize
12KB
MD5cff85c549d536f651d4fb8387f1976f2
SHA1d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA2568dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
SHA512531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
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Filesize
36B
MD555d234e670b91b9c21dc00a1336ec7c2
SHA18f4f76a5c30b680ac339b33b23a45957e673b2fb
SHA2563433166ef38dd2c36c552f03b3d73c5549a1d573f23aeb8db2ac81f7746824f3
SHA51295357c5f995c9b198388db033b4e88a32a9d1adac025057db89f8b56f7e271e20ef2f68fa30af4ac93cc94d61f3eba6c0012ef3e45c0a314067a7666acac0fec
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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
84.7MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
4KB
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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
84.7MB
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Filesize
18.3MB
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Filesize
1.1MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
12KB
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Filesize
4KB
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Filesize
1.1MB