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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
02/10/2023, 12:25
General
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Target
Factura Pendiente.exe
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Size
866KB
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MD5
772a55c751698adb2a276e42f3722d7a
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SHA1
c7e6bf6e433aac5d8006747e8878ea76b15e858c
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SHA256
a71c9e5f6f83bccde192cff4982c7483ceaa6c3f9e6b309f0c36cedfccf3e837
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SHA512
4d868fb118fbcc9f4a6df771b00c86d001a490a616496b4e83998759ae4569bbe267772be67a77fc3eea082c4497b065d3d3f273cfc75dca3ba1d635fbc38b9f
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SSDEEP
24576:INPx3TpZ46uhgbeBcWI6Wqz6uc1L9J8xVCT5ATqY2BXY6+g7:mBTveBcZ6Wqz6VL9J8xVCT5AT2Y6N
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL 1 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 38 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Factura Pendiente.exe"C:\Users\Admin\AppData\Local\Temp\Factura Pendiente.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Factura Pendiente.exe"C:\Users\Admin\AppData\Local\Temp\Factura Pendiente.exe"2⤵
- Checks QEMU agent file
- Checks computer location settings
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12KB
MD5dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SHA2567fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
SHA5124910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f
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Filesize
49.1MB
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Filesize
49.1MB
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Filesize
1.1MB
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Filesize
28KB
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Filesize
18.3MB
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Filesize
49.1MB
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Filesize
49.1MB
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Filesize
4KB
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Filesize
4KB
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Filesize
18.3MB
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Filesize
49.1MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
3.3MB
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Filesize
1.1MB
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Filesize
18.3MB