Analysis
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max time kernel
148s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
02-10-2023 12:25
Static task
static1
Behavioral task
behavioral1
Sample
Factura Pendiente.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Factura Pendiente.exe
Resource
win10v2004-20230915-en
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.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe Factura Pendiente.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe Factura Pendiente.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Control Panel\International\Geo\Nation Factura Pendiente.exe -
Loads dropped DLL 1 IoCs
pid Process 2028 Factura Pendiente.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 2428 Factura Pendiente.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2028 Factura Pendiente.exe 2428 Factura Pendiente.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2028 set thread context of 2428 2028 Factura Pendiente.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe 2428 Factura Pendiente.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2028 Factura Pendiente.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2428 Factura Pendiente.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2028 wrote to memory of 2428 2028 Factura Pendiente.exe 30 PID 2028 wrote to memory of 2428 2028 Factura Pendiente.exe 30 PID 2028 wrote to memory of 2428 2028 Factura Pendiente.exe 30 PID 2028 wrote to memory of 2428 2028 Factura Pendiente.exe 30 PID 2028 wrote to memory of 2428 2028 Factura Pendiente.exe 30 PID 2028 wrote to memory of 2428 2028 Factura Pendiente.exe 30
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
PID:2028 -
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
PID:2428
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
12KB
MD5dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SHA2567fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
SHA5124910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f