Analysis
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max time kernel
68s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
08-12-2024 08:11
Behavioral task
behavioral1
Sample
Estadodecuenta.xls
Resource
win7-20240729-en
General
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Target
Estadodecuenta.xls
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Size
192KB
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MD5
4b5efde48442f60d1563164c1e728061
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SHA1
f371b6ea0311f9175c78102e3a087ab5fc7fe687
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SHA256
8464e28250faf8cc3d316329b9b39cbc029659d93db9da3086ce9fc5e37bbcd1
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SHA512
cc18300b59ad15c59fd3dd96a88df4cb4526da5b7bb92dffd0c4fe6c616268d0de0197a59b2b403ae6f35d7e027137d7db6baa713e74c3401abd58b1d101cbd8
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SSDEEP
3072:PrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAq3OLFyhxTchWwaZYwP+1oVET5K8lsq/:zxEtjPOtioVjDGUU1qfDlavx+W2QnAqE
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 2844 1760 WScript.exe 29 -
Blocklisted process makes network request 1 IoCs
flow pid Process 10 2844 WScript.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EXCEL.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WScript.exe -
Office loads VBA resources, possible macro or embedded object present
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Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1760 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1760 EXCEL.EXE 1760 EXCEL.EXE 1760 EXCEL.EXE 1760 EXCEL.EXE 1760 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1760 wrote to memory of 2844 1760 EXCEL.EXE 30 PID 1760 wrote to memory of 2844 1760 EXCEL.EXE 30 PID 1760 wrote to memory of 2844 1760 EXCEL.EXE 30 PID 1760 wrote to memory of 2844 1760 EXCEL.EXE 30
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Estadodecuenta.xls1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\PFLLTU.vbs"2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- System Location Discovery: System Language Discovery
PID:2844
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
10KB
MD5c818cba07e014f95bcf8b133eaba0ee6
SHA183852a470bf54205d59cf40675034f2129a10771
SHA2566b30fade6f3a26071148b661172fb9d8976c5d1d890a407bd06b5a4ae801b9b3
SHA512c718d0d1d43d7b36f6b3988d5e7de327d14f9d94ae43b62d7a5169c7580b57fbb83e49c2cb209e0328f748668a554878a083a763639b640806f4addd9430e78b