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Analysis
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max time kernel
119s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/09/2024, 05:54
Static task
static1
Behavioral task
behavioral1
Sample
45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe
Resource
win10v2004-20240802-en
General
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Target
45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe
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Size
37KB
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MD5
5ac7141b4438c23c468243cd90864ba0
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SHA1
501a9a8669dab15e9ce826d46fe0b24d5d9e2154
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SHA256
45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77a
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SHA512
41bb3f2dbf314f46dae042604cb4e0571fdddc5494ecd1f208534fbb669b9e9f060f8481da4094e5ae7ddd8e42470f199e476161863b6b4d33c232ca5fccbfbe
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SSDEEP
768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/s:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gn
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1948 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 1948 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2572 wrote to memory of 1948 2572 45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe 30 PID 2572 wrote to memory of 1948 2572 45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe 30 PID 2572 wrote to memory of 1948 2572 45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe 30 PID 2572 wrote to memory of 1948 2572 45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe"C:\Users\Admin\AppData\Local\Temp\45e4d5119f47ac7b3ab5f7069bfd65c5fe21e696353bd8a9da96f8d857bcd77aN.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
PID:1948
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD5629e7fa6977cce2cb16758df7b610dc3
SHA1de0db0975a1f9042decfecaad95e8678c53926ae
SHA2567f92aaf6803e84cdea13371ca67d73605abb79b748fa335fe79b143339f4e41f
SHA5124c75edea74bf406147f820ca515799f7bf799a5ea6f88d0ca756eaa9f0bdb92e122fd3e76eeb5df8ac04f47e6b52b7a9a49ee03ab4fa077eede741f4d339cb30