Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 06:31
Static task
static1
Behavioral task
behavioral1
Sample
MCB_09252024.pdf.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
MCB_09252024.pdf.exe
Resource
win10v2004-20240802-en
General
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Target
MCB_09252024.pdf.exe
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Size
940KB
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MD5
d0ea74bc92edf6c15ec891218fa6ec82
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SHA1
9e16672d91e4eceb3ceb6c4592baba252ee56edf
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SHA256
a947fb714131dc2a3ebdbab989f241713e51d629e00b292b5e6111e8c1506ae3
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SHA512
d3e025fe052104b88970e3efbc7dd174bd0d0965b977f3f1a4274f7302a000b54c4f41824963ef2f393bcf30f0e0760e1f822cb02ffb7956f26a08a430b58d94
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SSDEEP
12288:83FQovvvDg6BCQC+5MnwNJhW3EFPwUpkFhCNQB4UOWTFqeUOlv/y/FUsjtzVbiSg:8GGvvM6RCwNNyEFPNOZOWTF32Usjj6
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
MCB_09252024.pdf.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gxsnzuhetww = "C:\\Users\\Admin\\AppData\\Roaming\\Gxsnzuhetww.exe" MCB_09252024.pdf.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 6032 2684 WerFault.exe 30 -
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.
Processes:
MCB_09252024.pdf.exepowershell.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MCB_09252024.pdf.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exeMCB_09252024.pdf.exepid Process 5896 powershell.exe 2684 MCB_09252024.pdf.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
MCB_09252024.pdf.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2684 MCB_09252024.pdf.exe Token: SeDebugPrivilege 5896 powershell.exe Token: SeDebugPrivilege 2684 MCB_09252024.pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
MCB_09252024.pdf.exedescription pid Process procid_target PID 2684 wrote to memory of 5896 2684 MCB_09252024.pdf.exe 31 PID 2684 wrote to memory of 5896 2684 MCB_09252024.pdf.exe 31 PID 2684 wrote to memory of 5896 2684 MCB_09252024.pdf.exe 31 PID 2684 wrote to memory of 5896 2684 MCB_09252024.pdf.exe 31 PID 2684 wrote to memory of 6032 2684 MCB_09252024.pdf.exe 33 PID 2684 wrote to memory of 6032 2684 MCB_09252024.pdf.exe 33 PID 2684 wrote to memory of 6032 2684 MCB_09252024.pdf.exe 33 PID 2684 wrote to memory of 6032 2684 MCB_09252024.pdf.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\MCB_09252024.pdf.exe"C:\Users\Admin\AppData\Local\Temp\MCB_09252024.pdf.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABUAGUAbQBwAFwATQBDAEIAXwAwADkAMgA1ADIAMAAyADQALgBwAGQAZgAuAGUAeABlADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAEwAbwBjAGEAbABcAFQAZQBtAHAAXABNAEMAQgBfADAAOQAyADUAMgAwADIANAAuAHAAZABmAC4AZQB4AGUAOwBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAQwA6AFwAVQBzAGUAcgBzAFwAQQBkAG0AaQBuAFwAQQBwAHAARABhAHQAYQBcAFIAbwBhAG0AaQBuAGcAXABHAHgAcwBuAHoAdQBoAGUAdAB3AHcALgBlAHgAZQA7ACAAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUAByAG8AYwBlAHMAcwAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABSAG8AYQBtAGkAbgBnAFwARwB4AHMAbgB6AHUAaABlAHQAdwB3AC4AZQB4AGUA2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5896
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 8682⤵
- Program crash
PID:6032
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