Analysis
- max time kernel
101s - max time network
104s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
24/06/2025, 03:54
General
- Target 8bb4306a94fb9292ca05ca87c8db24479519dd56fa19c7cfa0952e3d357b92a6.exe
- Size 74KB
- Sample250624-ege7bsxwds
- SHA256 8bb4306a94fb9292ca05ca87c8db24479519dd56fa19c7cfa0952e3d357b92a6
Malware Config
Extracted
-
purecrypter
-
http://example.com/api/test
Signatures
- PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
- Purecrypter family
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8bb4306a94fb9292ca05ca87c8db24479519dd56fa19c7cfa0952e3d357b92a6.exe"C:\Users\Admin\AppData\Local\Temp\8bb4306a94fb9292ca05ca87c8db24479519dd56fa19c7cfa0952e3d357b92a6.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /release2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- System Location Discovery: System Language Discovery
- Gathers network information
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-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig /renew2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew3⤵
- System Location Discovery: System Language Discovery
- Gathers network information
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2704-6026-0x00000000747F0000-0x0000000074FA1000-memory.dmp
memory/2704-6027-0x0000000004BE0000-0x0000000004D26000-memory.dmp
memory/2704-6028-0x00000000747F0000-0x0000000074FA1000-memory.dmp
memory/2704-6025-0x0000000000600000-0x0000000000690000-memory.dmp
memory/2704-6029-0x0000000004F80000-0x0000000004FE6000-memory.dmp
memory/2704-6031-0x00000000747F0000-0x0000000074FA1000-memory.dmp
memory/5128-41-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-65-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-3-0x0000000006040000-0x0000000006398000-memory.dmp
memory/5128-4-0x0000000006980000-0x0000000006F26000-memory.dmp
memory/5128-5-0x00000000064D0000-0x0000000006562000-memory.dmp
memory/5128-6-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-7-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-13-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-17-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-31-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-29-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-33-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-53-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-51-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-57-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-55-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-49-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-47-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-59-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-61-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-1-0x0000000000460000-0x0000000000478000-memory.dmp
memory/5128-69-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-67-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-2-0x00000000747F0000-0x0000000074FA1000-memory.dmp
memory/5128-63-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-45-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-43-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-39-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-37-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-35-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-27-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-25-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-23-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-21-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-19-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-15-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-11-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-10-0x0000000006040000-0x0000000006393000-memory.dmp
memory/5128-934-0x00000000747FE000-0x00000000747FF000-memory.dmp
memory/5128-1182-0x00000000747F0000-0x0000000074FA1000-memory.dmp
memory/5128-6018-0x00000000747F0000-0x0000000074FA1000-memory.dmp
memory/5128-0-0x00000000747FE000-0x00000000747FF000-memory.dmp
memory/5128-6019-0x0000000005870000-0x0000000005950000-memory.dmp
memory/5128-6020-0x0000000005F00000-0x0000000005FDC000-memory.dmp
memory/5128-6021-0x0000000006730000-0x000000000677C000-memory.dmp
memory/5128-6022-0x00000000747F0000-0x0000000074FA1000-memory.dmp
memory/5128-6023-0x0000000005C80000-0x0000000005CD4000-memory.dmp
memory/5128-6032-0x00000000747F0000-0x0000000074FA1000-memory.dmp