Analysis
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max time kernel
121s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
01-09-2024 19:41
Static task
static1
Behavioral task
behavioral1
Sample
a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe
Resource
win7-20240708-en
General
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Target
a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe
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Size
7.3MB
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MD5
a6b8db8215b183a84d56e2c0e76147fa
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SHA1
e6dcc80893afdc173ebaba8061543d0986e7ad80
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SHA256
a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e
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SHA512
e4ff9c34769468a08088cfabb1941928727f17d8de6f7f96b9d20b7b5d90a32fe8d4308b8b3cb5f2d8cde7d4c2942ce1dd32527a9ec6008f33906e587f9d9bba
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SSDEEP
98304:3xC3ud6MOIvysi7CQKzo5qphIHVruP3WpF3UdE1hZHEdLF00X:8GQgMkhgJuP32+dmhZk/0k
Malware Config
Signatures
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Expiro payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/2116-0-0x000000000191E000-0x00000000019B1000-memory.dmp family_expiro1 behavioral1/memory/2116-1-0x00000000011D0000-0x00000000019B1000-memory.dmp family_expiro1 behavioral1/memory/2116-2-0x000000000191E000-0x00000000019B1000-memory.dmp family_expiro1 behavioral1/memory/2116-3-0x00000000011D0000-0x00000000019B1000-memory.dmp family_expiro1 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2692 2116 WerFault.exe a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.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.
Processes:
a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exedescription pid process target process PID 2116 wrote to memory of 2692 2116 a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe WerFault.exe PID 2116 wrote to memory of 2692 2116 a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe WerFault.exe PID 2116 wrote to memory of 2692 2116 a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe WerFault.exe PID 2116 wrote to memory of 2692 2116 a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe"C:\Users\Admin\AppData\Local\Temp\a225275b37dc396bd2619a87ff2b16ebb2d82ca201d8fa2f446696fcf453403e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1562⤵
- Program crash
PID:2692