Analysis
- max time kernel
91s - max time network
93s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
02/01/2025, 01:23
General
- Target 7a7a461eb2717b429008f8c75abb075de4355ef677dbe4bdef5830653d30c5b5.exe
- Size 1.8MB
- Sample250102-br2xasvrct
- SHA256 7a7a461eb2717b429008f8c75abb075de4355ef677dbe4bdef5830653d30c5b5
Score
10/10
Malware Config
Signatures
- Expiro family
- Expiro, m0yv
Expiro aka m0yv is a multi-functional backdoor written in C++.
- Expiro payload 1 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- 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
-
C:\Users\Admin\AppData\Local\Temp\7a7a461eb2717b429008f8c75abb075de4355ef677dbe4bdef5830653d30c5b5.exe"C:\Users\Admin\AppData\Local\Temp\7a7a461eb2717b429008f8c75abb075de4355ef677dbe4bdef5830653d30c5b5.exe"1⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 3082⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 536 -ip 5361⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/536-0-0x0000000001000000-0x00000000012B0000-memory.dmp
memory/536-1-0x00007FFAA8310000-0x00007FFAA8505000-memory.dmp
memory/536-2-0x0000000001000000-0x00000000012B0000-memory.dmp