Analysis
- max time kernel
94s - max time network
107s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
03/09/2024, 11:20
General
- Target b61d0ea030d98bcf26d5e6ad21d02234ea6cdfc4a3303c9456edbf9aa9f49627.exe
- Size 5.7MB
- Sample240903-nfkvvswfmd
- SHA256 b61d0ea030d98bcf26d5e6ad21d02234ea6cdfc4a3303c9456edbf9aa9f49627
Score
10/10
Malware Config
Signatures
- Expiro, m0yv
Expiro aka m0yv is a multi-functional backdoor written in C++.
- Expiro payload 4 IoCs
- 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\b61d0ea030d98bcf26d5e6ad21d02234ea6cdfc4a3303c9456edbf9aa9f49627.exe"C:\Users\Admin\AppData\Local\Temp\b61d0ea030d98bcf26d5e6ad21d02234ea6cdfc4a3303c9456edbf9aa9f49627.exe"1⤵
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 5442⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3592 -ip 35921⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3592-0-0x0000000000E21000-0x0000000000EB5000-memory.dmp
memory/3592-1-0x0000000000870000-0x0000000000EB5000-memory.dmp
memory/3592-2-0x0000000000E21000-0x0000000000EB5000-memory.dmp
memory/3592-3-0x0000000000870000-0x0000000000EB5000-memory.dmp