Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
10/03/2024, 15:06
General
- Target b01f53b153d64b48a3e555b4ed7a5274.exe
- Size 200KB
- Sample240310-sgp87afa66
- SHA256 9648391b4b4a1db893e6939901524170ee2a6a0f1744dcc6e770da2be55f191a
Malware Config
Signatures
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b01f53b153d64b48a3e555b4ed7a5274.exe"C:\Users\Admin\AppData\Local\Temp\b01f53b153d64b48a3e555b4ed7a5274.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b01f53b153d64b48a3e555b4ed7a5274.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 24562⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2448 -ip 24481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Are.docx
mozglue.dll
nss3.dll
memory/2448-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/2448-49-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2448-1-0x0000000000750000-0x0000000000850000-memory.dmp
memory/2448-3-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2448-72-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2448-73-0x0000000002240000-0x0000000002267000-memory.dmp
memory/2448-78-0x0000000000750000-0x0000000000850000-memory.dmp
memory/2448-79-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2448-87-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2448-2-0x0000000002240000-0x0000000002267000-memory.dmp
memory/2448-97-0x0000000000400000-0x000000000063B000-memory.dmp
memory/2448-98-0x0000000000400000-0x000000000063B000-memory.dmp