Analysis
- max time kernel
136s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
06/01/2024, 01:26
General
- Target 44ee3154f12827d1273221bb3b62fa69.exe
- Size 3.2MB
- Sample240106-btke2aeagp
- SHA256 5952aad5fe80e49a2bf5657aef45442e565f073a3d71eee7777d81ab34cb2214
Malware Config
Signatures
- Detects Echelon Stealer payload 2 IoCs
- Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 3 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- VMProtect packed file 4 IoCs
Detects executables packed with VMProtect commercial packer.
- 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).
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\44ee3154f12827d1273221bb3b62fa69.exe"C:\Users\Admin\AppData\Local\Temp\44ee3154f12827d1273221bb3b62fa69.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe"C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe"C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Crypt.exe"C:\Users\Admin\AppData\Local\Temp\Crypt.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Crypt.exe
UltraHook newe.exe
UltraHook newe.sfx.exe
memory/3740-24-0x0000000000D80000-0x0000000000F80000-memory.dmp
memory/3740-25-0x00007FF99E180000-0x00007FF99EC41000-memory.dmp
memory/3740-26-0x0000000001810000-0x0000000001811000-memory.dmp
memory/3740-27-0x0000000001810000-0x0000000001811000-memory.dmp
memory/3740-28-0x000000001BD00000-0x000000001BD10000-memory.dmp
memory/3740-44-0x00007FF99E180000-0x00007FF99EC41000-memory.dmp
memory/3740-42-0x00007FF99E180000-0x00007FF99EC41000-memory.dmp
memory/5084-43-0x00007FF99E180000-0x00007FF99EC41000-memory.dmp
memory/5084-41-0x0000019DB5440000-0x0000019DB5606000-memory.dmp
memory/5084-45-0x0000019DB59B0000-0x0000019DB59B1000-memory.dmp
memory/5084-46-0x0000019DB59B0000-0x0000019DB59B1000-memory.dmp
memory/5084-47-0x0000019DCFC10000-0x0000019DCFC20000-memory.dmp
memory/5084-48-0x0000019DB7270000-0x0000019DB72E6000-memory.dmp
memory/5084-50-0x0000019DB59B0000-0x0000019DB59B1000-memory.dmp
memory/5084-51-0x00007FF99E180000-0x00007FF99EC41000-memory.dmp
memory/5084-70-0x0000019DCFC10000-0x0000019DCFC20000-memory.dmp
memory/5084-75-0x00007FF99E180000-0x00007FF99EC41000-memory.dmp