Analysis
- max time kernel
90s - max time network
117s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
14/02/2024, 13:11
General
- Target allegato_30.js
- Size 5KB
- Sample240214-qfepyscf45
- SHA256 c99867c90e66a1366cad67f4e4f8b8192c0fc5f1c0ce4532af1402ff10ff140a
Malware Config
Signatures
- Blocklisted process makes network request 3 IoCs
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
- 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).
- Checks processor information in registry 2 TTPs 20 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\allegato_30.js1⤵
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" /B C:\Users\Admin\AppData\Local\Temp\RagDgdvDDe.dll,start2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" /B C:\Users\Admin\AppData\Local\Temp\RagDgdvDDe.dll,start3⤵
- Blocklisted process makes network request
- Checks computer location settings
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask4⤵
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask4⤵
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath4⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
RagDgdvDDe.dll
Rtpdhdf
memory/2880-11-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-12-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-7-0x00000000777E2000-0x00000000777E3000-memory.dmp
memory/2880-8-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-9-0x00000000777E2000-0x00000000777E3000-memory.dmp
memory/2880-10-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-5-0x0000000004D00000-0x0000000005B91000-memory.dmp
memory/2880-6-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-13-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-14-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-15-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-16-0x00000000746E0000-0x0000000075246000-memory.dmp
memory/2880-4-0x00000000746E0000-0x0000000075246000-memory.dmp
memory/2880-57-0x0000000005BA0000-0x00000000063A2000-memory.dmp
memory/2880-58-0x0000000005BA0000-0x00000000063A2000-memory.dmp