Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
30/06/2022, 08:18
General
- Target shipping documents.exe
- Size 564KB
- Sample220630-j6958abch8
- SHA256 30aa876ee488a9eaa2410ca4127f4f2573dfbc52d0900408ed30fa93906cd355
Malware Config
Extracted
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xloader
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2.9
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gfv7
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hd4AZDZ3XeSkZ9w0NRn2+JU=
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6iAxmGKdumxFEgwp
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jM6QcxNUSeCKaUdvvh3g9mffhosQ
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d4CC0LS0DjTJS8FdXqd3soM=
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S1LPlXEIJY52Og==
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doeO7AimsF0NEvFgnIV5
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W2TlzH/byHtUU3B7tw==
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Y2RAbyZjex2qj6GQv4Q=
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ftoOsCpZdfmALQ==
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4kqL8v/6rDj8Ohs/wAjkb0gD5Gfiww==
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8mVs/AkvwLnIWp4=
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yfqAazgHioT8b9yHSKpLDtgY
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EyWD5F+Wu3L0xq/VJXgdlnFvBDdUz5WM
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jn9ty+pdRNdtcDhJ5k8nwZofm4EJ
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s9XVNv4/aRDBUx4w
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+vHFE7Fw1rnIWp4=
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wC395Yvi6G/3yoWRGW1USxzshi3Dyw==
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jcbufIN91gHAUK1RYUMYIdyqpDlUz5WM
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iIyoIvZNXwPNmBlBxGk6+A==
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C/hTD8h/KWLiMW4Mt/joXyz23Q==
Signatures
- Xloader
Xloader is a rebranded version of Formbook malware.
- suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
- suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
- Xloader Payload 4 IoCs
- Executes dropped EXE 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 2 IoCs
- Suspicious use of SetThreadContext 3 IoCs
- Drops file in Program Files directory 4 IoCs
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 48 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"{path}"3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\systray.exe"C:\Windows\SysWOW64\systray.exe"2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"3⤵
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵
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C:\Windows\SysWOW64\cmd.exe/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V3⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
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C:\Program Files (x86)\Kwpopgb\regsvc6lipdx_h.exe"C:\Program Files (x86)\Kwpopgb\regsvc6lipdx_h.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
regsvc6lipdx_h.exe
regsvc6lipdx_h.exe
DB1
DB1
memory/2952-151-0x00000000080E0000-0x000000000824C000-memory.dmp
memory/2952-149-0x00000000080E0000-0x000000000824C000-memory.dmp
memory/2952-141-0x0000000007FD0000-0x00000000080DE000-memory.dmp
memory/2952-147-0x0000000007FD0000-0x00000000080DE000-memory.dmp
memory/4764-138-0x0000000000400000-0x000000000042C000-memory.dmp
memory/4764-136-0x0000000000400000-0x000000000042C000-memory.dmp
memory/4764-140-0x0000000000F00000-0x0000000000F11000-memory.dmp
memory/4764-139-0x0000000000F60000-0x00000000012AA000-memory.dmp
memory/4872-148-0x0000000002F70000-0x0000000003000000-memory.dmp
memory/4872-144-0x0000000000FD0000-0x0000000000FFC000-memory.dmp
memory/4872-143-0x0000000000970000-0x0000000000976000-memory.dmp
memory/4872-150-0x0000000000FD0000-0x0000000000FFC000-memory.dmp
memory/4872-146-0x0000000003140000-0x000000000348A000-memory.dmp
memory/4944-130-0x0000000000620000-0x00000000006B2000-memory.dmp
memory/4944-134-0x00000000050E0000-0x00000000050EA000-memory.dmp
memory/4944-133-0x00000000051F0000-0x000000000528C000-memory.dmp
memory/4944-132-0x0000000005030000-0x00000000050C2000-memory.dmp
memory/4944-131-0x0000000005700000-0x0000000005CA4000-memory.dmp