Analysis Overview
SHA256
ad7a57d9fe77aaf343581db70a3fd4a434f6a8ae92fa8731622b3ecf12319321
Threat Level: Known bad
The file TAF5xRBqc.rtf was found to be: Known bad.
Malicious Activity Summary
MassLogger
MassLogger Main Payload
Blocklisted process makes network request
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Checks computer location settings
Looks up external IP address via web service
Suspicious use of SetThreadContext
Drops file in System32 directory
Drops file in Windows directory
Office loads VBA resources, possible macro or embedded object present
Modifies Internet Explorer settings
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2020-12-07 20:21
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2020-12-07 20:21
Reported
2020-12-07 20:24
Platform
win7v20201028
Max time kernel
63s
Max time network
122s
Command Line
Signatures
MassLogger
MassLogger Main Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | N/A |
Reads user/profile data of web browsers
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1144 set thread context of 1680 | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | C:\Users\Admin\AppData\Roaming\angel376891.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Debug\WIA\wiatrace.log | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\angel376891.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\TAF5xRBqc.rtf"
C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
C:\Users\Admin\AppData\Roaming\angel376891.exe
"C:\Users\Admin\AppData\Roaming\angel376891.exe"
C:\Users\Admin\AppData\Roaming\angel376891.exe
"C:\Users\Admin\AppData\Roaming\angel376891.exe"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\angel376891.exe'
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | cdn.discordapp.com | udp |
| N/A | 162.159.135.233:80 | cdn.discordapp.com | tcp |
| N/A | 162.159.135.233:443 | cdn.discordapp.com | tcp |
| N/A | 8.8.8.8:53 | www.download.windowsupdate.com | udp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 54.243.164.148:80 | api.ipify.org | tcp |
| N/A | 8.8.8.8:53 | crl.verisign.com | udp |
Files
memory/776-2-0x0000000003F20000-0x0000000003F24000-memory.dmp
memory/1724-3-0x000007FEF72E0000-0x000007FEF755A000-memory.dmp
\Users\Admin\AppData\Roaming\angel376891.exe
| MD5 | 502651f64975fefea89045df9c37af20 |
| SHA1 | 3211c3ca578bf5c258608627662c851eb008b248 |
| SHA256 | 5de9eb96e1e47a35585e0eb77d4b2567c87d57812fdde90ecb62d3d9f9a81e8e |
| SHA512 | 1b22d2aff226a9bab3d75d841ae949be0614faaea9ad0a3bfd3a50710d4a0b87b9564119a88da9beda24cc15ceed75e7cd5cfea48a261e11a74e167224790efb |
memory/1144-6-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Roaming\angel376891.exe
| MD5 | 502651f64975fefea89045df9c37af20 |
| SHA1 | 3211c3ca578bf5c258608627662c851eb008b248 |
| SHA256 | 5de9eb96e1e47a35585e0eb77d4b2567c87d57812fdde90ecb62d3d9f9a81e8e |
| SHA512 | 1b22d2aff226a9bab3d75d841ae949be0614faaea9ad0a3bfd3a50710d4a0b87b9564119a88da9beda24cc15ceed75e7cd5cfea48a261e11a74e167224790efb |
C:\Users\Admin\AppData\Roaming\angel376891.exe
| MD5 | 502651f64975fefea89045df9c37af20 |
| SHA1 | 3211c3ca578bf5c258608627662c851eb008b248 |
| SHA256 | 5de9eb96e1e47a35585e0eb77d4b2567c87d57812fdde90ecb62d3d9f9a81e8e |
| SHA512 | 1b22d2aff226a9bab3d75d841ae949be0614faaea9ad0a3bfd3a50710d4a0b87b9564119a88da9beda24cc15ceed75e7cd5cfea48a261e11a74e167224790efb |
C:\Users\Admin\AppData\Roaming\angel376891.exe
| MD5 | 502651f64975fefea89045df9c37af20 |
| SHA1 | 3211c3ca578bf5c258608627662c851eb008b248 |
| SHA256 | 5de9eb96e1e47a35585e0eb77d4b2567c87d57812fdde90ecb62d3d9f9a81e8e |
| SHA512 | 1b22d2aff226a9bab3d75d841ae949be0614faaea9ad0a3bfd3a50710d4a0b87b9564119a88da9beda24cc15ceed75e7cd5cfea48a261e11a74e167224790efb |
memory/1144-9-0x000000006A9C0000-0x000000006B0AE000-memory.dmp
memory/1144-10-0x0000000001360000-0x0000000001361000-memory.dmp
memory/776-12-0x0000000001E70000-0x0000000001E71000-memory.dmp
memory/1144-13-0x0000000000B00000-0x0000000000B94000-memory.dmp
memory/1680-15-0x000000000048203E-mapping.dmp
memory/1680-14-0x0000000000400000-0x0000000000488000-memory.dmp
C:\Users\Admin\AppData\Roaming\angel376891.exe
| MD5 | 502651f64975fefea89045df9c37af20 |
| SHA1 | 3211c3ca578bf5c258608627662c851eb008b248 |
| SHA256 | 5de9eb96e1e47a35585e0eb77d4b2567c87d57812fdde90ecb62d3d9f9a81e8e |
| SHA512 | 1b22d2aff226a9bab3d75d841ae949be0614faaea9ad0a3bfd3a50710d4a0b87b9564119a88da9beda24cc15ceed75e7cd5cfea48a261e11a74e167224790efb |
memory/1680-17-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1680-18-0x0000000000400000-0x0000000000488000-memory.dmp
memory/1680-19-0x000000006A2D0000-0x000000006A9BE000-memory.dmp
memory/616-22-0x0000000000000000-mapping.dmp
memory/1340-23-0x0000000000000000-mapping.dmp
memory/1340-24-0x000000006A2D0000-0x000000006A9BE000-memory.dmp
memory/1340-25-0x0000000000A20000-0x0000000000A21000-memory.dmp
memory/1340-26-0x0000000004AE0000-0x0000000004AE1000-memory.dmp
memory/1340-27-0x0000000002630000-0x0000000002631000-memory.dmp
memory/1340-28-0x0000000002810000-0x0000000002811000-memory.dmp
memory/1340-31-0x0000000005FE0000-0x0000000005FE1000-memory.dmp
memory/1340-36-0x00000000060C0000-0x00000000060C1000-memory.dmp
memory/1340-37-0x0000000006120000-0x0000000006121000-memory.dmp
memory/1340-44-0x0000000006280000-0x0000000006281000-memory.dmp
memory/1340-45-0x00000000061E0000-0x00000000061E1000-memory.dmp
memory/1340-59-0x0000000006300000-0x0000000006301000-memory.dmp
memory/1340-60-0x0000000006310000-0x0000000006311000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2020-12-07 20:21
Reported
2020-12-07 20:24
Platform
win10v20201028
Max time kernel
140s
Max time network
135s
Command Line
Signatures
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE | N/A |
Processes
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\TAF5xRBqc.rtf" /o ""
Network
Files
memory/576-2-0x00007FFC30470000-0x00007FFC30AA7000-memory.dmp