Analysis Overview
SHA256
cc3b971f25d0ad410dbe3b7d1d6235041eb36632d0ea6e8d34a6a94e41d79df3
Threat Level: Known bad
The file PO_92847.doc was found to be: Known bad.
Malicious Activity Summary
MassLogger Main Payload
MassLogger
Executes dropped EXE
Blacklisted process makes network request
Checks computer location settings
Reads user/profile data of web browsers
Loads dropped DLL
Looks up external IP address via web service
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor
Enumerates system info in registry
Suspicious use of SetWindowsHookEx
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2020-11-30 15:41
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2020-11-30 15:41
Reported
2020-11-30 15:43
Platform
win7v20201028
Max time kernel
71s
Max time network
116s
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 |
Blacklisted 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.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 |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1568 set thread context of 1836 | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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 |
| Key created | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel | C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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 |
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\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.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\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.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\PO_92847.doc"
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\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe
"C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe"
C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe
"C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | essaytutoring.co.uk | udp |
| N/A | 107.6.141.50:80 | essaytutoring.co.uk | tcp |
| N/A | 8.8.8.8:53 | api.ipify.org | udp |
| N/A | 184.73.247.141:80 | api.ipify.org | tcp |
Files
memory/752-2-0x0000000003F90000-0x0000000003F94000-memory.dmp
memory/1940-3-0x000007FEF7500000-0x000007FEF777A000-memory.dmp
\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe
| MD5 | 4fe4c85d2319e11340eda19d10139e31 |
| SHA1 | 69d0dbe78b72b4504df3d0b86c6179102cbae921 |
| SHA256 | 1e86893e03f2f3bec014fc26e5fabd65fdfa2ddf14111707d0ef20dadf5bcef9 |
| SHA512 | cea997ee077c9738032ba1a05ec6dd4a3ff6c5815174c49d9cff9e989bb9872fd7923fbd0d78a9d7cf020bef966f827208473b56f1f8a09e359f793e7a4f2c58 |
memory/1568-5-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe
| MD5 | 4fe4c85d2319e11340eda19d10139e31 |
| SHA1 | 69d0dbe78b72b4504df3d0b86c6179102cbae921 |
| SHA256 | 1e86893e03f2f3bec014fc26e5fabd65fdfa2ddf14111707d0ef20dadf5bcef9 |
| SHA512 | cea997ee077c9738032ba1a05ec6dd4a3ff6c5815174c49d9cff9e989bb9872fd7923fbd0d78a9d7cf020bef966f827208473b56f1f8a09e359f793e7a4f2c58 |
C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe
| MD5 | 4fe4c85d2319e11340eda19d10139e31 |
| SHA1 | 69d0dbe78b72b4504df3d0b86c6179102cbae921 |
| SHA256 | 1e86893e03f2f3bec014fc26e5fabd65fdfa2ddf14111707d0ef20dadf5bcef9 |
| SHA512 | cea997ee077c9738032ba1a05ec6dd4a3ff6c5815174c49d9cff9e989bb9872fd7923fbd0d78a9d7cf020bef966f827208473b56f1f8a09e359f793e7a4f2c58 |
memory/1568-8-0x000000006B2D0000-0x000000006B9BE000-memory.dmp
memory/1568-9-0x0000000000810000-0x0000000000811000-memory.dmp
memory/1568-11-0x0000000005D10000-0x0000000005DB4000-memory.dmp
memory/1568-12-0x00000000004D0000-0x00000000004E6000-memory.dmp
memory/1836-14-0x00000000004821CE-mapping.dmp
memory/1836-13-0x0000000000400000-0x00000000004B4000-memory.dmp
C:\Users\Admin\AppData\Roaming\ueriopdrfuitr8geywtuidgouhsijc;oriuhfwej.exe
| MD5 | 4fe4c85d2319e11340eda19d10139e31 |
| SHA1 | 69d0dbe78b72b4504df3d0b86c6179102cbae921 |
| SHA256 | 1e86893e03f2f3bec014fc26e5fabd65fdfa2ddf14111707d0ef20dadf5bcef9 |
| SHA512 | cea997ee077c9738032ba1a05ec6dd4a3ff6c5815174c49d9cff9e989bb9872fd7923fbd0d78a9d7cf020bef966f827208473b56f1f8a09e359f793e7a4f2c58 |
memory/1836-16-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1836-17-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1836-18-0x000000006B2D0000-0x000000006B9BE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2020-11-30 15:41
Reported
2020-11-30 15:43
Platform
win10v20201028
Max time kernel
136s
Max time network
128s
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 |
| 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\PO_92847.doc" /o ""
Network
| Country | Destination | Domain | Proto |
| N/A | 52.109.8.21:443 | tcp |
Files
memory/756-2-0x00007FFFD2160000-0x00007FFFD2797000-memory.dmp