Analysis Overview
SHA256
59e0ab333060b4e510db5d36d87f0fe267ab66b0881955649b06d91d6dd2d486
Threat Level: Known bad
The file star.exe was found to be: Known bad.
Malicious Activity Summary
GlobeImposter
Modifies extensions of user files
Checks computer location settings
Adds Run key to start application
Drops desktop.ini file(s)
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-05-07 04:25
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-05-07 04:25
Reported
2022-05-07 04:39
Platform
win7-20220414-en
Max time kernel
174s
Max time network
48s
Command Line
Signatures
GlobeImposter
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\CheckpointOpen.crw => C:\Users\Admin\Pictures\CheckpointOpen.crw.xls | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ConvertFromWrite.raw => C:\Users\Admin\Pictures\ConvertFromWrite.raw.xls | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\RenameRedo.png => C:\Users\Admin\Pictures\RenameRedo.png.xls | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SelectUnprotect.raw => C:\Users\Admin\Pictures\SelectUnprotect.raw.xls | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\UnprotectResolve.raw => C:\Users\Admin\Pictures\UnprotectResolve.raw.xls | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\UpdateEdit.crw => C:\Users\Admin\Pictures\UpdateEdit.crw.xls | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ApproveSearch.tiff | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ApproveSearch.tiff => C:\Users\Admin\Pictures\ApproveSearch.tiff.xls | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\star.exe" | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Admin\Downloads\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Recorded TV\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Recorded TV\Sample Media\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Pictures\Sample Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Music\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Favorites\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Videos\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Desktop\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Videos\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Saved Games\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Favorites\Links for United States\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Searches\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Favorites\Links\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Music\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Libraries\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Downloads\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Documents\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Videos\Sample Videos\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Music\Sample Music\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Documents\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Admin\Links\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1944 set thread context of 1088 | N/A | C:\Users\Admin\AppData\Local\Temp\star.exe | C:\Users\Admin\AppData\Local\Temp\star.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\star.exe
"C:\Users\Admin\AppData\Local\Temp\star.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jVYbanglCI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp280B.tmp"
C:\Users\Admin\AppData\Local\Temp\star.exe
"{path}"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp |
Files
memory/1944-54-0x0000000000820000-0x0000000000880000-memory.dmp
memory/1944-55-0x0000000075801000-0x0000000075803000-memory.dmp
memory/1944-56-0x0000000000390000-0x000000000039A000-memory.dmp
memory/1944-57-0x0000000004BE0000-0x0000000004C46000-memory.dmp
memory/1944-58-0x00000000006B0000-0x00000000006C2000-memory.dmp
memory/2008-59-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp280B.tmp
| MD5 | bb910ae88dc840ba6e45389ffe6c6196 |
| SHA1 | 640c0e3a1e918c12255a51f16ab6bb5ece1e85a6 |
| SHA256 | 68be26cec28d3e64f867678c40994352ad27b2e92c0c7db9fdaf068b290541ee |
| SHA512 | e6b95310c5b3ad7553e9992ade23934e4ed128959702ca39b9c27cf5408517e1b2ca336a2823323aaf841ca04a793030cbd60af6d40ec15f728981c9bf840fb1 |
memory/1088-61-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1088-62-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1088-64-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1088-65-0x0000000000409F20-mapping.dmp
memory/1088-68-0x0000000000400000-0x000000000040E000-memory.dmp
memory/1088-69-0x0000000000400000-0x000000000040E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-05-07 04:25
Reported
2022-05-07 04:39
Platform
win10v2004-20220414-en
Max time kernel
184s
Max time network
190s
Command Line
Signatures
GlobeImposter
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\BrowserUpdateCheck = "C:\\Users\\Admin\\AppData\\Local\\star.exe" | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File opened for modification | C:\Users\Public\Videos\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Pictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Music\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Downloads\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Desktop\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Libraries\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\Documents\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
| File opened for modification | C:\Users\Public\AccountPictures\desktop.ini | C:\Users\Admin\AppData\Local\Temp\star.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1832 set thread context of 3832 | N/A | C:\Users\Admin\AppData\Local\Temp\star.exe | C:\Users\Admin\AppData\Local\Temp\star.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\star.exe
"C:\Users\Admin\AppData\Local\Temp\star.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jVYbanglCI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA345.tmp"
C:\Users\Admin\AppData\Local\Temp\star.exe
"{path}"
Network
| Country | Destination | Domain | Proto |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | 14.110.152.52.in-addr.arpa | udp |
| US | 13.107.21.200:443 | tcp | |
| US | 8.8.8.8:53 | 6.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.3.0.4.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/1832-130-0x00000000006B0000-0x0000000000710000-memory.dmp
memory/1832-131-0x0000000004F70000-0x000000000500C000-memory.dmp
memory/1832-132-0x00000000055C0000-0x0000000005B64000-memory.dmp
memory/1832-133-0x00000000050B0000-0x0000000005142000-memory.dmp
memory/1832-134-0x0000000005010000-0x000000000501A000-memory.dmp
memory/1832-135-0x0000000005270000-0x00000000052C6000-memory.dmp
memory/1232-136-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpA345.tmp
| MD5 | a140b0e5062c89d008506078cc40d719 |
| SHA1 | 4cb33bbf1e51c83d8f2a41609d9b8f7fdfd586c4 |
| SHA256 | 64bedecbca9b6ade27a038f019ab74b887018e95c1af10d0c78f64930bf557b4 |
| SHA512 | fbd8b9358611c6c3a1c2f7dd8869507e99444d534f81b7115b9a66b5782e8500416415d665b51c153dc49202c23cf007a43dd7266534eb8f86c34307d72be8df |
memory/3832-138-0x0000000000000000-mapping.dmp
memory/3832-139-0x0000000000400000-0x000000000040E000-memory.dmp
memory/3832-141-0x0000000000400000-0x000000000040E000-memory.dmp
memory/3832-142-0x0000000000400000-0x000000000040E000-memory.dmp