Analysis Overview
SHA256
0a0c225f0e5ee941a79f2b7701f1285e4975a2859eb4d025d96d9e366e81abb9
Threat Level: Known bad
The file acer.bin was found to be: Known bad.
Malicious Activity Summary
DarkSide
Modifies extensions of user files
Enumerates connected drives
Sets desktop wallpaper using registry
Drops file in System32 directory
Modifies data under HKEY_USERS
Opens file in notepad (likely ransom note)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Control Panel
Modifies registry class
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-08-21 10:33
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-08-21 10:33
Reported
2021-08-21 10:36
Platform
win7v20210410
Max time kernel
151s
Max time network
94s
Command Line
Signatures
DarkSide
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\HideAdd.tiff => C:\Users\Admin\Pictures\HideAdd.tiff.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SetInstall.tiff.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ExitSelect.tiff | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ExitSelect.tiff.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ExitSelect.tiff => C:\Users\Admin\Pictures\ExitSelect.tiff.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\HideAdd.tiff.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ReceiveWait.tif.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SetInstall.tiff => C:\Users\Admin\Pictures\SetInstall.tiff.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\AddDebug.crw => C:\Users\Admin\Pictures\AddDebug.crw.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ConvertFromStart.crw.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\HideAdd.tiff | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ProtectWrite.raw => C:\Users\Admin\Pictures\ProtectWrite.raw.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ProtectWrite.raw.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ReceiveWait.tif => C:\Users\Admin\Pictures\ReceiveWait.tif.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SetInstall.tiff | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\AddDebug.crw.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ConvertFromStart.crw => C:\Users\Admin\Pictures\ConvertFromStart.crw.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
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\\949640ab.BMP" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-1f-43-76-39-cd | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-1f-43-76-39-cd\WpadDecisionTime = 00f5a58d7896d701 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00300031003600380038003800620064002d0036006300360066002d0031003100640065002d0038006400310064002d003000300031006500300062006300640065003300650063007d002e0054004d002e0062006c00660000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\RegFilesHash = 3ce8860b686a8a3fcc63df49210eb2d189240a3f777d51d1bf065ffb7b83e763 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\SessionHash = 23a3da11900660ab018ae6dc9646a062fe534ffcdcaedd0906ea65b4d54e8238 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\WpadDecision = "0" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32} | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-1f-43-76-39-cd\WpadDecisionReason = "1" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\SessionHash = ef1cda7db9012cc0fbe523cc210c338e18031653a8bf6d42a18fbc8075054b92 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\RegFilesHash = 87d7c9438f7a6b262de85e703e1a695ecb7eaa5633f61bb560ebad2893c1ca29 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Control Panel\International | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\Owner = c405000020c9dd8e7896d701 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\SessionHash = efa542c045d16c2a635bb25c18372a04b0d314ec757f49f55cebba98c93d8b7a | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00300031003600380038003800620064002d0036006300360066002d0031003100640065002d0038006400310064002d003000300031006500300062006300640065003300650063007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300031002e007200650067007400720061006e0073002d006d00730000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00300031003600380038003800620064002d0036006300360066002d0031003100640065002d0038006400310064002d003000300031006500300062006300640065003300650063007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300032002e007200650067007400720061006e0073002d006d00730000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\WpadDecisionTime = 00f5a58d7896d701 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\42-1f-43-76-39-cd | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-1f-43-76-39-cd\WpadDecision = "0" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\Sequence = "1" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key deleted | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\949640ab.BMP" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700310000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\RegFilesHash = 36950349f2435ac6f56a39c36379e6fe258288897a05854074adc810bf08b3f0 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\WpadDecisionReason = "1" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\WpadNetworkName = "Network" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\SessionHash = 74af0e905d114f910d1a0595061448441af68c496ce88b437533ce8670e0f6c1 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\RestartManager\Session0000\RegFilesHash = 340569a8393d2b786de8cc8489cca4a6dfc33cdde28bdd5918b894cd0f0e6341 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a07001c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.949640ab\ = "949640ab" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\949640ab\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\949640ab\DefaultIcon\ = "C:\\ProgramData\\949640ab.ico" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.949640ab | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
"C:\Users\Admin\AppData\Local\Temp\acer.bin.exe"
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
"C:\Users\Admin\AppData\Local\Temp\acer.bin.exe"
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
"C:\Users\Admin\AppData\Local\Temp\acer.bin.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe -work worker0 job0-1160
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\README.949640ab.TXT
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | baroquetees.com | udp |
Files
memory/1096-60-0x0000000075281000-0x0000000075283000-memory.dmp
memory/1160-62-0x0000000000000000-mapping.dmp
memory/1476-64-0x0000000000000000-mapping.dmp
memory/224-66-0x000007FEFB6B1000-0x000007FEFB6B3000-memory.dmp
C:\Users\Admin\Desktop\README.949640ab.TXT
| MD5 | 164aa420be8e0c2bcdef574355edaa32 |
| SHA1 | 4336eaafedfc18a27cdf42bffad63b5a54ea8231 |
| SHA256 | b326d11dd90c2e4efb0a384981f71c2bd1a6faa0553d6389acb08945b699f73d |
| SHA512 | fd1437bc4f45e3f4b5c3d0e7fca9383f45edceb5c8cb603d0b8ee98350a5f2468c2aabdb66f16bdee0bac49afefa4300a093a54ee43b1ff28a541ae612e34d9d |
Analysis: behavioral2
Detonation Overview
Submitted
2021-08-21 10:33
Reported
2021-08-21 10:36
Platform
win10v20210408
Max time kernel
20s
Max time network
116s
Command Line
Signatures
DarkSide
Modifies extensions of user files
| Description | Indicator | Process | Target |
| File renamed | C:\Users\Admin\Pictures\DisableMove.tif => C:\Users\Admin\Pictures\DisableMove.tif.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ImportSubmit.crw.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\InitializeConvert.tif => C:\Users\Admin\Pictures\InitializeConvert.tif.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\InstallSearch.png => C:\Users\Admin\Pictures\InstallSearch.png.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SendRename.tiff | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SendRename.tiff.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ApproveWait.crw => C:\Users\Admin\Pictures\ApproveWait.crw.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\CopyRemove.tif.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\UpdateRegister.png => C:\Users\Admin\Pictures\UpdateRegister.png.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SplitRead.raw.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\CopyRemove.tif => C:\Users\Admin\Pictures\CopyRemove.tif.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\LockHide.crw => C:\Users\Admin\Pictures\LockHide.crw.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\InitializeConvert.tif.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\InstallSearch.png.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\LockHide.crw.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SplitRead.raw => C:\Users\Admin\Pictures\SplitRead.raw.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SyncExport.tiff | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\SyncExport.tiff.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\DisableMove.tif.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\ImportSubmit.crw => C:\Users\Admin\Pictures\ImportSubmit.crw.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SyncExport.tiff => C:\Users\Admin\Pictures\SyncExport.tiff.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\UpdateRegister.png.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Users\Admin\Pictures\ApproveWait.crw.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File renamed | C:\Users\Admin\Pictures\SendRename.tiff => C:\Users\Admin\Pictures\SendRename.tiff.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
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\\70d4d153.BMP" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Modifies Control Panel
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\Desktop\WallpaperStyle = "10" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c006e00740075007300650072002e006400610074002e004c004f004700310000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 91e691273fcd387b938128d9a11015443c3f79b357bbe7dd508450a52147c875 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300032002e007200650067007400720061006e0073002d006d00730000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = aa66ccf6af00957acbb7e8dc16276a608c7b07223804bd0a1c8aba4c6a78f8a5 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d002e0062006c00660000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 55eb7574d3943913a3d94015886dcf5ef76b6fefebdd61eee2d13619d9faf1c7 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = db71dabbac89e2dff05c38b69b3894398bcc98287c545859f011c19c32a0d004 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Sequence = "1" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 5b185e6bcaf1ddda0d9b852f2e23526c46a5433592c35a591511e0a7f49c3266 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key deleted | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 1bd5014a73f62176b200c0b0e8bf219ce1551e175ae11bf7719c49d4b13da17d | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Control Panel\International | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\SessionHash = 7c32e6cf0bb6476e9c1967d0220eb3abc7b00750a4ea5ea222fecbd73b94b647 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\Owner = 940f00005ee7c1538896d701 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFiles0000 = 5c005c003f005c0043003a005c00550073006500720073005c00410064006d0069006e005c004e00540055005300450052002e004400410054007b00340065003000370034003600360038002d0030006300310063002d0031003100650037002d0061003900340033002d006500340031006400320064003700310038006100320030007d002e0054004d0043006f006e007400610069006e0065007200300030003000300030003000300030003000300030003000300030003000300030003000300031002e007200650067007400720061006e0073002d006d00730000000000 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\70d4d153.BMP" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (int) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (data) | \REGISTRY\USER\.DEFAULT\Software\Microsoft\RestartManager\Session0000\RegFilesHash = 41798fbc869f7ea5231dc43f77eedbdf8d93e5ea489f9ad655a8266f3968766f | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.70d4d153\ = "70d4d153" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153\DefaultIcon | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\70d4d153\DefaultIcon\ = "C:\\ProgramData\\70d4d153.ico" | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.70d4d153 | C:\Users\Admin\AppData\Local\Temp\acer.bin.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
"C:\Users\Admin\AppData\Local\Temp\acer.bin.exe"
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
"C:\Users\Admin\AppData\Local\Temp\acer.bin.exe"
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
"C:\Users\Admin\AppData\Local\Temp\acer.bin.exe"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe -work worker0 job0-1804
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe
C:\Users\Admin\AppData\Local\Temp\acer.bin.exe -work worker1 job1-1804
Network
| Country | Destination | Domain | Proto |
| N/A | 8.8.8.8:53 | baroquetees.com | udp |
| N/A | 8.8.8.8:53 | baroquetees.com | udp |
Files
memory/1804-114-0x0000000000000000-mapping.dmp
memory/3988-115-0x0000000000000000-mapping.dmp
memory/3544-116-0x0000000000000000-mapping.dmp