Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
04-11-2024 17:17
Static task
static1
Behavioral task
behavioral1
Sample
w.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
w.exe
Resource
win10v2004-20241007-en
General
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Target
w.exe
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Size
1.0MB
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MD5
f59d26d27cbab79fe84ef2e7e3b718f9
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SHA1
a0f9079ce2c14fc15b5bde482786c2f2f46f9d7f
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SHA256
2d931f6867e7049b450c8ab36e1f8e6a51f0ee95fc2253d0759e3e3b118fe1d1
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SHA512
02856e3770fa8fc75b5a6f523a842f9a026ca7a90ade201826369b133992b07ced4db004b3a2a7a481b02a74b059366902fa151dac6cc1dea786a066c0aeb009
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SSDEEP
12288:Vpp+QIEmDzuImC01vbUE98pik+2i1NkshdMMK+AX99etq2dTd9f:Vpp+Q+u5bUI8pij1NkshdMf99etb5P
Malware Config
Extracted
C:\PerfLogs\Admin\akira_readme.txt
akira
https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion
https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion
Signatures
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Akira
Akira is a ransomware first seen in March 2023 and targets several industries, including education, finance, real estate, manufacturing, and consulting.
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Akira family
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
powershell.exedescription pid pid_target process target process Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2804 2308 powershell.exe -
Renames multiple (8627) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell command to delete shadowcopy.
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Drops startup file 1 IoCs
Processes:
w.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\akira_readme.txt w.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 47 IoCs
Processes:
w.exedescription ioc process File opened for modification C:\Users\Admin\Music\desktop.ini w.exe File opened for modification C:\Users\Admin\Videos\desktop.ini w.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini w.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\TN6BGAW3\desktop.ini w.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini w.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini w.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini w.exe File opened for modification C:\Users\Admin\Links\desktop.ini w.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini w.exe File opened for modification C:\Users\Public\desktop.ini w.exe File opened for modification C:\Users\Public\Pictures\desktop.ini w.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini w.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\desktop.ini w.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\desktop.ini w.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini w.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini w.exe File opened for modification C:\Program Files\Microsoft Games\Hearts\desktop.ini w.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini w.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini w.exe File opened for modification C:\Users\Admin\Searches\desktop.ini w.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini w.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini w.exe File opened for modification C:\Users\Public\Desktop\desktop.ini w.exe File opened for modification C:\Users\Public\Downloads\desktop.ini w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI w.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\desktop.ini w.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini w.exe File opened for modification C:\Users\Public\Libraries\desktop.ini w.exe File opened for modification C:\Users\Public\Music\desktop.ini w.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini w.exe File opened for modification C:\Users\Public\Documents\desktop.ini w.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini w.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini w.exe File opened for modification C:\Program Files\desktop.ini w.exe File opened for modification C:\Program Files (x86)\desktop.ini w.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini w.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini w.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini w.exe File opened for modification C:\Users\Public\Videos\desktop.ini w.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini w.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\FP29B0EC\desktop.ini w.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\U9KKHJMH\desktop.ini w.exe File opened for modification C:\Users\Admin\Documents\desktop.ini w.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini w.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini w.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\desktop.ini w.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\VSUVY3HP\desktop.ini w.exe -
Drops file in System32 directory 1 IoCs
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Drops file in Program Files directory 64 IoCs
Processes:
w.exedescription ioc process File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_few-showers.png w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveDocumentReview\ActiveTabImage.jpg w.exe File created C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins3d\7b51b37fefabca87b02d4abad955fef8.arika w.exe File opened for modification C:\Program Files\Common Files\System\ado\adovbs.inc w.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-lib-uihandler_zh_CN.jar w.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-autoupdate-cli.jar w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0240175.WMF w.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\it-IT\RSSFeeds.html w.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\de-DE\slideShow.html w.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Pacific\Pitcairn w.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\base-undocked-3.png w.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\16_9-frame-background.png w.exe File opened for modification C:\Program Files (x86)\Common Files\System\en-US\wab32res.dll.mui w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH02282_.WMF w.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-lib-uihandler_ja.jar w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0086426.WMF w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105244.WMF w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\Equity.xml w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\PUBWIZ\DGWEBBTN.DPV w.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\de-DE\css\picturePuzzle.css w.exe File created C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\CONCRETE\akira_readme.txt w.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\dcommon\css\akira_readme.txt w.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Gaza w.exe File created C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\images\akira_readme.txt w.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_rainy.png w.exe File opened for modification C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Runtime\x86\resources\1033\Synchronization.rll w.exe File opened for modification C:\Program Files\Common Files\System\msadc\handler.reg w.exe File created C:\Program Files\Java\jdk1.7.0_80\jre\lib\amd64\akira_readme.txt w.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\it-IT\msadcfr.dll.mui w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0149018.JPG w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD21335_.GIF w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\INFOMS.ICO w.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\bin\NetworkServerControl.bat w.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Colombo w.exe File opened for modification C:\Program Files\Windows Journal\fr-FR\jnwmon.dll.mui w.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\de-DE\js\clock.js w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15171_.GIF w.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\PicturePuzzle.Gadget\Images\settings_corner_top_left.png w.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\fr-FR\css\settings.css w.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\ja-JP\css\settings.css w.exe File opened for modification C:\Program Files (x86)\Common Files\System\msadc\fr-FR\msadcfr.dll.mui w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO02437_.WMF w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Microsoft.Office.BusinessApplications.RuntimeUi.xml w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\OutlookAutoDiscover\YAHOO.COM.TW.XML w.exe File opened for modification C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Dataset.zip w.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-first-quarter.png w.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-modules.xml w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\GreenTea.css w.exe File opened for modification C:\Program Files\Java\jre7\lib\fonts\LucidaBrightRegular.ttf w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\WB01742_.GIF w.exe File opened for modification C:\Program Files\7-Zip\Lang\tk.txt w.exe File created C:\Program Files (x86)\Common Files\microsoft shared\TRANSLAT\ESEN\akira_readme.txt w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\J0115855.GIF w.exe File created C:\Program Files (x86)\Microsoft Office\Templates\1033\Access\Part\cd825d3037746869e7f6b34b5c396613.arika w.exe File created C:\Program Files\Common Files\Microsoft Shared\ink\hr-HR\akira_readme.txt w.exe File created C:\Program Files\Common Files\Microsoft Shared\OFFICE14\Cultures\akira_readme.txt w.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.launcher.win32.win32.x86_64.nl_ja_4.4.0.v20140623020002.jar w.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-masterfs-nio2_zh_CN.jar w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0105306.WMF w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\SAVE.GIF w.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0198102.WMF w.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\ka\LC_MESSAGES\vlc.mo w.exe File opened for modification C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui w.exe File opened for modification C:\Program Files\DVD Maker\offset.ax w.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
w.exepowershell.exepid process 1992 w.exe 1992 w.exe 2804 powershell.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe 1992 w.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 2804 powershell.exe Token: SeBackupPrivilege 2168 vssvc.exe Token: SeRestorePrivilege 2168 vssvc.exe Token: SeAuditPrivilege 2168 vssvc.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\w.exe"C:\Users\Admin\AppData\Local\Temp\w.exe"1⤵
- Drops startup file
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1992
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command "Get-WmiObject Win32_Shadowcopy | Remove-WmiObject"1⤵
- Process spawned unexpected child process
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2804
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2168
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD556b41628d5a6edbb4c4e7675b9a3c911
SHA179994881ccd79bfa9f3892665d2f40239e1610e9
SHA2566812d25eb6a2c7995957740df54d72e6b7fa58eba449d0c2e89342bd11b2d117
SHA512068e3d852d5a137b454f655da26a75f86f886399e1d38f166430ce46414800a1fd6513fe86dd702acf53f40e5c89446d166c890bc9c723c618993a3858086593