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
05-11-2024 12:26
Static task
static1
Behavioral task
behavioral1
Sample
RansomwareAkira.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
RansomwareAkira.exe
Resource
win10v2004-20241007-en
General
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Target
RansomwareAkira.exe
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Size
1.0MB
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MD5
feb81a8d7e0f91d6f74b440cdd3c2f28
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SHA1
8c479629f45d8d9ea5e6ed48a3eeb9917fb7ad07
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SHA256
aaa7799edfd86b52438a9e0d71f8069cbcbe1988036b95888fcdc553e729b7b9
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SHA512
bf83affcd1ea656e05f18e55eb23cce2e2cb33ca6f24f5c22374c6f1d41f6277794c21f926939028326c043798bf34f14194b3ad51cee763b053e7a519199623
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SSDEEP
12288:Vpp+QIEmDzuImC01vbUE98pik+2i1NkshdMMK+AX99etq2dTd7f:Vpp+Q+u5bUI8pij1NkshdMf99etb5R
Malware Config
Extracted
C:\MSOCache\All Users\akira_readme.txt
akira
https://akiral2iz6a7qgd3ayp3l6yub7xx2uep76idk3u2kollpj5z3z636bad.onion
https://akiralkzxzq2dsrzsrvbr2xgbbu2wgsmxryd4csgfameg52n7efvr2id.onion/d/3175904882-XTBIJ
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 2376 2552 powershell.exe -
Renames multiple (8634) 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:
RansomwareAkira.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\akira_readme.txt RansomwareAkira.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:
RansomwareAkira.exedescription ioc process File opened for modification C:\Users\Admin\Music\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files (x86)\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Desktop\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\U9KKHJMH\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\VSUVY3HP\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Links\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Videos\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Pictures\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\TN6BGAW3\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Music\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Documents\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Libraries\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Videos\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Documents\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Downloads\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\Searches\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\Microsoft Games\Hearts\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\desktop.ini RansomwareAkira.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\FP29B0EC\desktop.ini RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI RansomwareAkira.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:
RansomwareAkira.exedescription ioc process File opened for modification C:\Program Files\Java\jre7\lib\zi\Etc\GMT-1 RansomwareAkira.exe File opened for modification C:\Program Files\Windows Media Player\it-IT\WMPMediaSharing.dll.mui RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Oasis\TAB_ON.GIF RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PUBSPAPR\ZPDIR9B.GIF RansomwareAkira.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_altgr.xml RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.event_1.3.100.v20140115-1647.jar RansomwareAkira.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\America\Cayman RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.browser.zh_CN_5.5.0.165303.jar RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-openide-nodes.xml RansomwareAkira.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\fr-FR\SpiderSolitaire.exe.mui RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\OUTFORM.DAT RansomwareAkira.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\it-IT\akira_readme.txt RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Proof.es\Proof.XML RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Volgograd RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.common_2.10.1.v20140901-1043\META-INF\MANIFEST.MF RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\TextConv\MSCONV97.DLL RansomwareAkira.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_s.png RansomwareAkira.exe File created C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsStyles\BabyBlue\akira_readme.txt RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\THEMES14\PIXEL\PREVIEW.GIF RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0103402.WMF RansomwareAkira.exe File opened for modification C:\Program Files\Windows Media Player\de-DE\wmplayer.exe.mui RansomwareAkira.exe File created C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\images\akira_readme.txt RansomwareAkira.exe File created C:\Program Files (x86)\Microsoft Office\Templates\1033\Access\WSS\akira_readme.txt RansomwareAkira.exe File opened for modification C:\Program Files\DVD Maker\Shared\Common.fxh RansomwareAkira.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\bear_formatted_rgb6.wmv RansomwareAkira.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\performance.png RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\com.jrockit.mc.feature.rcp.zh_CN_5.5.0.165303\feature.xml RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0281632.WMF RansomwareAkira.exe File created C:\Program Files\Windows Mail\en-US\akira_readme.txt RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\EXCEL_F_COL.HXK RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MORPH9.DLL RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\Proof.en\Proof.XML RansomwareAkira.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationLeft_SelectionSubpicture.png RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Bogota RansomwareAkira.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Almaty RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\NA01627_.WMF RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\viewDblClick.js RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\IPDESIGN.DLL RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\SCNPST32.DLL RansomwareAkira.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\akira_readme.txt RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0183574.WMF RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0212601.WMF RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\STSUPLD.INTL.DLL RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.components.ui.zh_CN_5.5.0.165303.jar RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0157831.WMF RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\SO00735_.WMF RansomwareAkira.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\SlideShow.Gadget\fr-FR\css\akira_readme.txt RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099166.JPG RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.metadata.nl_zh_4.4.0.v20140623020002.jar RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\bg_Earthy.gif RansomwareAkira.exe File opened for modification C:\Program Files\Windows Journal\ja-JP\jnwmon.dll.mui RansomwareAkira.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\images\add_over.png RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0211949.WMF RansomwareAkira.exe File created C:\Program Files (x86)\Microsoft Office\Office14\1033\GrooveForms5\FormsStyles\Solutions\akira_readme.txt RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ExecutiveLetter.dotx RansomwareAkira.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\mshwLatin.dll.mui RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\BD00160_.WMF RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0177806.JPG RansomwareAkira.exe File created C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\PublicAssemblies\akira_readme.txt RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\ja-JP\css\settings.css RansomwareAkira.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\Weather.Gadget\images\7.png RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\artifacts.xml RansomwareAkira.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-explorer_zh_CN.jar RansomwareAkira.exe File created C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\akira_readme.txt RansomwareAkira.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:
RansomwareAkira.exepowershell.exepid process 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 2376 powershell.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe 1924 RansomwareAkira.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 2376 powershell.exe Token: SeBackupPrivilege 2732 vssvc.exe Token: SeRestorePrivilege 2732 vssvc.exe Token: SeAuditPrivilege 2732 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\RansomwareAkira.exe"C:\Users\Admin\AppData\Local\Temp\RansomwareAkira.exe"1⤵
- Drops startup file
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1924
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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:2376
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2732
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD508f762538499795b3fabc40857f2caea
SHA1e9bf41d36e249f29877fe7f5211e3b3197edb5d4
SHA2566dd6401da86a4fa1e8b74802fa9417b573dec2c29beaa8827494702f07024c4b
SHA512e0466a5c878361ed2a3caff2a0df1f22a7772760bc81546a59f9a0e3e7402db4d67a82ceabb378857eea143d9834d6eb7284bbe10027322f648229981ab47b2a