Analysis
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max time kernel
183s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07-12-2024 21:55
Static task
static1
Behavioral task
behavioral1
Sample
rans.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
rans.exe
Resource
win10v2004-20241007-en
General
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Target
rans.exe
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Size
1.0MB
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MD5
e57340a208ac9d95a1f015a5d6d98b94
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SHA1
4549f715bfeab0477c816dc7629b3d50963c4d23
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SHA256
87b4020bcd3fad1f5711e6801ca269ef5852256eeaf350f4dde2dc46c576262d
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SHA512
d1d747149e4742849dad10c3cf5e3a7956fd7ffb76e6b9f763bfffa6a59074da34d3acbbcdd9a01df80f0ed429c7ff13ba64ccc9a2773d7257da74ccba4eac94
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SSDEEP
12288:Vpp+QIEmDzuImC01vbUE98pik+2i1NkshdMMK+AX99etq2dTdsf:Vpp+Q+u5bUI8pij1NkshdMf99etb5m
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.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 2808 2680 powershell.exe 30 -
Renames multiple (8659) 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.
pid Process 2808 powershell.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\akira_readme.txt rans.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
description ioc Process File opened for modification C:\Program Files (x86)\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\desktop.ini rans.exe File opened for modification C:\Users\Admin\Saved Games\desktop.ini rans.exe File opened for modification C:\Users\Default\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini rans.exe File opened for modification C:\Users\Public\Recorded TV\desktop.ini rans.exe File opened for modification C:\Users\Admin\Documents\desktop.ini rans.exe File opened for modification C:\Users\Admin\Downloads\desktop.ini rans.exe File opened for modification C:\Users\Admin\Favorites\Links for United States\desktop.ini rans.exe File opened for modification C:\Users\Admin\Favorites\Links\desktop.ini rans.exe File opened for modification C:\Users\Public\Downloads\desktop.ini rans.exe File opened for modification C:\Users\Public\Music\desktop.ini rans.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Desktop.ini rans.exe File opened for modification C:\Program Files\Microsoft Games\Hearts\desktop.ini rans.exe File opened for modification C:\Users\Public\Desktop\desktop.ini rans.exe File opened for modification C:\Program Files\Microsoft Games\FreeCell\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\CW1M20CU\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini rans.exe File opened for modification C:\Users\Admin\Favorites\desktop.ini rans.exe File opened for modification C:\Users\Admin\Pictures\desktop.ini rans.exe File opened for modification C:\Users\Public\Pictures\desktop.ini rans.exe File opened for modification C:\Program Files\Microsoft Games\Chess\desktop.ini rans.exe File opened for modification C:\Users\Public\Documents\desktop.ini rans.exe File opened for modification C:\Users\Public\Libraries\desktop.ini rans.exe File opened for modification C:\Users\Public\Pictures\Sample Pictures\desktop.ini rans.exe File opened for modification C:\Users\Public\Recorded TV\Sample Media\desktop.ini rans.exe File opened for modification C:\Users\Public\Videos\desktop.ini rans.exe File opened for modification C:\Users\Public\Videos\Sample Videos\desktop.ini rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\DataServices\DESKTOP.INI rans.exe File opened for modification C:\Program Files\Microsoft Games\Mahjong\desktop.ini rans.exe File opened for modification C:\Program Files\Microsoft Games\Solitaire\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\691RDNCS\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\C1JHBK4W\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\desktop.ini rans.exe File opened for modification C:\Users\Admin\Searches\desktop.ini rans.exe File opened for modification C:\Users\Admin\Videos\desktop.ini rans.exe File opened for modification C:\Users\Public\Music\Sample Music\desktop.ini rans.exe File opened for modification C:\Program Files\desktop.ini rans.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\Stationery\Desktop.ini rans.exe File opened for modification C:\Program Files\Microsoft Games\Purble Place\desktop.ini rans.exe File opened for modification C:\Program Files\Microsoft Games\SpiderSolitaire\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Feeds Cache\I618Z2Y3\desktop.ini rans.exe File opened for modification C:\Users\Admin\Music\desktop.ini rans.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\desktop.ini rans.exe File opened for modification C:\Users\Admin\Contacts\desktop.ini rans.exe File opened for modification C:\Users\Admin\Desktop\desktop.ini rans.exe File opened for modification C:\Users\Admin\Links\desktop.ini rans.exe File opened for modification C:\Users\Public\desktop.ini rans.exe -
Drops file in System32 directory 1 IoCs
description 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
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms\FormsViewAttachmentIconsMask.bmp rans.exe File created C:\Program Files (x86)\Common Files\microsoft shared\VBA\VBA6\akira_readme.txt rans.exe File created C:\Program Files\Internet Explorer\SIGNUP\akira_readme.txt rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PARNT_02.MID rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\Publisher\Backgrounds\J0143746.GIF rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0222019.WMF rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\PE02287_.WMF rans.exe File opened for modification C:\Program Files\VideoLAN\VLC\skins\fonts\FreeSans.ttf rans.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_scrapbook_Thumbnail.bmp rans.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\btn-next-static.png rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0099175.WMF rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Baghdad rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107148.WMF rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\WINWORD_COL.HXT rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\Welcome Tool\IconImagesMask.bmp rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\FD00814_.WMF rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0294991.WMF rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.ecore_2.10.1.v20140901-1043\license.html rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\sa-jdi.jar rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\LINES\BD14769_.GIF rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\HH00526_.WMF rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.apache.lucene.analysis_3.5.0.v20120725-1805.jar rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Fonts\Oriel.xml rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MEDIA\EXPLODE.WAV rans.exe File opened for modification C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\v3.0\Workflow.Targets rans.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\Push\push_item.png rans.exe File opened for modification C:\Program Files\Windows Media Player\de-DE\WMPDMC.exe.mui rans.exe File created C:\Program Files (x86)\Windows Sidebar\Gadgets\Currency.Gadget\it-IT\akira_readme.txt rans.exe File opened for modification C:\Program Files (x86)\Common Files\System\ado\fr-FR\msader15.dll.mui rans.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\MediaCenter.Gadget\js\settings.js rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host-remote_zh_CN.jar rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE rans.exe File opened for modification C:\Program Files\Common Files\System\msadc\ja-JP\msdaprsr.dll.mui rans.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\1047x576black.png rans.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\specialoccasion.png rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\CAGCAT10\J0205466.WMF rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\MSOUC_COL.HXT rans.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\hy\LC_MESSAGES\vlc.mo rans.exe File opened for modification C:\Program Files (x86)\Windows Sidebar\Gadgets\RSSFeeds.Gadget\fr-FR\RSSFeeds.html rans.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_gray_foggy.png rans.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsptb.xml rans.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\ACEXBE.DLL rans.exe File opened for modification C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\play-static.png rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\cacerts rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\DD00372_.WMF rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_it.jar rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.launcher.nl_zh_4.4.0.v20140623020002.jar rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\MEDIA\OFFICE14\BULLETS\BD15023_.GIF rans.exe File opened for modification C:\Program Files\VideoLAN\VLC\lua\modules\common.luac rans.exe File opened for modification C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\en-US\js\localizedStrings.js rans.exe File opened for modification C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\OSETUP.DLL rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0153514.WMF rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\config\ModuleAutoDeps\org-openide-filesystems.xml rans.exe File opened for modification C:\Program Files\Java\jre7\lib\zi\Asia\Taipei rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Templates\1033\ProjectStatusReport.potx rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\Publisher\Backgrounds\WB02073_.GIF rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\ADDINS\ACCOLK.DLL rans.exe File opened for modification C:\Program Files\Java\jre7\lib\deploy\messages_pt_BR.properties rans.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad\keypadbase.xml rans.exe File opened for modification C:\Program Files\Common Files\System\ado\it-IT\msader15.dll.mui rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\North_Dakota\Beulah rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\CLIPART\PUB60COR\J0107280.WMF rans.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Krasnoyarsk rans.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\Groove\ToolData\groove.net\GrooveForms5\validation.js rans.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
pid Process 2668 rans.exe 2668 rans.exe 2808 powershell.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe 2668 rans.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2808 powershell.exe Token: SeBackupPrivilege 3052 vssvc.exe Token: SeRestorePrivilege 3052 vssvc.exe Token: SeAuditPrivilege 3052 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\rans.exe"C:\Users\Admin\AppData\Local\Temp\rans.exe"1⤵
- Drops startup file
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2668
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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:2808
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3052
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD557dbac8746a2df4dbda8df286209ca99
SHA16c358a828e6d29eb0dab953ebca10101387c78eb
SHA256e78d30c7e5a835850069b709f8cd2b7d5480bcf6be9f8ef29c3fae68effb3125
SHA5126f71dada832c547663144beaebba52d87e72d7b0ee6f09b2bc44f78cc942897d3f86d37e36967e3f156d6cfdd6288433d791c4a7d79769802ca19e43702f6943