Analysis
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max time kernel
154s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05-04-2024 08:36
Static task
static1
Behavioral task
behavioral1
Sample
4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe
Resource
win10v2004-20240226-en
General
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Target
4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe
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Size
1005KB
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MD5
c2cbbd6e392a453a47da69d086756e71
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SHA1
f308c74c20d75c5f850cdc2468dfe54c3c31eccd
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SHA256
4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef
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SHA512
1be750d4b862d8cec5a15fc93031d8e2e522d76ac7bb58e8e1ccd6f95ed6ce3e109ffb4c7f6c2f47a7dd0428382243dd5a5cc7b1ef997a05de4bd63f73457fad
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SSDEEP
12288:wbWIqB/A1gv9XQ7ZNlZDV3LEWI+Xx+uBW6y4qNmhJ:wbyxv9XQ7B3oWI+XHW6y4R
Malware Config
Extracted
C:\Program Files (x86)\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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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 3340 3104 powershell.exe -
Renames multiple (5667) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops desktop.ini file(s) 3 IoCs
Processes:
4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exedescription ioc process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\DESKTOP.INI 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\desktop.ini 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\desktop.ini 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe -
Drops file in Program Files directory 64 IoCs
Processes:
4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exedescription ioc process File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\aicuc\js\plugins\selection-action-plugins\cpdf\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Extreme Shadow.eftx 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\dc-annotations\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\ca-es\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\hr-hr\ui-strings.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\tr-tr\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Fonts\private\ANTQUAI.TTF 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-ppd.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\ca-es\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files\Microsoft Office\root\Office16\432c02c47ac7c8e2f3cedbfec6268103.arika 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files\Common Files\System\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_folder-disabled_32.svg 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\server\19a1ce0a17637330562bac2838d89751.arika 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\home\images\files_icons2x.png 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-ul-oob.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Fonts\private\DUBAI-REGULAR.TTF 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\base_uris.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-pl.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\fr-ma\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\walk-through\js\nls\nb-no\ui-strings.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\S_IlluEmptyStateCCFiles_280x192.svg 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\NewComment.White.png 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ul-oob.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-140.png 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN102.XML 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\cs-cz\ui-strings.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-pl.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ppd.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-ul-oob.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\desktop-connector-files\js\nls\fr-fr\ui-strings.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\Localized_images\PlayStore_icon.svg 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\root\ui-strings.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Java\jre-1.8\legal\javafx\directshow.md 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\jvm.hprof.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\img\tools\@1x\themes\dark\[email protected] 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\js\nls\ui-strings.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\hi_contrast\core_icons_hiContrast_wob.png 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\he-il\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ul-oob.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-black_scale-180.png 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN001.XML 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\sdxhelper.exe.manifest 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\en-GB.pak 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files\Java\jre-1.8\lib\ext\28385dac25a7fab3008c9600a790f886.arika 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\images\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\images\themes\dark\s_radio_unselected_18.svg 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\Download_on_the_App_Store_Badge_zh_tw_135x40.svg 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ul-phn.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_KMS_Client-ul.xrm-ms 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\ja-jp\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\ru-ru\ui-strings.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\zh-tw\ui-strings.js 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\images\themes\dark\rhp_world_icon_2x.png 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\MyriadPro-It.otf 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Internet Explorer\uk-UA\iexplore.exe.mui 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\s_sortedby_up_hover_18.svg 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\images\themes\dark\s_selectlist_checkmark_18.svg 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\js\nls\sl-si\akira_readme.txt 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exepowershell.exepid process 2860 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe 2860 4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe 3340 powershell.exe 3340 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
powershell.exevssvc.exedescription pid process Token: SeDebugPrivilege 3340 powershell.exe Token: SeBackupPrivilege 4880 vssvc.exe Token: SeRestorePrivilege 4880 vssvc.exe Token: SeAuditPrivilege 4880 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\4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe"C:\Users\Admin\AppData\Local\Temp\4102ee321317c71841798078072a6c13b6a4890bbee7aa9c31f6ac7d0d4afaef.bin.exe"1⤵
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:2860
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3340
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4880
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
2KB
MD51f3c11455ce72dc4d19e71949ddd90c6
SHA14607dfeebf63d528e7e476dafec16f7c37342ee1
SHA25635dce06812b12c8e64aff7f66d1c09146171ed05dcbba85428e85123492ed0b0
SHA512ee21e5f59e22d7c812030be0d841bcdcd82a97cc78d9cc1ecdcc94f807e6e7994f3be828b188f0fd68914975fdc649d18f09da5929a9f2a2e293929216b31d80
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82