Analysis
- max time kernel
149s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 04:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe
- Size 583KB
- Sample260831-ep2qasvbkf
- SHA256 b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a
- MD5 9a5c32b2ec60c3c8431176503b0db95e
- SHA1 ae11b019e000659b18fd6b4271e062e5f9c3d043
- SHA512 a2701acdd99996f5ae0ffce41c2f559d7b567f0ec782e4169cc1af82af20505710a5f9f73694cc12973592ca6a95850456d89ba1dc301cc491ba13b7548414b0
- SSDEEP 6144:SVfjmNpAuW8Iio4wo+aLurwUJ+nHxeBi8eDVeBi8eDSeC+DeeAeBi8eDrpqQ:s7+/Iigo+qw9
- TLSH T1F2D41A6036F80C13F2F716767AB0A9440C76BB7A423CE14C68ED568E6967BC04567BE3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 5836 Logo1_.exe 4880 b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe - Enumerates connected drives 3 TTPs 21 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\K: Logo1_.exe File opened (read-only) \??\Z: Logo1_.exe File opened (read-only) \??\W: Logo1_.exe File opened (read-only) \??\V: Logo1_.exe File opened (read-only) \??\Q: Logo1_.exe File opened (read-only) \??\O: Logo1_.exe File opened (read-only) \??\X: Logo1_.exe File opened (read-only) \??\U: Logo1_.exe File opened (read-only) \??\R: Logo1_.exe File opened (read-only) \??\J: Logo1_.exe File opened (read-only) \??\H: Logo1_.exe File opened (read-only) \??\G: Logo1_.exe File opened (read-only) \??\M: Logo1_.exe File opened (read-only) \??\Y: Logo1_.exe File opened (read-only) \??\S: Logo1_.exe File opened (read-only) \??\N: Logo1_.exe File opened (read-only) \??\L: Logo1_.exe File opened (read-only) \??\I: Logo1_.exe File opened (read-only) \??\D: Logo1_.exe File opened (read-only) \??\T: Logo1_.exe File opened (read-only) \??\P: Logo1_.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\VideoLAN\VLC\lua\intf\modules\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\pt-br\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\js\nls\eu-es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\root\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\cs-cz\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\es-ES\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\locale\pa\LC_MESSAGES\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\fr-ma\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\editpdf\js\nls\tr-tr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer\js\nls\fr-fr\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\WidevineCdm\_desktop.ini Logo1_.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\policytool.exe Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\css\core\dev\libs\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\nl-nl\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\fr-FR\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\ie\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\it-it\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\fss\js\nls\en-ae\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\js\nls\ko-kr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\pipanel.exe Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\js\nls\ko-kr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\Installer\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Windows NT\Accessories\en-US\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\Unicode\Mappings\Adobe\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.0\de\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\Functions\Assertions\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Windows NT\Accessories\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\ca-es\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\it-it\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\ru-ru\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\3.4.0\Examples\Validator\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\ru\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\kn\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\plugins\misc\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\js\nls\cs-cz\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\reviews\images\themes\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\scan-files\js\nls\cs-cz\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\uk-ua\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\or_IN\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\plugins\video_filter\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\unified-share\js\nls\zh-tw\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\uss-search\js\nls\da-dk\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\jfr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\lib\_desktop.ini Logo1_.exe File created C:\Program Files\WindowsPowerShell\Modules\Microsoft.PowerShell.Operation.Validation\1.0.1\Diagnostics\Simple\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\MSFT_PackageManagementSource\es-ES\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\libs\jquery.ui.touch-punch\0.2.2\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\activity-badge\css\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Common Files\Java\Java Update\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.15\zh-Hant\_desktop.ini Logo1_.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\pl-pl\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\hr-hr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\he-il\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\plugins\tracked-send\js\nls\sv-se\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\nls\zh-tw\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\Abbreviations\en_GB\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\images\_desktop.ini Logo1_.exe - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\rundl132.exe b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe File created C:\Windows\Logo1_.exe b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe File opened for modification C:\Windows\rundl132.exe Logo1_.exe File created C:\Windows\vDll.dll Logo1_.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3936 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Logo1_.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Runs net.exe
- Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe 5836 Logo1_.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4352 wrote to memory of 3936 4352 b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe 89 PID 4352 wrote to memory of 5836 4352 b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe 90 PID 5836 wrote to memory of 2360 5836 Logo1_.exe 92 PID 2360 wrote to memory of 3384 2360 net.exe 94 PID 3936 wrote to memory of 4880 3936 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe"C:\Users\Admin\AppData\Local\Temp\b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a7209.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Users\Admin\AppData\Local\Temp\b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe"C:\Users\Admin\AppData\Local\Temp\b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe"3⤵
- Executes dropped EXE
PID:4880
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C:\Windows\Logo1_.exeC:\Windows\Logo1_.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5836 -
C:\Windows\SysWOW64\net.exenet stop "Kingsoft AntiVirus Service"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"4⤵
- System Location Discovery: System Language Discovery
PID:3384
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
- Size 124KB
- SHA256 3ae31c96d842f5edd2a109ca1a38b70f6acf3950ec7f51d18a65f448a6f58117
- MD5 b6b22b3fb6cb957a18b78ae7ba4c9040
- SHA1 1f12ba70880d38cd1c0dc0aad0af3348116567d3
- SHA512 8d25966350fa2a197569962c3aa4dcf68f15c82e7d36ed6d9fe47f731dd253cf28875dbfeabe2be08a101f8358b8fab249b22ed9ffe5fc6679716af1ac108d53
- SSDEEP 3072:lftffjmNoxYhUBf8Bo/mu+YDfYz8KrRVwWEhPd4zB+IPFP6n:lVfjmNzG7/fYfLvzB+QFyn
- TLSH T105C38D1371D18871E5B20C3449E1EA719E3FF9620B449EA733C466BD0F317D1DE26A6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
- Size 481KB
- SHA256 297984cb1c691abf3614c0c64ed3ed1b8cbf2e2f2efae02e5392e110a717394c
- MD5 0c5536c6a3aefefb2d4cc1cfbb729119
- SHA1 660b05e7c4543df8ec6d4e80d6c8f3c9d667bf8c
- SHA512 9f833ca254c2e29c8fa9fe95ebeb6d62a686b99dd6597761ffb2797a0b50daa531a483f6047b8bbb059c2f15abe19aa030e67d2c1198624633146d76aebc7da8
- SSDEEP 12288:Bp7+sqIOkU8AMXE9B7PElZlP41N+4PUWfo:H7RBOkUhMXcBwc04nA
- TLSH T104A46D31A6A04037D6F106B3F915D2307E7DA2187B1184AB9394AE2D3EA85D7A7F7303
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\$$a7209.bat
- Size 722B
- SHA256 d1dfa882e0aa7f141cbdaab9a318915b6ec6669d792a9ca7b09fedf9fa1e66de
- MD5 712cf990a532888190cce6ba485ae917
- SHA1 f3f1b0a57f082bd796172f8ae5f8c15e5556ee43
- SHA512 e3e056fb253a06bf785264113f253263af8827416390392523d9496639dcd208d6fe407916faa9b5692a60f38490c050c1679753ef1f3dacea6daf485946a192
- TLSH T19E01A7924EA549AF1924B017DB52C2CDC06D3ADAB799E7986B38C056A1C18D950DF309
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\b90df8dcc529efbdde0793b5965b6c51c3efa7a889ac7ab6de3cde13b28d095a.exe.exe
- Size 557KB
- SHA256 956314ce4abf95cb91ff32bca737a615dc38bcb1fb349a96e4e4fa5fd64252ca
- MD5 c766853e9158449855b5d9cc0925904b
- SHA1 9cd986cbca432e46d2a34ea54ce69a7066fcb342
- SHA512 06c5de1113f5ff7f718a11b927dfd59d0538c88807809d700a342f589bba274d233fd83c0fd86c588ae2ea54e7c0b45179ee0c0da1ddd85d9e430734fb6dc504
- SSDEEP 6144:mAuW8Iio4wo+aLurwUJ+nHxeBi8eDVeBi8eDSeC+DeeAeBi8eDrpqQ:aIigo+qw9
- TLSH T1E7C40A6036F80C13F2F716767AB0A9440C76BB6A423CE14C68ED568E6967BC04567BE3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Logo1_.exe
- Size 26KB
- SHA256 ef3803b8356ae36cc987c4f812d380ab37cf4e8198e8ea39ba40f4f17fd95179
- MD5 6ea0dc95f012bf8ad786bd551d5b2017
- SHA1 923db947190b4364cfba3cfdd60d224cc0168f6b
- SHA512 62945aa7b91e2d4745a74c2ca1c1db24d9eea301bacc224fdefaae9e08b15becab05af6721ac19290db2fd60f2ce4a2abb4dd61de69355a1048751fb04e94812
- SSDEEP 768:TU1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoGwXnKx:CfgLdQAQfcfymNG+Kx
- TLSH T170C2E16422C71739EC565ABCDFD3A712836D4BB6006FA53A30F2957E096177C110DD23
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path F:\$RECYCLE.BIN\S-1-5-21-3989226554-2204910950-1522900112-1000\_desktop.ini
- Size 9B
- SHA256 48fc246849bbf8829b4f8949e19ffb9de4020b7e65df5ab0bdedfdbbdb956880
- MD5 3e7714d68104ffa0b685f025be924834
- SHA1 d91683bde0bea0d8cab7f8d6c29ee9bcf478c625
- SHA512 2dad49b79fae347aac4e1bb7b8bd50dd7c3ad4c9fd2179f3a4fac7c6db24d46cd8d41b38a48f47a3e412cc29682522e22c6afb463c7bb6d14136a918e27f1f2d
- MD5 SHA1 SHA512