Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/09/2026, 07:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe
Resource
win10v2004-20260911-en
9 signatures
150 seconds
General
- Target a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe
- Size 2.6MB
- Sample260922-jjhsfsbb33
- SHA256 a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41
- MD5 c9a4aa8d9ccdd31d36420049bbca58ee
- SHA1 b43d834b72561d017e1181598510d0c57fb95f7a
- SHA512 4c9983102d431583ced1b7476ff18ff093404a66802df0048c8576e16fbdc9d320ce80af9181987f574f4a147e5fd468da469fa7fe7cd432ac9e831e33ae21d6
- SSDEEP 49152:97LJppoydf9KhttwEPokg4PoP4gadGBBt9WQ1q:hJppJxstBPokdg+Kr9W
- TLSH T1ACC5D01162C8903AF0765E374D7BE681A53DB9212E21DC1B3BEC174D5E79A40BE3632B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4620 Logo1_.exe 4968 a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.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) \??\W: Logo1_.exe File opened (read-only) \??\V: Logo1_.exe File opened (read-only) \??\D: Logo1_.exe File opened (read-only) \??\Z: Logo1_.exe File opened (read-only) \??\U: Logo1_.exe File opened (read-only) \??\P: Logo1_.exe File opened (read-only) \??\L: Logo1_.exe File opened (read-only) \??\Y: Logo1_.exe File opened (read-only) \??\X: Logo1_.exe File opened (read-only) \??\T: Logo1_.exe File opened (read-only) \??\S: Logo1_.exe File opened (read-only) \??\R: Logo1_.exe File opened (read-only) \??\Q: Logo1_.exe File opened (read-only) \??\O: Logo1_.exe File opened (read-only) \??\N: Logo1_.exe File opened (read-only) \??\M: Logo1_.exe File opened (read-only) \??\K: Logo1_.exe File opened (read-only) \??\J: Logo1_.exe File opened (read-only) \??\I: Logo1_.exe File opened (read-only) \??\H: Logo1_.exe File opened (read-only) \??\G: Logo1_.exe - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\Adobe\Reader\DC\Linguistics\Providers\Plugins2\AdobeHunspellPlugin\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA\Pipeline.v10.0\AddInViews\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstatd.exe Logo1_.exe File created C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\VideoLAN\VLC\locale\fur\LC_MESSAGES\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\locale\zu\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\da-dk\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\ja-jp\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\plugins\text_renderer\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\exportpdfupsell-app\js\nls\sl-sl\_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\fr-ma\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Windows Photo Viewer\de-DE\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Windows Defender Advanced Threat Protection\SenseTVM.exe Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\ca-es\_desktop.ini Logo1_.exe File created C:\Program Files\WindowsPowerShell\Modules\PSReadLine\2.0.0\de\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\ob-preview\js\nls\es-es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\js\viewer\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\_desktop.ini Logo1_.exe File created C:\Program Files\Windows Defender\Offline\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-computer-select\js\nls\uk-ua\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Common Files\Microsoft Shared\ink\es-ES\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft\EdgeCore\139.0.3405.125\EBWebView\x86\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\combinepdf\js\nls\sl-sl\_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\en-gb\_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\uk-ua\_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\da-dk\_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 created C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\es-ES\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\it-IT\_desktop.ini Logo1_.exe File created C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\ja-JP\_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\ro-ro\_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\fi-fi\_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\ru-ru\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Common Files\Java\Java Update\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Microsoft\EdgeWebView\Application\122.0.2365.106\EBWebView\x64\_desktop.ini Logo1_.exe File created C:\Program Files\Uninstall Information\_desktop.ini Logo1_.exe File created C:\Program Files\WindowsPowerShell\Modules\PowerShellGet\1.0.0.1\en-US\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\core\dev\nls\en-il\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\tr-tr\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe Logo1_.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\security\policy\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\lua\http\requests\_desktop.ini Logo1_.exe File opened for modification 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)\WindowsPowerShell\Modules\Microsoft.PowerShell.Operation.Validation\1.0.1\Test\Modules\Example3.Diagnostics\2.0.1\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\generic-rhp-app\js\nls\root\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\css\app\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Windows Media Player\Visualizations\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\it\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\ca-es\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\TypeSupport\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\DSCResources\ja-JP\_desktop.ini Logo1_.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\fonts\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\add-account\_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)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\css\_desktop.ini Logo1_.exe File created C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\tracked-send\images\email\dummy\_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\fr-ma\_desktop.ini Logo1_.exe File opened for modification C:\Program Files (x86)\WindowsPowerShell\Modules\Pester\_desktop.ini Logo1_.exe File created C:\Program Files\VideoLAN\VLC\locale\uk\_desktop.ini Logo1_.exe File opened for modification C:\Program Files\Windows Defender\MpDlpCmd.exe Logo1_.exe - Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\Logo1_.exe a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe File opened for modification C:\Windows\rundl132.exe Logo1_.exe File created C:\Windows\vDll.dll Logo1_.exe File created C:\Windows\rundl132.exe a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.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 5148 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 a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.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 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe 4620 Logo1_.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 5108 wrote to memory of 5148 5108 a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe 89 PID 5108 wrote to memory of 4620 5108 a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe 90 PID 4620 wrote to memory of 4072 4620 Logo1_.exe 91 PID 4072 wrote to memory of 2904 4072 net.exe 94 PID 5148 wrote to memory of 4968 5148 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe"C:\Users\Admin\AppData\Local\Temp\a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a769.bat2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5148 -
C:\Users\Admin\AppData\Local\Temp\a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe"C:\Users\Admin\AppData\Local\Temp\a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe"3⤵
- Executes dropped EXE
PID:4968
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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:4620 -
C:\Windows\SysWOW64\net.exenet stop "Kingsoft AntiVirus Service"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"4⤵
- System Location Discovery: System Language Discovery
PID:2904
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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 adf90f86dce9411a889e8912fd5a701b3331db759c74b8c7d171788f18887696
- MD5 31ead41f831865054b87b879886c884d
- SHA1 f708d5c637c8a2c9ef075ccbbb5cc1019d0e23b8
- SHA512 71d3a1a552e2852ebe24ba1fe58d7523e35289550d7ba1c17654b15bb818bb4d8b6ef75952c1cfceef2ad6bd180fdd7d403b5ca980c4b6c5bcb82901285c9447
- SSDEEP 3072:6ftffjmNIhUBf8Bo/mu+YDfYz8KrRVwWEhPd4zB+IPFP6n:6VfjmN2G7/fYfLvzB+QFyn
- TLSH T1D5C37C1371D08861E5B20C3449E1EA619E3FFD620B409EA737C467BE0F317D1DE26A6A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
- Size 481KB
- SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
- MD5 1db5b390daa2d070657fbdb4f5d2cc55
- SHA1 77e633e49df484b827080753514cc376749b0ceb
- SHA512 68aa0152f5aae79a146c1813915fd16ec5454b285bd1781370923f97d6c147d53684192f7f4161e5c1a340959ec432ecaac127b0abe7d08f70c387e08ee4f617
- SSDEEP 12288:Pp7+ZqIOkU8AMXE9B7PElZlP41N+4PUWfo:R7ABOkUhMXcBwc04nA
- TLSH T116A46D31A6A04037D6F106B3F915D2307E7DA2187B1184AB9394AE2D3EA95D7A7F7303
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\$$a769.bat
- Size 721B
- SHA256 511319b79da1caef6c6cc089d1537e6e92916693eb39512b213c1f1fd5fd5fd1
- MD5 a61ef40f9398197f7b88b220b5baa242
- SHA1 28de229467e82357ae44110061efb41dc97b7533
- SHA512 5279f7f3e1d3651e9fcec4173965ae6354d1279b6a8c3ed6405a6a5e38a0511a019c61e5e5bc852c4e1ee2d1898d40fd22e78cc71bcc6c87a48aa0e67b3eb106
- TLSH T1D101F71B8A47D27F5CE641AB9A75919F80A309E8BD6637042736C98701817CC52FBFDC
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\a3cd75a47b98facf3320f451151abd49450cfdeec61df02f360f69243d1bfe41.exe.exe
- Size 2.6MB
- SHA256 11fc34f234d2effe88c1e920b1dca1f429f703f6b825014a6c6d709e01ef73dc
- MD5 50bd390ac317e084f688f050124a9a59
- SHA1 3fb5c9e902bbd5cbd5a221a7a22534b3facf6d98
- SHA512 e4473de3d47ac7ae8d8770aaeaa1b4427cb5b1b376423a524809ddd01c9f3ad776d414233621f3c02c44317ad4369ef786457879f2f8a898c8c8c38fdc4ecc28
- SSDEEP 49152:MJppoydf9KhttwEPokg4PoP4gadGBBt9WQ1q:MJppJxstBPokdg+Kr9W
- TLSH T1B9C5D01162C8903AF0765E374D7BE681A53DB9212E21DC1B3BEC174D5E79A40BE3632B
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\Logo1_.exe
- Size 26KB
- SHA256 8c17a6352be45db89b3a3318a6cb45aec1c999af136a78aa784926c7c685dc94
- MD5 9a5aab29544a628be3ea4a99efc55160
- SHA1 1fe2bb5734ac4987589c9fd021db5dd2efc63769
- SHA512 8583ecfcc8a3871fcec7107db1a0eb22dba7ea71ee0cf832c0dedb4984343e0899c904213a397b401d53ce076cc84ab6e01ead499253b5f8e62d5ef2d2c6a728
- SSDEEP 768:B1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoL:XfgLdQAQfcfymN
- TLSH T121C2D07A26CC1675E8298D7CDFD65301833D0F7B499F54752AB27B7A2360A28610FA13
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path F:\$RECYCLE.BIN\S-1-5-21-1704430598-3087477806-3297458608-1000\_desktop.ini
- Size 9B
- SHA256 110df0648174cdd0f59f03074b074dd0856b75a6bb090739d1ea81587092e15a
- MD5 d9d782241ad413bd7830b21a7a78a87b
- SHA1 d30216d58ec51737dc3b6f9a7a11a8406cf8c114
- SHA512 601ae630e8408dc0467dbd1b03a2a1d7488c4e7afcaeec324019ea4d587c05f38d929a8dc05e2ddde3692b51a2de36d73a05067aa81eab5c25b5cc50de283857
- MD5 SHA1 SHA512