Analysis
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max time kernel
127s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-05-2024 02:46
Behavioral task
behavioral1
Sample
af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe
Resource
win10v2004-20240226-en
General
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Target
af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe
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Size
145KB
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MD5
8d3fd510ecfb8a4fe1266fa96b935ca9
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SHA1
c84f8f5a8045d4bdab49546f066a9f6bbbbb07b2
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SHA256
af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31
-
SHA512
fd5198ff3f661b08974cfabe02f32377c1bd20098a16ad8bc7ab526779c450eff2b2fa3d0e8fca48ecbaac761a2e023b7febb783df8a4da91ed020b8eadc5774
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SSDEEP
1536:CTWn1++PJHJXA/OsIZfzc3/Q1pkMJ+ZGtK1+ZGtKQNMdTajOtGtU1wAIuZAIuJz:KQSo1EZGtKgZGtK/PgtU1wAIuZAIuR
Malware Config
Signatures
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Renames multiple (594) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/2964-0-0x0000000000400000-0x000000000040A000-memory.dmp UPX behavioral2/files/0x000800000002323e-2.dat UPX behavioral2/files/0x000400000001d8b2-6.dat UPX behavioral2/memory/2964-216-0x0000000000400000-0x000000000040A000-memory.dmp UPX -
resource yara_rule behavioral2/memory/2964-0-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral2/files/0x000800000002323e-2.dat upx behavioral2/files/0x000400000001d8b2-6.dat upx behavioral2/memory/2964-216-0x0000000000400000-0x000000000040A000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-dayi.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\System\Ole DB\de-DE\msdasqlr.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\host\fxr\8.0.0\hostfxr.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\createdump.exe.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Security.Cryptography.X509Certificates.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.de-de.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\tipresx.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.ComponentModel.Annotations.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Xml.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RHeartbeatConfig.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\System\msadc\en-US\msadcor.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\System\msadc\msadds.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\System\Ole DB\msdaps.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig-office.xrm-ms.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\TabTip.exe.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\Microsoft.Win32.Registry.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-GB\tipresx.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Formats.Asn1.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-file-l1-1-0.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Linq.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Diagnostics.StackTrace.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Globalization.Extensions.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\7-Zip\Lang\bg.txt.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\System\ado\msadox.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\System\Ole DB\sqloledb.rll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\Microsoft.DiaSymReader.Native.amd64.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\Microsoft.NETCore.App.runtimeconfig.json.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.ComponentModel.Primitives.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.ObjectModel.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Xml.XPath.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\7-Zip\Lang\ba.txt.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\mscorrc.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\hwrlatinlm.dat.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\7-Zip\Lang\tt.txt.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\dotnet.exe.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Numerics.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\rtscom.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InputPersonalization.exe.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\TabIpsps.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Security.Principal.Windows.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipscat.xml.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.IO.Compression.FileSystem.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Reflection.DispatchProxy.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Globalization.Calendars.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\7-Zip\Lang\ku.txt.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Collections.Specialized.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-tw.dll.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\InkObj.dll.mui.tmp af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe"C:\Users\Admin\AppData\Local\Temp\af7eec6d320279b921e6ddd499055d2418352c0a41367bca037c32dac81a3a31.exe"1⤵
- Drops file in Program Files directory
PID:2964
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵PID:2492
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
145KB
MD5a1a837709e3dc21776a5b09cac0ec538
SHA18a50e6f4b3b68a8279ae7552c084679e89041f01
SHA25674a798ac7e101d1efdee8449353d59329103032548fe6292dcdc2dc6f609fe4a
SHA512221bc4ee92749339d840042adb5c4cd5db13a54896b17349ecea76b67dd510e69d7e5322caf379049fa5cc7bb85e1345600f05c12b8c7be4ebf05592d3e7ea7c
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Filesize
145KB
MD5512a06384a583b68eab9a5cc4bd5defd
SHA1b06ef33154a459d5196bab2703c0de63b419caca
SHA2564a39e9ebb62871bd59e42693ea26b4116bb8f75eae3257382686ec643ac8b146
SHA5123cc86c678a360fa67f66d4c3ae1ad3984879c649fff237874be33e2224c007d2af67eeaf56ebb8053939366c2028012720aa8bd8bf8516a49351f06f6b1db8df