Analysis
- max time kernel
150s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
24/04/2026, 13:23
Behavioral task
behavioral1
Sample
2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe
Resource
win10v2004-20260130-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe
Resource
win11-20260130-en
6 signatures
150 seconds
General
- Target 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe
- Size 4.9MB
- Sample260424-qmtgpaby2m
- SHA256 2b447ffc72d0f3cdb341ffedddb3be560348585ab9d6893b706c436d90d3d38f
- MD5 4d4a079bd84180a082a9f515114bec9f
- SHA1 14d2eee29ac7fb348ce5701db2f430ec5ca94aa7
- SHA512 c445d3cccf7fc362fa46aa2c2ade8bfc9dd99398296b6943d55c95807c5b1582f7e5686b5c847f6d51e9d4ad142d147fe68418e78f697e424e4fb4c2cce3d729
- SSDEEP 98304:Qd2waCELMjOLIalJ67sj4jmpRMTcToaxLQspp:QowaCYLIal06MTox
- TLSH T158366DF15DAE3EC8CDB21CB11113F0B5E25C352B2F14799891B248FC2265FD225A76AE
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Cosmu payload 4 IoCs
Cosmu is a worm written in C++.
resource yara_rule behavioral2/memory/2528-0-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu behavioral2/files/0x000c00000002ad99-2.dat family_cosmu behavioral2/files/0x0004000000025ca2-6.dat family_cosmu behavioral2/memory/2528-119-0x0000000000400000-0x000000000040A000-memory.dmp family_cosmu - Custom signatureDetects executables packed with eXPressor 4 IoCs
resource yara_rule behavioral2/memory/2528-0-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x000c00000002ad99-2.dat INDICATOR_EXE_Packed_eXPressor behavioral2/files/0x0004000000025ca2-6.dat INDICATOR_EXE_Packed_eXPressor behavioral2/memory/2528-119-0x0000000000400000-0x000000000040A000-memory.dmp INDICATOR_EXE_Packed_eXPressor - Renames multiple (550) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\mshwLatin.dll.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Primitives.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sk-sk.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Memory.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Serialization.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\ucrtbase.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RUI.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.hash.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\StreamServer.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\oledb32.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\nb.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\msadds.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-profile-l1-1-0.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\dbgshim.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.VisualBasic.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\eo.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msader15.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\System\ado\msado25.tlb.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\host\fxr\8.0.15\hostfxr.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Watcher.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ro-ro.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\rtscom.dll.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.deps.json.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\fy.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\hi.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems32.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RHeartbeatConfig.xml.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\vi-VN\tipresx.dll.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-1-0.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.Windows.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.HttpListener.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TabTip.exe.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ipsnld.xml.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\ShapeCollector.exe.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TabTip.exe.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOInstallerUI.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\kaa.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\microsoft shared\ink\gl-ES\tipresx.dll.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-memory-l1-1-0.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-namedpipe-l1-1-0.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Console.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Claims.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\License.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\hr.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\sk.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.Json.dll.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\es.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe File created C:\Program Files\7-Zip\Lang\mng.txt.tmp 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe - System Location Discovery: System Language Discovery 1 TTPs 1 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 2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-24_4d4a079bd84180a082a9f515114bec9f_elex_wannacry.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2528
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-2397528088-2630719772-1129911217-1000\desktop.ini.tmp
- Size 4.9MB
- SHA256 d0c1d78b76edbbc404e2d12411ec533b188cb93c03c9886e82848922f042fbed
- MD5 cc1b375c8a31a97d593e0050f1875840
- SHA1 357390ddde7cf2b31238b53e3b5eb8e1eeb84eb7
- SHA512 e88bb184177aa1d7fc1d9fb5948981c302990b95af6a45fc47ebfd053360cf770adf793ef7d074e157152fa17d831fdf7b78dcba16a08645bbd599a7a41fe19b
- SSDEEP 98304:Qd2waCELMjOLIalJ67sj4jmpRMTcToaxLQspm:QowaCYLIal06MTou
- TLSH T1ED366DF15DAE3EC8CDB21CB11113F0B5E25C352B2F14799891B248FC2265FD225A76AE
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 5.0MB
- SHA256 68d56358d7fc42e4eec70409152838aa66f3d918ed91895cf1f58441dfb58a02
- MD5 01a724a330ed431f1a99384ff0689ae5
- SHA1 85d13841689e72d90b5afdd61fdeb823bc7ee23d
- SHA512 9f18de4e5e87fedf24c36cf8974d8a1a6af5291a9ac51cecc99203fbbb08067c27b10bb9fc571a8c63c098cb1873fc6fbedc6040a2016423c8621b89d62018da
- SSDEEP 98304:Qd2waCELMjOLIalJ67sj4jmpRMTcToaxLQspu:QowaCYLIal06MToG
- TLSH T151366CF11DAE3EC8CDB21DB11113F4B5E25C352B3E14799891B248FC2225FD225A76AE
- MD5 SHA1 SHA512 SSDEEP TLSH