Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/09/2026, 12:16
Behavioral task
behavioral1
Sample
ransomware/WanaDecrypt0r.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
ransomware/WanaDecrypt0r.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target ransomware/WanaDecrypt0r.exe
- Size 7.7MB
- Sample260929-pffftazzc1
- SHA256 37747ef98d4574a4fb8b87039526f4e6f6ff6e0c654eb9dcf13833e7e27a6149
- MD5 80ae91891bdb20fc9ffbc35af0e1352b
- SHA1 2c4606168d8491f3d6ad17f5e2cc4eba28dbd638
- SHA512 4c34d95fd6b3fde9781c1be1e8cb3a8fc94d920844e8c79a74d54b33b62374129983fbc1c2e4e5b6e21d301a0bea039a6d165f248ebcb9d60389d4d6b2fe9d25
- SSDEEP 196608:2r2eYdDAXurHSuhHToAUPNfGU5vXvE4LDdIOZ+:2KdEXuXhHTodRGkXs4/PA
- TLSH T189863365A3C599F9FEB3E93C96630245D3B63C061720C5DB02D986527E376F02A3A372
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 2476 powershell.exe 5932 powershell.exe - Loads dropped DLL 5 IoCs
pid Process 3320 WanaDecrypt0r.exe 3320 WanaDecrypt0r.exe 3320 WanaDecrypt0r.exe 3320 WanaDecrypt0r.exe 3320 WanaDecrypt0r.exe - Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
ioc Process \??\F:\ powershell.exe \??\F:\ powershell.exe - Sets desktop wallpaper using registry 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2251218687-1689653882-3767565116-1000\Control Panel\Desktop\WallPaper = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Themes\\ThemeBackground.bmp" powershell.exe Set value (str) \REGISTRY\USER\S-1-5-21-2251218687-1689653882-3767565116-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Themes\\ThemeBackground.bmp" powershell.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2476 powershell.exe 2476 powershell.exe 5932 powershell.exe 5932 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 5932 powershell.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2212 wrote to memory of 3320 2212 WanaDecrypt0r.exe 89 PID 3320 wrote to memory of 2476 3320 WanaDecrypt0r.exe 90 PID 2476 wrote to memory of 5216 2476 powershell.exe 92 PID 5216 wrote to memory of 3828 5216 csc.exe 93 PID 2476 wrote to memory of 5932 2476 powershell.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\ransomware\WanaDecrypt0r.exe"C:\Users\Admin\AppData\Local\Temp\ransomware\WanaDecrypt0r.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Users\Admin\AppData\Local\Temp\ransomware\WanaDecrypt0r.exe"C:\Users\Admin\AppData\Local\Temp\ransomware\WanaDecrypt0r.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3320 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File C:\Users\Admin\AppData\Local\Temp\WinUpdateCache\Run.ps13⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Sets desktop wallpaper using registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ncwfywq0\ncwfywq0.cmdline"4⤵
- Suspicious use of WriteProcessMemory
PID:5216 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2764.tmp" "c:\Users\Admin\AppData\Local\Temp\ncwfywq0\CSCDD4DF2915EBB4C63A1A434D536E4A94.TMP"5⤵PID:3828
-
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\WinUpdateCache\LockScreen.ps1"4⤵
- Command and Scripting Interpreter: PowerShell
- Enumerates connected drives
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5932
-
-
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 8f115b2f85ada340d5c18856c6fabbc6ac1dc6fce9c7294d9d216a63fec333f3
- MD5 152a8a213f0bb60e3a57cc8b53f780e7
- SHA1 0702bf4f40b7960cd5a81cc5825e02c22693af64
- SHA512 4d1cc55e809003f0cceba53add5ecea6790ebd2d2cffc856cd8457009c35c2413f501503f248ddba26d3acb488e9a3c8b6d7c67695f8b838e0c005bc1bf4b9a3
- TLSH T108216833B3DC8615D899413A50CEEC1036B6C7DB80DECF6B7B85D649A53F699CE602A0
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\RES2764.tmp
- Size 1KB
- SHA256 839126d35a709f51988743996193648236e772d0c1c496cb24f9464bd906bc41
- MD5 a762dc678b74270e0d8aabb5b03c0655
- SHA1 53b988564f763979d646548ecdcce47ddae53aaf
- SHA512 d68c2733d8f2f6f482fd791aa8dbd2a799726d9bb9db95b53f8d61ecbc349a1ad67e0d988efc646565d99929325491e6016704b5aff7b4a2a1c42abe4e89cbeb
- TLSH T1A7218C0493E9871FF0B74732A9F6232FA575FD64DFA2579A8840022D2C51504EEE1B72
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\FileCryptography.psm1
- Size 14KB
- SHA256 bb970dffceeedeac03b78e0500d19d23a2cf7a8d80362912ba216d0a5e8eb5db
- MD5 a528542f33dcb34418bae828deaa8b3e
- SHA1 a56f9a88600d549b3ba831e977f036e46b6a50bd
- SHA512 683020b8963ffe336679e1552d187a01713718790264ecad81da3c238338980444a7578b77da82b3143b2c03af1340d55a3786ea02e04b4ee9f5e84248c04272
- SSDEEP 192:tm1oaf6XeydX5+wA8kMuL6ufzUL6ih6iPCD7Iu/kGyUB4p1CUFLDv6/7JbABjVuH:tm1Lyt5+z3M+6PCDCUB4p4oLr6ajJ+
- TLSH T1286295543F969AD503C220B5EA3EEA448735862F90792F18FBCCD104BF9251CE6A9BD4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\LockScreen.ps1
- Size 4KB
- SHA256 20b8d4a4415663decf6ab4f8955c7344d9273e5cf1bf0de411a5f61474789dae
- MD5 e920d6359156f90ec5c43d7c07135360
- SHA1 0c1efa1bafdc1fc287e5bd9b4a6b49e1656bb470
- SHA512 6fb3d043e1a446189412b4055e35385b48b09bd90ea292702c7479d82db64d82c22db09748ce9f6df087aa7ef2d3999283b558709c15b4db30de2976cfad5b43
- SSDEEP 96:lxD7b5D2eCQGWxMm+90c5s39slblPecDp5w5QjlcOGnBESywNKBj:lzywGqMm+90c5S9QRPecDpuKJcOG5ylV
- TLSH T12791442D7778D230A7D2A69DEAEBD885AD1A11365001D9043ADFE06CD76D025C3BB34A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\RanSim.ps1
- Size 2KB
- SHA256 4de8dd007b04ec7e26ce3610e8633bbcadf6284332d9ab1d84b6c8b3fd8c50f7
- MD5 8a7c56f4344a3c64016b71b71e5994ff
- SHA1 7f7f234c8364aa255cba3c070bfc77737e64b6d3
- SHA512 05a23939818a7fc0d016f0eb870bf755b64f10d4d7b48f929ba71d131db63accefb429f4046b60f2efced3a5778629d31f3a916149182f88e7f15b37c09685ea
- TLSH T1FE512E123EE457E59651268BEF7DE0097318A4BF76597B14B8CDA2003F02B1805DAAF3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\Run.ps1
- Size 5KB
- SHA256 134b1372b1a1c7a4c165d80bad8fbbb0d34ffcfb7beeb6d9449eef01418f1898
- MD5 ad0a4988cdbf19163ac660bb8bff897a
- SHA1 760cdbb5a588dbf51f96160a984477eb515f1335
- SHA512 ac83e79bc7930a44a664776b29bc7045e2dffa69b0f1c92be48113ea7ef6783d85269dd1b85cb2984100c812b713c126f4ee3b07e45cf233a11f21e536fff42a
- SSDEEP 96:lxjxVyJU5qpo71FA+BSQJ3GB3WcUh7Yy2yQym975sJ9v5h49+5M9N56AkKgj0ksZ:lJt5qW71FjBD4B3WcUh7Yy2yQym97+J4
- TLSH T19CB10A2F7F26C51C8B93C06B9ABED441DB2415A701B5A80671CDE1D49F0D934C3BFAA4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\VCRUNTIME140.dll
- Size 117KB
- SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
- MD5 32da96115c9d783a0769312c0482a62d
- SHA1 2ea840a5faa87a2fe8d7e5cb4367f2418077d66b
- SHA512 616c78b4a24761d4640ae2377b873f7779322ef7bc26f8de7da0d880b227c577ed6f5ed794fc733468477b2fcdb7916def250e5dc63e79257616f99768419087
- SSDEEP 1536:Z9TXF5YXWbj8qr51XlN+dULTCe1IGhKWyxLiyaXYaNxoecbdhUoaLjTz164zEd:ZEnsvReGsWyxLizXFkecbd1aPTzW
- TLSH T10DC38C8572A002FBD16AC274C1A36A17FB75B94487B0A7CF03B58A650F53BE09E3D356
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\_bz2.pyd
- Size 84KB
- SHA256 65f610646d10d5babea080e060d244b546ec52c54012e5e937dc72dcc2e2e7bc
- MD5 2be172c3086efe56c7e1d3279142295a
- SHA1 910e0d7ec11d1efda15d03ef826423834aa59fe3
- SHA512 37f84d9e6d766d8a97ccf0bd3c1a2a07f528cf45290762ef1f45e603cb513f43befec046693cf2e029366cca1682cd2753e54c53431773aba63c840bafcbf369
- SSDEEP 1536:5Qioz7CmAZG1OwJYrmbdmmv0KV06G68u+SSnrO+pIWCVeytH/9vfIZRE2:dozW2vJYanvEd3rlpIWCVWZb
- TLSH T184839E82F36857F6F49B91B986810797F770BA55071093BFF288C2992F03B816E5C35A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\_lzma.pyd
- Size 157KB
- SHA256 e3deecc1f59a3b811c608861decd84de1e8df8bafd5e2b39188861318c5a38cf
- MD5 7c25a079b992919cc97221955dac050c
- SHA1 d12d4e0f36bad9c578dcb69436fc2a7505feb316
- SHA512 ac7e3a3c7b8f766a0e0811718a048f0f8a4340374023fcfc7df0454e030521cd52314c23e80de118f24755046d77bac17d5abee634e7e5fe950b97f53bf5a64d
- SSDEEP 3072:tfXToXxWCKqZGOPenZCIlznfF9mNoxe6FK0GIHMJpIWZ1iW4I+:troXxSBOMvNYOxzxGIHm
- TLSH T10CF34B96B394F0D5F7328C38D6628F53E7F5785A0320929A01CC976D2B1FB759A2A313
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\base_library.zip
- Size 1.3MB
- SHA256 9239f156b250cb337d7ead19b66df2b98df2ae2a5e7be7c7d77c6dd4405e144d
- MD5 84989d2f5300ad618fd292eb5646606a
- SHA1 31c8c2a39368007f3b6d5341c28d6d7f33e031b2
- SHA512 b18f1ca8e568fe58ce826c6d9915d93bcb4be3c5e28c9c94f53e8eebfd36dacf6c68bb0f42a172164e1f823d57da590dc9dfc7ccba1bf3f78207a6a762e99d1d
- SSDEEP 12288:iHbP1dm48lJGUmr/scrmn9bRO2Kfb9WcnVTVihlyixmpvQXMHYqNZ2/HliO:obP1dm48lJGU0p69bk9vhB2/HliO
- TLSH T17F55D6817A92A5B3FC84F3BA04260A0EA3658571BF45C747389FC5E46F8F2E49E914DC
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\python312.dll
- Size 6.6MB
- SHA256 9a0e3435aaa680d868150f87ab3e388ad2eebc22f87e036155c7b4eda8cd2120
- MD5 de50496cece613ec7ebedbf9f2aefecd
- SHA1 6cd49527f647f7ea96872b89bb4fde20afbada1b
- SHA512 a8d22a6f6140280ff36476cdc7cda4a3ebc46f0ac63b2a3c44fbd5f45aa3d343121e63b092b320d1dd8dbb7bc586a679bbcf738f485f36502a34592521aaf7a8
- SSDEEP 98304:2nZOqBIZAopgdKJUskfih6ZizvmHDMiEXAbBu:IoJedKJnkf8ivs
- TLSH T12C666B15729CC0A9C96795B8CC13C28EE7B27C117F51434B30ABB71E2F733A1966A789
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000008a42\ucrtbase.dll
- Size 1.1MB
- SHA256 c04daeba7e7c4b711d33993ab4c51a2e087f98f4211aea0dcb3a216656ba0ab7
- MD5 3b337c2d41069b0a1e43e30f891c3813
- SHA1 ebee2827b5cb153cbbb51c9718da1549fa80fc5c
- SHA512 fdb3012a71221447b35757ed2bdca6ed1f8833b2f81d03aabebd2cd7780a33a9c3d816535d03c5c3edd5aaf11d91156842b380e2a63135e3c7f87193ad211499
- SSDEEP 24576:CJG2BrB3ZQAq0AT2jS9HKHdK6AccMs1wmxvSZX0ypFi:0VGrT6SAk3ei
- TLSH T1EC359D64B76C02A9C97BE13DC927554AFA73380147709ACB03E74AB93E2B7E552B7310
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1owcf3up.kwp.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\ncwfywq0\ncwfywq0.dll
- Size 3KB
- SHA256 ba2a2cbb8e2cddb3f5703cfdf4e31afd5a985493035989b4b594354d6dd4c2ac
- MD5 730184eac9f57efadccc5bcb8690c867
- SHA1 bcc88ef69728ef02331dec6bbcc541f4bbc2ce69
- SHA512 ff107f0fed78db20a8509e48a809d2168494ac59e35417d49340b8a2b7db80b16135279551968e91e1bc8ba0b976c00c2b3ab412160f24c859d30c00ae7ef491
- TLSH T1FE51D01667E8466BE8AB07316DF387633774F8149FB2A35D1980422C9C617681E32FB0
- MD5 SHA1 SHA512 TLSH
- Path \??\c:\Users\Admin\AppData\Local\Temp\ncwfywq0\CSCDD4DF2915EBB4C63A1A434D536E4A94.TMP
- Size 652B
- SHA256 c33978f342a564b17406a1cd7242714cb61e42cab9f34337c7cf5ac68116e7d2
- MD5 8ecc7c2165ec4a91d34fc4e5c2a4b89d
- SHA1 14a94515af665b1a0f49621ac371e460e067364d
- SHA512 9bf680e28c1259fa10785b24220be978ffc88414e7f5eba54f1870fe40197cc74b2999674b4268d9a3d5ee8701b8864d1df7e3dbadd8c0f4d77f1f281f403d87
- TLSH T124F0820963F8430EF4F74B31BDF6636395A8BC64DE7293ED2440031D6C649108962FB2
- MD5 SHA1 SHA512 TLSH
- Path \??\c:\Users\Admin\AppData\Local\Temp\ncwfywq0\ncwfywq0.0.cs
- Size 347B
- SHA256 e81bfd35c30fa0f52ab9a07ac1edded6c6605ccecc1f88ba6a9cea0f540651c0
- MD5 ad0af73a7d23a7288b7513b3465ca8a8
- SHA1 0492129408e1b1ac32c9a28272c2c5341a76780b
- SHA512 8df38ebf810240aa9c9d29f454e35d121b4a9bcd136655796f1c11e687754ec55ff06ba2d94a49bf7c5b3d2c7d707e1ec3743e96175bc9c6b81bc232d72fe628
- TLSH T1B1E0D824B7C79EB9805340171C43A0E46B32811A22EA7902FAD91120CECB5042532B69
- MD5 SHA1 SHA512 TLSH
- Path \??\c:\Users\Admin\AppData\Local\Temp\ncwfywq0\ncwfywq0.cmdline
- Size 369B
- SHA256 55cec749a1d8b0dc2bf4f4920d78880f381c34a419773508ed0d9892278d1459
- MD5 36b759d99e537f70e5d2f96c819b5cfb
- SHA1 24bcb13b0556a81d5620595aff60e456f63ad400
- SHA512 431a8ffd601d7f508b99f64b8146dc7ca6fdc2d6454dd52b2167a73989a4cd366ab62d67c218b95b11942e79d57839359f63030ec001f4823c576fb60e211542
- TLSH T127E0C66A4687C27E87ED103F236AC6ACC272079729827FA49860848DE4370812BD2781
- MD5 SHA1 SHA512 TLSH