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
20/10/2026, 15:19
Behavioral task
behavioral1
Sample
keylogger/ThemeHelper.exe
Resource
win10v2004-20260911-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
keylogger/ThemeHelper.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target keylogger/ThemeHelper.exe
- Size 8.0MB
- Sample261020-sp9b2abt5x
- SHA256 d77bf9aebbc22abf98692da3383c52e3a6cdbb51a5302288059a848ce561f9d4
- MD5 ac2f603230608b5d1b8d3d591905b769
- SHA1 c392a06aa0173e5d798bb081ceaab25d056390d3
- SHA512 4d2ff4dc873641cc5976f54b5addb94bda0b7ec02aedcb187b7b66f8850358d7ff9f295169dc9307d51f01878854242b42e67bd176cf570c3b3b967ff77b5db3
- SSDEEP 196608:MR2e1KJurHMuhHToAUPNfGU5vXvE4LydI7Z+:MVguJhHTodRGkXs4mgA
- TLSH T1F9863365E7C559F9F9B3F83C9A62114197B67C010720C5EB02D98B623E376E02A3A733
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 18 IoCs
pid Process 1868 ThemeHelper.exe 1868 ThemeHelper.exe 1868 ThemeHelper.exe 1868 ThemeHelper.exe 1868 ThemeHelper.exe 1868 ThemeHelper.exe 1868 ThemeHelper.exe 1868 ThemeHelper.exe 1868 ThemeHelper.exe 6044 ThemeHelper.exe 6044 ThemeHelper.exe 6044 ThemeHelper.exe 6044 ThemeHelper.exe 6044 ThemeHelper.exe 6044 ThemeHelper.exe 6044 ThemeHelper.exe 6044 ThemeHelper.exe 6044 ThemeHelper.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsThemeHelper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\keylogger\\ThemeHelper.exe" ThemeHelper.exe Set value (str) \REGISTRY\USER\S-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsThemeHelper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\keylogger\\ThemeHelper.exe" ThemeHelper.exe - Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 1868 ThemeHelper.exe 6044 ThemeHelper.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1868 ThemeHelper.exe 6044 ThemeHelper.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4948 wrote to memory of 1868 4948 ThemeHelper.exe 89 PID 5952 wrote to memory of 6044 5952 ThemeHelper.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe"C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe"C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1868
-
-
C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exeC:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe1⤵
- Suspicious use of WriteProcessMemory
PID:5952 -
C:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exeC:\Users\Admin\AppData\Local\Temp\keylogger\ThemeHelper.exe2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:6044
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000013542\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\_MEI000013542\_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\_MEI000013542\_ctypes.pyd
- Size 124KB
- SHA256 0e56107a891100535f2da79d85a5ae65ff1227b4765bd108f8593ac1a1110d81
- MD5 9314ab9707985aaf6e234b5c1fc3c3c6
- SHA1 e8ba1f40f800397e3e6a7f95ffe2b9f63bf812ed
- SHA512 a8436ccbc32dd31694d3a66072fa76933a2ecf0ef5eaa0b79380e6c53c8e8bd0bfaf7fe9341c17ced215792f3990f4ef220049da92dd4991ebc1d83ef3d41484
- SSDEEP 3072:SxVJxKqXCjbqPzMM+kffELENy/Zq4e4lIWLPhG:UHxKsCbqbffELCya4c
- TLSH T197C35B0B739410A6EBA35178C5B36F07E7B1B42B171183CF02A4C6992F637A36E6E715
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000013542\_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\_MEI000013542\_queue.pyd
- Size 32KB
- SHA256 48e76e0ad63f6932b4a77b5819f41c1e7595636ca8d9e824f0943a14b8bb5035
- MD5 6ffc75670dfed859cc7ca266bcc89816
- SHA1 5a39c3fd8fb398234611b91a5da260547442da52
- SHA512 d26d74232dce6c6e57c92a0cfae605bbef7036dd848a04ca8b267aeee1aa12b1b06813746466ce186c363b3c89034424ee64681399b8d00f4d4e997abfef475b
- SSDEEP 768:eVzlP6rT1wyzklIWQUFOytxJEKrLy2Ip44Cxf1mljr8VMSU:eTST1lzklIWQU4ytH/9pfI38VMJ
- TLSH T164E29FCAAE644047E563CA70C2E7EE93F935B7935601879F2065C18E1F237C1E726329
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000013542\base_library.zip
- Size 1.3MB
- SHA256 d5158cc3f3fd64209fc375b5951fe38dae9f56e2fedefe16613804d78982573d
- MD5 2074224472b35b9c080c459696fb6320
- SHA1 174a914e43f37753a1d3f2db4b5098b7527adebe
- SHA512 b4b388cec115cd67ba28b4ee4b237a33e00eb5811b840682fd5f0da133d112bc08afa2dcf4e391058552792c6883b070475b564b1ec98be58955a538b5e6a7ec
- SSDEEP 12288:QN/s+9WEHbP1dmrynVTVihlyixmpvQXMHYm8lJGUm1rmn94NZ2/HTRR3Fo:yp9HbP1dmehL8lJGU469G2/HTdo
- TLSH T1F755D6817A92A5B3FC84F3BA04260A0EA3658571BF45C747389FC5E46F8F2E49E914DC
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000013542\libffi-8.dll
- Size 38KB
- SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
- MD5 0f8e4992ca92baaf54cc0b43aaccce21
- SHA1 c7300975df267b1d6adcbac0ac93fd7b1ab49bd2
- SHA512 6e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978
- SSDEEP 768:NiQfxQemQJNrPN+moyijAc5YiSyvkIPxWEqG:dfxIQvPkmoyijP7SytPxF
- TLSH T10B037C0B458418A4E657D53D97A64A2AC335B9240B60F2CB03D4C2BA3F6B7D6FB7C358
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI000013542\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\_MEI000013542\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\_MEI000013542\unicodedata.pyd
- Size 1.1MB
- SHA256 208ee1cd3cbad0828433ca7246b05be2b1ff5569983d27d296c0b38888585488
- MD5 24921918fa1451e9424881aa2867b175
- SHA1 799de1d302eaa9622d2367bb2df5b71a98fca9a5
- SHA512 3c44cff1efe1b0484d9ae9cac5576b737253eca9a4e86a7fcd534fc563e2a705c23d9fd9ca0eb41f61729622a532ecefc25c12b4c95dd3290ebcb3286519fecd
- SSDEEP 12288:4SfHdcM6hbwCjJ43w9hIpCQvb0QN8MdIEQ+U2BNNmD+99Ffcivk:4SfXVCjfk7bPNfv42BN6yzUivk
- TLSH T140355BC5BB828E66E87B31B944D1212F1360C273476B573BB25513294C8B3B74EE69EC
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\ThemeCache.txt
- Size 1008B
- SHA256 e0a5cf9708752205026f0068c66a673de5519ffcee4e15215f99216f55b04570
- MD5 c7ece0892a498286441d6705b66f84d6
- SHA1 4f7638d2578bf5be2667951c582ab67fcb9d0570
- SHA512 815d0723850075b48b0d3946cabdcae5507b291a01a86f9ccd4e62c898e46ecf3a20b5802949e08f8bd966165a3f314c593e59c98b3353050fe806570384884e
- TLSH T1241168A402D6415A8435747164BA2E242034FE577C843AFAF34C83E5AF01B4EB7D90BB
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\ThemeCache.txt
- Size 1KB
- SHA256 7ac9c443d7d0f245c111c8c2a3a6028da5f823349ab3ddce421c7ba3fb65f870
- MD5 302cae05955e291e9a8b7766fd8ae42e
- SHA1 af1b2018d105bbe226233499f36c28a4b8c6396f
- SHA512 4a323dcda32cb9f8ee383e0b8c8e3e5362ed112c087304d59657b3b6c9c75ea4ccee5a08e857c58c07c3ac4b9e1684b22e92cf20034c9ec1fc2a64512acf1d2b
- TLSH T1A811A6A402D7415A8435747064BA2A203134FE53788439FFF38C82E57F02B0EB7D90BA
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Themes\ThemeCache.txt
- Size 1KB
- SHA256 a52bee0504d3d7d84f541fd397bc97852d56f72a2f2e96d378116a57ee69a758
- MD5 10a989c42140ee1c38cca181868cc3c9
- SHA1 b41a9b8f4da7c90d41b41b747ef5064303e15bd8
- SHA512 3429af23175f4d2743ab98268b2a23a8ab09681e2401db09a38fa4053ed6d887a81c2376b89cfd9cbef1fb257d2692c276702b7afac1a108c6178eaacbcb94c3
- TLSH T149216DA842C782598425B46064B92B617138FD53AC8424FEF38C42D56F42B0EB7984BB
- MD5 SHA1 SHA512 TLSH