Analysis
- max time kernel
150s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/07/2026, 22:16
Behavioral task
behavioral1
Sample
Bootstrapper.exe
Resource
win10v2004-20260513-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
Bootstrapper.exe
Resource
win11ltsc2024-20260710-en
2 signatures
150 seconds
General
- Target Bootstrapper.exe
- Size 7.2MB
- Sample260730-16z4paybjb
- SHA256 2bb4fceeb4549590964cd1494782e5859a12091a8eb8318394a9e65c43e917c9
- MD5 f84786beb28ad6240c26ee23e27e3208
- SHA1 aef3f0beb25c5a277f910e9c48ca0613d6b31832
- SHA512 d82de26e099465dd5064e27e3ef7b72ae151cef0cf6d80b5ef3911047d13ec403de71bcc47e3ae0f37f9ffdb9abccd2758ead17a034826ff0010bbfd19f00996
- SSDEEP 98304:gi/TG5St4WA1h9eT393YigJhH0yc+OT+q2M51Y7uRlXgVLRuq97TgMKhu5Vw2AS:V/TzA1HeT39IigQTauDXURuATQEv
- TLSH T1F47633A9A3F309F4E9B6813EC2A5C299E271B0668775D7CF179006531F177E2493AF02
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 10 IoCs
pid Process 4636 Bootstrapper.exe 4636 Bootstrapper.exe 4636 Bootstrapper.exe 4636 Bootstrapper.exe 4636 Bootstrapper.exe 4636 Bootstrapper.exe 4636 Bootstrapper.exe 4636 Bootstrapper.exe 4636 Bootstrapper.exe 4636 Bootstrapper.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2784 wrote to memory of 4636 2784 Bootstrapper.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"C:\Users\Admin\AppData\Local\Temp\Bootstrapper.exe"2⤵
- Loads dropped DLL
PID:4636
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\VCRUNTIME140.dll
- Size 116KB
- SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
- MD5 be8dbe2dc77ebe7f88f910c61aec691a
- SHA1 a19f08bb2b1c1de5bb61daf9f2304531321e0e40
- SHA512 0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655
- SSDEEP 1536:+qvQ1Dj2DkX7OcujarvmdlYNABCmgrP4ddbkZIecbWcFML/UXzlghzdMFw84hzk:+qvQ1D2CreiABCmgYecbWVLUD6h+b4ho
- TLSH T1C4C37C4673A402B7D52EC274C1E25A06EB71B5448770ABCF03B589AA0F53BE1AF3D359
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\_bz2.pyd
- Size 82KB
- SHA256 00b8ca9a338d2b47285c9e56d6d893db2a999b47216756f18439997fb80a56e3
- MD5 aa1083bde6d21cabfc630a18f51b1926
- SHA1 e40e61dba19301817a48fd66ceeaade79a934389
- SHA512 2df0d07065170fee50e0cd6208b0cc7baa3a295813f4ad02bec5315aa2a14b7345da4cdf7cac893da2c7fc21b201062271f655a85ceb51940f0acb99bb6a1d4c
- SSDEEP 1536:CX8z7RFgpNVu5eYu00NI5OhgYNxx8bhm+uVIYCVH7Symxs:CszlF+uyIkNxebhEVIYCVHL
- TLSH T190839E93E3605AF5E45B92B9A6A04357E331BE49035093EFF75883162F13F813D6836A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\_decimal.pyd
- Size 249KB
- SHA256 980a63f2b39cf16910f44384398e25f24482346a482addb00de42555b17d4278
- MD5 c88282908ba54510eda3887c488198eb
- SHA1 94ed1b44f99642b689f5f3824d2e490252936899
- SHA512 312b081a90a275465787a539e48412d07f1a4c32bab0f3aa024e6e3fe534ac9c07595238d51dc4d6f13c8d03c2441f788dff9fe3d7ca2aad3940609501d273bd
- SSDEEP 6144:E7W/Dmi0FD5KaN7VqqO9a3juVQt07Ou9qWM53pLW1AT3Otjm1+Br:L/Ki0FdVI9a3juKeqcO+Br
- TLSH T11C446C57A2490CA4DE738474D89B9B47FBB278854320C3CF03A48AA76F577A323B9744
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\_hashlib.pyd
- Size 63KB
- SHA256 87dd0c858620287454fd6d31d52b6a48eddbb2a08e09e8b2d9fdb0b92200d766
- MD5 b4ff25b1aca23d48897fc616e102e9b6
- SHA1 8295ee478191eb5f741a5f6a3f4ab4576ceec8d2
- SHA512 a7adcf652bc88f8878dae2742a37af75599936d80223e62fe74755d6bafaafd985678595872fb696c715f69a1f963f12e3d52cd3d7e7a83747983b2ee244e8a2
- SSDEEP 1536:r5m8HQNUbaxjTvKzl9mjNLOjxNHeuNIYOIa7Syuxrm:r5m8H79mJOjPHeuNIYOIaum
- TLSH T174538E46A69544A4D96781B9CDA34F57E9F2F1001710ABDF0368C18D2F233C3ABFA766
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\_lzma.pyd
- Size 155KB
- SHA256 f5e01b516c2c23035f7703e23569dec26c5616c05a929b2580ae474a5c6722c5
- MD5 b86b9f292af12006187ebe6c606a377d
- SHA1 604224e12514c21ab6db4c285365b0996c7f2139
- SHA512 d4e97f554d57048b488bf6515c35fddadeb9d101133ee27a449381ebe75ac3556930b05e218473eba5254f3c441436e12f3d0166fb1b1e3cd7b0946d5efab312
- SSDEEP 3072:esdh8kZbsOb0Mt4zorT81qjznf09mNoqCPAaQVIYZ1Ncf:esdhBZbsm0hi78YOqtX6
- TLSH T122F33A92A394F4D5F7628C78D6624F17DBF678090310929A02CCC36D2B1FB759A2E727
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\_socket.pyd
- Size 77KB
- SHA256 a19e3c7c03ef1b5625790b1c9c42594909311ab6df540fbf43c6aa93300ab166
- MD5 b77017baa2004833ef3847a3a3141280
- SHA1 39666f74bd076015b376fc81250dff89dff4b0a6
- SHA512 6b24d0e038c433b995bd05de7c8fe7dd7b0a11152937c189b8854c95780b0220a9435de0db7ac796a7de11a59c61d56b1aef9a8dbaba62d02325122ceb8b003d
- SSDEEP 1536:kHan8OG4wAM/Hh2JO9/s+S+pzpTzVs/tiTFVf77neJIYLw47Syt6xr:8an8OAF2JO9/sT+pzVVs/tYFVT7neJIh
- TLSH T1BE736B11A69011AAD2B3C07AC5634F23F774F4C1179597CF1264CA6E5F23782EE7AB82
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\_ssl.pyd
- Size 174KB
- SHA256 ba5388d6a6557d431e086734a3323621dc447f63ba299b0a815e5837cf869678
- MD5 0f02eccd7933b7a7c2bdedca2a72aab6
- SHA1 0b4c551d8fe34d8128e5cf97daa19eb4c97db06e
- SHA512 90a64082dab51380e05c76047ee40e259c719d7170fb4acb247b68a03b710461b350da3821b426fd13167895ded32f9c5ec0e07587ad4125683a18a3495f5ed5
- SSDEEP 3072:mn5VVb4iZpIy+vgSf36XK7DapGB4JQELqOlh59YL48WKqgVl5pVIYC7Nb0CY:m5Vp4EaDD36XK7r4JkQY
- TLSH T10E047C47B59469B7E817E4FEC1230802EBB5F005331157CE49D6DA8A0F07746AEAAB73
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\base_library.zip
- Size 1.4MB
- SHA256 f5908f37a3e301cfac1d435a9ea728097717f204155c881536b17e4e5c83e5b7
- MD5 0cbf40b73eb279c2ea5b3d1c9c626cf4
- SHA1 d142a7046b8871ca83dfde051c67bd1c836d0bbe
- SHA512 96765b3b9303c96a2b1d9ad0ca099ecd5c86024f7a2f1f0f1715202427c1350ed851b6954603e1d52af87e4244051237666bc6b112786c0334b8da008b81b49d
- SSDEEP 24576:mQR5pATG8/R5lUKdcubgAnyfbM3AKwjwhxdmzRPLaWHHN:mQR5pE/RtQDP
- TLSH T1626509817982B5B7F804F3BB4026090DB328C5B4FB44C75739ABC1A69F9E6A47E518DC
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\libcrypto-3.dll
- Size 5.0MB
- SHA256 05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de
- MD5 e547cf6d296a88f5b1c352c116df7c0c
- SHA1 cafa14e0367f7c13ad140fd556f10f320a039783
- SHA512 9f42edf04c7af350a00fa4fdf92b8e2e6f47ab9d2d41491985b20cd0adde4f694253399f6a88f4bdd765c4f49792f25fb01e84ec03fd5d0be8bb61773d77d74d
- SSDEEP 98304:n3+pefu6fSar+SJ8aqfPomg1CPwDvt3uFlDCE:3G+u6fb+SJ8aqfwmg1CPwDvt3uFlDCE
- TLSH T1E6366A6AA7A80188E5BAC13CCA534617D6B1F816577097CF19A1967C0F33FDA2B3DB40
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\libssl-3.dll
- Size 768KB
- SHA256 2e9fbcd8f7fdc13a5179533239811456554f2b3aa2fb10e1b17be0df81c79006
- MD5 19a2aba25456181d5fb572d88ac0e73e
- SHA1 656ca8cdfc9c3a6379536e2027e93408851483db
- SHA512 df17dc8a882363a6c5a1b78ba3cf448437d1118ccc4a6275cc7681551b13c1a4e0f94e30ffb94c3530b688b62bff1c03e57c2c185a7df2bf3e5737a06e114337
- SSDEEP 12288:ytPc2nnGoNg4kSHoxX09yO5EavUFe9Xb12:y9jnnpTHoxXUsFe9XbM
- TLSH T1CBF44B9DB3B8059CE9F6D13D86934623E3B6F4152370EBDB065186790F23BD52A3A348
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\python311.dll
- Size 5.5MB
- SHA256 0817a2a657a24c0d5fbb60df56960f42fc66b3039d522ec952dab83e2d869364
- MD5 387bb2c1e40bde1517f06b46313766be
- SHA1 601f83ef61c7699652dec17edd5a45d6c20786c4
- SHA512 521cde6eaa5d4a2e0ef6bbfdea50b00750ae022c1c7bd66b20654c035552b49c9d2fac18ef503bbd136a7a307bdeb97f759d45c25228a0bf0c37739b6e897bad
- SSDEEP 49152:4kkzsT7AzjUaeLdj6UTSGKzuePQaOviRvYD4Kus0GYr3jDKPpWjrM06biCnCIS7E:wsgreBltVe1EsJ5CrSQHyMAwdp09U
- TLSH T146467C22B2609460C9BB4172DB2F865ACB71BC505F10CF0B51A4B7AA2F73B531AEF745
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\select.pyd
- Size 29KB
- SHA256 bae0974390945520eb99ab32486c6a964691f8f4a028ac408d98fa8fb0db7d90
- MD5 e4ab524f78a4cf31099b43b35d2faec3
- SHA1 a9702669ef49b3a043ca5550383826d075167291
- SHA512 5fccfb3523c87ad5ab2cde4b9c104649c613388bc35b6561517ae573d3324f9191dd53c0f118b9808ba2907440cbc92aecfc77d0512ef81534e970118294cdee
- SSDEEP 384:oG0ICxeeLn0XHqYK/57AvB0KJIYQGFHQIYiSy1pCQuRWAM+o/8E9VF0NyMl+:tieOGHqlGxJIYQGp5YiSyvHAMxkEN
- TLSH T15ED28F57AF646845D923C9B2ACE28E1ADE31B6924710C2CB3368C15D1F317C27BB77A4
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\_MEI27842\unicodedata.pyd
- Size 1.1MB
- SHA256 37c68617fa02a2cadced17ef724e2d450ef12a8a37215da789a4679fde1c5c02
- MD5 fd9132f966ee6d214e0076bf0492fb30
- SHA1 89b95957f002bf382435d015e26962a42032cb97
- SHA512 e35729abc45e5561aae1fb9e0e7c711dd7d3c1491520aa5c44fcc50c955f549f81d90897959327e930d02a5356afe08d6195adf002c87801a7a11235670639b5
- SSDEEP 12288:bdYbfjwR6nbYonRiPDjRrO5184EPYPx++ZiLKGZ5KXyVH4eD85U:RYbM10IDJcjEwPgPOG6Xyd4685U
- TLSH T195355BC9BB828D66D87B31B944D2212F1361C273476B133BB65513285C8B3B74EE69EC
- MD5 SHA1 SHA512 SSDEEP TLSH