Analysis
-
max time kernel
138s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
-
submitted
22/08/2024, 01:10
General
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Target
2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe
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Size
4.2MB
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MD5
83d87730ddeb3bf17dd26366e3cf7375
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SHA1
19ff3f0c9eb5d38291ce1c9de1619daf910d0bac
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SHA256
49ece27681f8bba93a5714efb885dfdd4f79f927196690cb6a6f2225b7d39f3d
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SHA512
6c7f26f0ac132918bf4b9abc406e975ca30981ca89aae455bf00334b8c856debe417e237b15f8d657a7075c3d1b2dbe82daaa3e78dda2c12991ffe3f657bd411
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SSDEEP
98304:Bpq/d8kCBKlMyQjujDW9tBcg2jGqwwATH01TRTlY39Yu6qDgTkB3tiX1:acx5ujyp8jGqwwMH0T+mkNtm1
Malware Config
Signatures
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Executes dropped EXE 4 IoCs
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Loads dropped DLL 64 IoCs
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies system certificate store 2 TTPs 3 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\temp\90E33E463206FE11FB9D27128D306203\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe"C:\Windows\temp\90E33E463206FE11FB9D27128D306203\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Checks for VirtualBox DLLs, possible anti-VM trick
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Kaspersky Lab Setup Files\KFA21.17.7.539.0.298.0\au_setup_6507019D-6023-11EF-BFD9-7221D8032630\startup.exe"C:\ProgramData\Kaspersky Lab Setup Files\KFA21.17.7.539.0.298.0\au_setup_6507019D-6023-11EF-BFD9-7221D8032630\startup.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe" -auto_update_mode="C:\Users\Admin\AppData\Local\Temp\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe" /-self_remove -l=en-MY -xpos=270 -ypos=58 -prevsetupver=21.17.7.539.0.49.03⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\temp\53F916D63206FE11FB9D27128D306203\startup.exe"C:\Windows\temp\53F916D63206FE11FB9D27128D306203\startup.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe" -auto_update_mode="C:\Users\Admin\AppData\Local\Temp\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe" /-self_remove -l=en-MY -xpos=270 -ypos=58 -prevsetupver=21.17.7.539.0.49.04⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
-
-
-
C:\Windows\temp\90E33E463206FE11FB9D27128D306203\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe"C:\Windows\temp\90E33E463206FE11FB9D27128D306203\2024-08-22_83d87730ddeb3bf17dd26366e3cf7375_avoslocker.exe" -cleanup="C:\Users\Admin\AppData\Local\Temp\A91070563206FE11FB9D27128D306203;2360"3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
142B
MD5e624bf3d027f42167590c12252e0f397
SHA1666e11c0016b8a2142e4279d4f542630ec93cdb1
SHA256c087ecb4ef1b1410eeaea71621809f60eb7068a787f276e9d85586a62e1297ad
SHA512735a99c326f7625d5f37bb66de56634252dfdf7ac092a8642386f7d7f922fdb60a5fd56c476bc2c05c5ef7a92f1646e7953b4c8d2a4d63a9f48ae8eb5376228c
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Filesize
4.3MB
MD528a293d7ea09aeee98dae6a07b137c58
SHA1b48e1d24cc50b77bb35f7b7fad892964e7677a83
SHA25607d1b8e19517ccc00ed6b9c774052d0efd1018d828d26453a15be055b65aec27
SHA512d3dfa832251ae1ae45d327c9c9f8b9231082202cff205ad53e1132b48ece3e579acd47a53796cb1ad391ae08e89613c6051a8f58b9ceb8b7537c1251e45be98f
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Filesize
582B
MD5d12e9b8a0957320de89f0721ab744222
SHA19996da9af9c7cc479df6199eb6500384d377770e
SHA2561de3d8ce834fb749ea83c6a75dbf91f396234e63266881cbfe350baa9626292e
SHA512827dd7894c7041c863d0f6844a622400c2d100cc96296b0b6d26309eda194fe8d21ddf649e2681f81dff5a1ef78bc47d3d2b3f331caeffd3212bef362395cd43
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Filesize
5KB
MD579f7d6fb0411503e0317aa4716a0db9c
SHA12f36d081c9ce5b358789c1afb7aeac2008f9d543
SHA2567f56e1eb29cf78230f597a526a999fe396d910adfcd115d90217b3f705a59eed
SHA512d94ff44b22784799b8ac3e63ae012ca8fac0655b26aad19b0026a88025dabef26482d4420135c2036a0d6205e529bc1087b4cee82697ef14cf69a79b315e4888
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Filesize
3KB
MD579a78149e4ef2e6e09cc061338c7b151
SHA199505d2461a18f16d4d185603887c60e226347ee
SHA256e6c0da20fc5d9eda24e4128faa5641f8b2d39951e0a0236c013e1f1efcbf83fd
SHA512a3baf55b373b943f8f1c8840cdc2f02a94aed436c54fdcb8cf6eeac9b5840a5e1a11be0c70460da0c17f6fda1b01b87f4e2a688abb5ddeb7819301a1354d688e
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Filesize
318B
MD5f680ca43dea07bf1bd9874704a496a94
SHA10890e32ee1487924550ec076cecc7b92c4c85c9a
SHA256a2f47eaea37250aca3c04bfe5db76933625dc68bd5cadd956d39fd74c676594a
SHA512f0f5bb0f399fccb470554d2e6fcc6adbf374c656b5a3028a40d44661e99a3a520711917981bf5c5bd3812066c114d6a80b0e16c82f13b753a1c0ba8ef43200ea
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Filesize
22KB
MD509c4e9f41c4b8bfdb6bf8916af730ecd
SHA1a215913aa718b459d8e3c13dfd22e5246dcff38c
SHA25657bf969d3c10d5be0a4b31b8e530c1e005622c8dc809ee4fbd4c214f3b3e9a37
SHA5127767639c5e068fd3e83a527dfce0345c902673e50102a6c5ba3998ffa2d16f0417a74bee15fce9b6825eabe94f6d36c4528cc70c4541294415b26b9f0f64937e
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Filesize
3B
MD5ecaa88f7fa0bf610a5a26cf545dcd3aa
SHA157218c316b6921e2cd61027a2387edc31a2d9471
SHA256f1945cd6c19e56b3c1c78943ef5ec18116907a4ca1efc40a57d48ab1db7adfc5
SHA51237c783b80b1d458b89e712c2dfe2777050eff0aefc9f6d8beedee77807d9aeb2e27d14815cf4f0229b1d36c186bb5f2b5ef55e632b108cc41e9fb964c39b42a5
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Filesize
38KB
MD5bed8f768a0abffbb66c4d3c01877b235
SHA1f5ded780443a5edba2a3254eb4a066c2fc8afdf1
SHA2560809d52010c89ea9f57551daea9a5ee8fa6ce56656c7504e00fb9b521f4cc821
SHA512213ddd2fbd8d8dfd500dffaffa4e8dbcfc25beb1627fea8c33326aea371527f9129643f96bfe4be9bf7f6e8e454671eb676aa73447a0890985de70d4b3385862
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Filesize
559B
MD58b0d3d352fca64e5859c2ef30ca5563b
SHA1ca22364d8c37419c5a55eb8a7027925b4d37d21d
SHA256897518a7c5adb2c1c115fabc381f3d9415481a07dca6f51557401fdcafd593fd
SHA512f02a48d0ae84aa0a0df29b812a2c9d67e4016987f02e3e86155656e574336715bf566b80dc152d01e17b54fc5664edeb328a103d4a92ab325f679af3354536cf
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Filesize
18KB
MD566388e1c536028a65914bfdcf6b27ba8
SHA16cd300498c354dbd55432e8983c4ec31a00d499e
SHA25610dc4d10376b8b19bc8f15cdc221c06c59680b5cb3855b23440dc2be64c4a5b2
SHA51219a84e9628b662636c4fd80c8139669dab78a071bcb9ec30a3954a9892b3e65c2497b34e2666fe26ea589bc7e7b2b4a0b3735994a872b3c86bb71297494c176e
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Filesize
1KB
MD52e10b2d4181d2f07d2dd305bd4285bd5
SHA19c05f3e03bae36da24a62b08729074cd12b0077e
SHA256cbb72cdc1e461226c7d0e49e7ef955f77dfeef4f7fe12d0d8a8d0cf9658edc78
SHA512a1bae84b8a9c0833bbadf29d4532b64f0216d7c1c13be2b4ebb75dd4d2b18244eb67fee52743745ed0a5818e745cb9aae9a8bfdc415ff59ee8aa7de77f122819
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Filesize
4KB
MD5b7883e798619dec47313445be1ead796
SHA140cd5149a12b73052ced4643bbd51055b49c0b39
SHA256dc68979676fa8999c6a83cd77d870dafda4b2b96886f674187e334ef0cae6e41
SHA51281b36d9fb8f5f597ffbd0bd38f974bda20a381adb5e1574cb595d64f2380db56e909dffc0cca011efd647524d82a1ed45640ab59fd82a138c2d330811e1e2769
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
89KB
MD52c8f5ec07cb84d844e3fdee32b2a8e00
SHA12e27daffed27a7e6ee3adc50eef1710da318ca32
SHA2568d5bd8184fbc3f79ea9edc2c25e1a5a935514518c3fba89bde308c06722375f9
SHA512ef37109b456a68d55dee8a45340e25cb9901909b30f9f882f62060951bec20d838561dbe5ebe0480aa2feb668c6ffbb2137ed2f69cd3d6337c6f38cf395f6eca
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Filesize
278KB
MD51bebc399a1b31eabc3361169df0316d1
SHA156091143fafa680dc65dd5f2b5d6fafa94590041
SHA256894914e74da8c8faf8bb9b34e0f9b586db3cb248c3f6edb715a7cb8c930dd66b
SHA512d0d1fb7e23391a352f6bb3d5756dbbcd5a3558e0c477b265453931940a223dfa31cafe20232a9d08fbb127158bce325dd8b769e7bb62907be89019cd3f02f1ac
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Filesize
56KB
MD5baf69d3c6977161e0c2b631b3f9958d4
SHA1a1b2982c11811c4e5f6bce95f3072a855d11c369
SHA256e6392d0cf3a5984034ca0b346476d7482243550ddd0c65a8c0ff2f03a15867bc
SHA5122fb765d07638d239b666d4043f9ae75e91dc271ddf399dfe5bfd1c894bcabb95e6e965b478f5208687d9ebaa18cdafd6fc3400cd47694fd9db4ac30f3f1d5839
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Filesize
420KB
MD56181240bc579d2dfb176a1ca260f5a90
SHA1eb13b6cd4a242c8399396795d1863954b8d79507
SHA256b07c4d99d4cbb62b31a425e60c993b809c7043518a9ef0b7b561abd180a1b768
SHA512f5bb4bdd05836c494a560dc9aa16d62d29b90df7c5854d4a97b8e274890dd1476de955637237867a666c1f08785f5dc06d571e023b124530ee87cf6fdb98689f
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Filesize
264KB
MD52ad2ab4f8517da8e2efdfed22ad49f1e
SHA155916e3e5c4c40cf2e5644fbad07baf31459673e
SHA2566efe8efc6701c80d59ad33bd139aeca1b47a27f49d3ccc16ed01a49da9bfc2e7
SHA51212800c7d475af627c98cecb6e6c2de8247094166126978e24bd8be3f7193828781e853ee10b3133c989d625f0e2860ce4551369d864748b70db4ec220c515bbd
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Filesize
283KB
MD5079ac68d4beb2ab9602d754b09ff652b
SHA190032834cc5cffd0b00119e4e38b5f4c5f877e4c
SHA2569377c35b19c30ee75c010b1e592796daf1d3493b397ef9d61a1c63a5ab30a88e
SHA51253782adc516950888ec69b21e744fe4d7f8567223e7c067e362800c78e3621dc148d5aa19f6011962bece1ada3691ef1ef40838a8072480c54aeedb2f4e0c9b9
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Filesize
631KB
MD5445e34aa976419cae54e13ede8d41ce5
SHA198ca3ee808f97ae16970b0fcefd3387bd07278eb
SHA256a255bb5dfaa685d7443dbc8bb7fca71417c8f0b1f617ade7077ee437a23a9b24
SHA51286b4084cf781d4efbb814fce3ed6ca48addbf4c15c5ed3630673350cf65056a80e2a9bc00581a45ae370a64f0bc720d506622eccd9d7ef170814faab1cce14c4
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Filesize
2.7MB
MD518defb1e3b7460f592a8ca61e4b40ff0
SHA18f8f7d7d1ee8a048d162603cc21a0f4c40b9036b
SHA25602a884babc5584fec80b227eb1c52dc800c516f1117ff9637617ad84c632da9d
SHA5127cbdc0c113a0c7ff9628674a8a23f4224290455d4a9a41a66889d01baf1f28b0175197c3078a791ecf6b2052c3fdfc35cf38cfae5bf5917bde80f82499d40b12
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Filesize
5.5MB
MD5b8310a2bf8e94f87a4e1ba8d29e8153d
SHA139257389d1d33c601980bcdfd30c729e522749d9
SHA25698d2019f52dd728166db1c8cbd05010a994ae29e92bf8dffc8729bdffd59def6
SHA512d337245db4f8df743092c870b8a2d7e5c619ccdcbdf77fb21a760928cdb9a3c971ccd49cafabbba74780571e4c00106dcaf6fafe2c8c20b5ec3a8ab61b683356
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Filesize
137KB
MD5a56a73b39703d5ff85b5cf12f9b00009
SHA1e6448c87f969e19ae4c6514d69d8286d26a2b5db
SHA256bb5966185017d904d2d7fd952bcc6d5c19fdf6bbbe34ab29c63a3784cd1074c7
SHA5127fa07a1fcc0735186ee71b3c123b1c4076f04dba5ad319588ea695ef117ab7c39918593e4ee42f18cbd3fe01d043e896981ca6f07293fc2fb0a9bce5d66992b5
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Filesize
201KB
MD524e3b7177eeabdf085a01796b49c8e55
SHA16916a0bb98892252f59692fd0405e6da62af0f8b
SHA256eab963926cf2d62b575c6f33804372fea04db328b2b3f0adfb45fee3f27e5386
SHA5125e377e609673f3d84e22d070012578b8a18fce848a3815d9da05e10043d3e9fde8070094d1841acb44a4f876d8741e371a5fbcc86cce80cdf826131370a41e64
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Filesize
109KB
MD5726d04bbe783a3510b18a491adac05c0
SHA111a01c68204dd80b32c01dcdb2e51f5b0ee34d98
SHA256639e091c9e87986eaf9fe00f0f401834e14878ebc48084697fd4307713a065ca
SHA51290592ddef83b6640cf8f28f0818098f95acc4139c7b3f5e8afa63bb873530be1613d42ee02dae12160737ee612187fc0139e19ee4a7f1abb3fec1fcaee1ae297
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Filesize
55KB
MD5e4f6efef27708458ecda4ee22edf3cef
SHA107ccb5fa980dead816737ad83802cbfed18e4a4f
SHA256413e485d8dd07231d70107d86ee1a17ce705517aed8346b4701747d1fdbfdfc3
SHA5124920e508304df14041df1189938a1102e4a71e2e57ac4b9b804b6b0405c89c8292012a5ff4dae21268204ed6d9b56a279f4ce18d709074d1cba71cc9d5e11a1d
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Filesize
998KB
MD5225a73e5a0cf87453832b578db6daddb
SHA1a36717a1b2c7eb2ba160fec5fa80e48b9e57c4ac
SHA2560499708762c56b9339c980e731ffab294e9b18362af3dcb4ad4481f1c7bd60c1
SHA512565ee2105bd626650857e0e6f9c8f7d87a68c3ec41923de119a3b710038a4785e16ccf79feb4c1c4f8a308f682163089228ac4ac81295cea754ae1189311c965
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Filesize
203KB
MD5faec58e7785c287a7c688f274207048d
SHA166c038c720035b7212a7d3733da4520e3b95d63b
SHA2564c76dd0441a8021a308be24cf0c1957bee280451abcc1467acf47f1a6f7f5dce
SHA5129269a91a5bab01f076d8e9fde2991463fb224dc6382f8cde3a118e83cb35bdf580b4ea7686f2ea767a2a9c04650222edfc3a8b2569978b734c51b7135915448e
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Filesize
69KB
MD50e203d24d04e89779638dd70d5335b39
SHA198ffc3718c6e34bd6d696bbcce605db666f99b01
SHA256f15b5199850b8ed98d2202972ada759823a17893a68d60ca3a0f76ee31aeb204
SHA512a07f54cce2add948340807b8ecf430e72c07032332046e5dd05d9da90f7d732921c0ff628592ff0710914ec9d9b7188b46377e1594a9f9809a107a022de1cfee
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Filesize
5.5MB
MD5eb88ea876c0d30fd9dcb1e1a1c1abf5e
SHA1266cd08e90a0dd424accb6e69ee70dd562808b82
SHA25686ca8d141ab7d26308828bbaa8c16c86891d2a0d59c9115118ce49e425a05b50
SHA5128cbd8e3b15c918a94d46f370e0ce0977f1926578ab5e9dfa3a737bd08fe5cbfb2f7d31d2e8b185844739a8632c9c376d6405d80fad59f882c7190235ae9a8a97
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Filesize
30KB
MD58e4080fdeb0c1c02c7697efe69edca7c
SHA1a7503be947fff11671f1b8b7126bde5af7d00828
SHA256ba80be9d85b93b21afef1eb30c67ff9acb01bd2c1dfa7cbf80287db991b26668
SHA5123a9dcb338a65593f1613740a9f23c0e0527b8b80af5ad7c8995f79b1b0c17c495fe01d555d8c1307fed28febbbb97b737a254bf3e7d10b63681a4020bc8b5118
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Filesize
4.2MB
MD583d87730ddeb3bf17dd26366e3cf7375
SHA119ff3f0c9eb5d38291ce1c9de1619daf910d0bac
SHA25649ece27681f8bba93a5714efb885dfdd4f79f927196690cb6a6f2225b7d39f3d
SHA5126c7f26f0ac132918bf4b9abc406e975ca30981ca89aae455bf00334b8c856debe417e237b15f8d657a7075c3d1b2dbe82daaa3e78dda2c12991ffe3f657bd411
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
32KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
112KB
-
Filesize
7.7MB
-
Filesize
56KB
-
Filesize
4KB
-
Filesize
7.7MB
-
Filesize
280KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
2.8MB
-
Filesize
288KB
-
Filesize
72KB
-
Filesize
88KB
-
Filesize
7.7MB
-
Filesize
136KB
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Filesize
424KB
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Filesize
264KB
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Filesize
7.7MB
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Filesize
56KB
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Filesize
224KB
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Filesize
632KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
56KB
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Filesize
4KB
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Filesize
1000KB
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Filesize
64KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
584KB
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Filesize
200KB
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Filesize
208KB
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Filesize
64KB
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Filesize
4KB
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Filesize
64KB
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Filesize
64KB