Analysis
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max time kernel
92s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
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submitted
09/07/2024, 11:49
General
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Target
2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe
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Size
4.2MB
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MD5
21b6c4b5e00da4996b9d83593d05239d
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SHA1
066efb09a2311073c6ad74ba2983db7d6a75bc12
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SHA256
903651d509dd0e3157fc00dc0c34337f2942580b5bc78e61b07fe301c81fae9e
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SHA512
79a7faa53dcd9e2e103feb310beada98d722225ba2fd586d8d9a6fcb6b0a22513f8db75f5ae940392e886f6e67115e0e1d16e7ef0ba49ff9d0a92a6f2458a335
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SSDEEP
98304:ipq/d8kCB+lMyQjujDW9tBcg2jGqwwAYBAVyl3HAUkKdk51OkB3tiXyz:7ct5ujyp8jGqwwCV+AUkKdk51JNtmyz
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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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\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\temp\1B85B4A59ED3FE11CACA67F6944B7AA9\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe"C:\Windows\temp\1B85B4A59ED3FE11CACA67F6944B7AA9\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_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
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
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C:\ProgramData\Kaspersky Lab Setup Files\KSDE21.17.7.539.0.234.0\au_setup_5A633005-3DE9-11EF-ACAC-766F49B4A79A\startup.exe"C:\ProgramData\Kaspersky Lab Setup Files\KSDE21.17.7.539.0.234.0\au_setup_5A633005-3DE9-11EF-ACAC-766F49B4A79A\startup.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe" -auto_update_mode="C:\Users\Admin\AppData\Local\Temp\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe" /-self_remove -l=en -xpos=270 -ypos=58 -prevsetupver=21.17.7.539.0.27.03⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\temp\0EBBF3F59ED3FE11CACA67F6944B7AA9\startup.exe"C:\Windows\temp\0EBBF3F59ED3FE11CACA67F6944B7AA9\startup.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe" -auto_update_mode="C:\Users\Admin\AppData\Local\Temp\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe" /-self_remove -l=en -xpos=270 -ypos=58 -prevsetupver=21.17.7.539.0.27.04⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
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-
-
C:\Windows\temp\1B85B4A59ED3FE11CACA67F6944B7AA9\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe"C:\Windows\temp\1B85B4A59ED3FE11CACA67F6944B7AA9\2024-07-09_21b6c4b5e00da4996b9d83593d05239d_avoslocker.exe" -cleanup="C:\Users\Admin\AppData\Local\Temp\200336A59ED3FE11CACA67F6944B7AA9;1512"3⤵
- Executes dropped EXE
-
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
98B
MD5c9475cc185b77eb0ae33ea28ee58ee39
SHA1feab5200e3a3500f15f96e5bea5fc89950200d62
SHA2569c6fb71629480852683d0d85aff2b1ec8cdf042329460075f60629e55bec0959
SHA5127c29c086265cbf12b50bf4239d2f8b2636869163eb7a3512c0aa60d90b5e3e944ab874a65eddb719c7533ffe506cb2844e10a81a06394a95463df24b69286033
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Filesize
4.2MB
MD50e59b36b30984880aa8736d3efb4f157
SHA14de8339002503bfae3fad5a6f64cbbadac966ea8
SHA2562415860ac6b5be4b9102da8a7f3bfdb1fc738f058dafb6d4e108d138c9fa9b51
SHA5126eaa9322d980f218d326631f64548fd02d9aeb1e90a560135ee7d3cf0670a953acce0f026e69679d52f8bddc69e38d33fa56831053ae932ed58af5e4550844a7
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Filesize
202B
MD56b561d329cd454c6d077b7b1fe6004a6
SHA12022410e390b1c26c84e74ba65726f06167f72e4
SHA2563a6cd939fb29927f10521264670ead5fb08c461c2358386a145b9e5c6bb4edb1
SHA51238ba1e15b2a8423173a3d8ce4b3ab8559d5872f29f3af1dcc340f91af8e3f55c7e155cd27d40ebfc26f8766e15b3f7c8a69795088f19f18c601d04469b86e67e
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Filesize
5KB
MD5682c0687696728a3a08a0dc24b6f436d
SHA1c0bcd7970ecd51ad5dd59cef89bc52855e0e6902
SHA256b5116d6459332e626f3046ef9e33aea124eef6881ac2023cb417b002ad789df9
SHA5124364a0a577890debfce758e1d82bac6cfaa0b5f9592952d11a753630cab340bcd59864c9c5e7ab51bef8025ce0dc7adb59fcec41b9a4c9d66440a9b058cb2be5
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Filesize
3KB
MD579a78149e4ef2e6e09cc061338c7b151
SHA199505d2461a18f16d4d185603887c60e226347ee
SHA256e6c0da20fc5d9eda24e4128faa5641f8b2d39951e0a0236c013e1f1efcbf83fd
SHA512a3baf55b373b943f8f1c8840cdc2f02a94aed436c54fdcb8cf6eeac9b5840a5e1a11be0c70460da0c17f6fda1b01b87f4e2a688abb5ddeb7819301a1354d688e
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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
5.2MB
MD5e0f40b176c34a1091f69338d7f91f516
SHA1570dc97802d99ad77915ff99ae83da686bcbfdaa
SHA2568b2459d0e4dbac8d9ee8bcb2b5b34b9b686d970730419d1400d43c9c5ffd7738
SHA51238375357144202f8ca12b2a913138f80e9db0b281044058fbc42e33a4eebcb8cc47af19d0fd6bd324620dbb2d908d8dbd2f850414c063a743170c05fab487d7b
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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
5.2MB
MD5cd774808b9a0144d5435c191ce2b9bfe
SHA1b64274df0115dc11c2b7fcadf1dee1cfe53d0ec0
SHA2564d0d58335b6d00827dcccabaeaabc711e4db9539b8cddaf37ddeef6337023644
SHA51229939b067743916779dcfafa00139cdb417248be0d2e29214e819a88fc4e4d81900af342a3e11a497a71e552db529e34c9efccb96a3ee6418bc4f1b2646a3b21
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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
646B
MD562af05bcda005097cff5c5ffdb169c0f
SHA1e96f479c5aefba7e776e8dc1e29684fef72709bc
SHA25672c400fe88dd754945b3da0215f54730dc32774813698a0fb8ea555b7cba3b32
SHA512ddcb762c9b0cc3ed3f652c2212d0571073735da4425a81993e33b8f36a6619d19d09f37a1ca249bd677812af6ae7287f96a92bfe66ac3da2c52daad8d08707dc
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Filesize
18KB
MD5417298a7f5e3a0fb309869a2ce0e36b3
SHA103bffa178720fea462dc722942b0eb80e197cfe3
SHA256d1e9389ec3e8f9b808fffd3074801fc7f0ac688aa24f08a2981b00b54950035f
SHA5124f66af196e2c3be22a48c70c547ae40e5ed9c41833fc9ec6151786f19988096dd3e2a18d4d670a7f1851e8027596cbcd09bef1e4239d807c442f184f7dafcfec
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Filesize
870B
MD5c69ebb0355e587a2d8d6aab75435513e
SHA1f3906ef84f054e79c105ac9a0c579b56f36763fa
SHA256b8926d63d16aa315b7906280f1985ebfc67d034347ddc982078b28049eff743f
SHA5121cb6ee8db8d70659fbeec4b612710dc479589d04e3af96cf0740f2a5b1021815c28cee9d117492d5d388e8294a8db9628d95746d982436467dc1b54ca67eed70
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
4.2MB
MD521b6c4b5e00da4996b9d83593d05239d
SHA1066efb09a2311073c6ad74ba2983db7d6a75bc12
SHA256903651d509dd0e3157fc00dc0c34337f2942580b5bc78e61b07fe301c81fae9e
SHA51279a7faa53dcd9e2e103feb310beada98d722225ba2fd586d8d9a6fcb6b0a22513f8db75f5ae940392e886f6e67115e0e1d16e7ef0ba49ff9d0a92a6f2458a335
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Filesize
64KB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
32KB
-
Filesize
64KB
-
Filesize
1000KB
-
Filesize
64KB
-
Filesize
112KB
-
Filesize
56KB
-
Filesize
136KB
-
Filesize
72KB
-
Filesize
208KB
-
Filesize
7.7MB
-
Filesize
200KB
-
Filesize
584KB
-
Filesize
632KB
-
Filesize
56KB
-
Filesize
224KB
-
Filesize
424KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
288KB
-
Filesize
2.8MB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
88KB
-
Filesize
264KB
-
Filesize
280KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
56KB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
64KB