Analysis
-
max time kernel
135s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
-
submitted
05/09/2024, 06:04
General
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Target
20240905ef54d549da90941201b520329ac93de5avoslocker.exe
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Size
4.3MB
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MD5
ef54d549da90941201b520329ac93de5
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SHA1
51308526c58a643e6abe035c5695797c9b4bb4f9
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SHA256
1333eef4671f60bd4dce8dbd1ddaa59621ef2771425b8ae599e970fbb10e0550
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SHA512
fd82f403f916d753e412531b2190693d26fe88e85c749b45db77cad066be9145043fd3d7140917dfdb39028f0341bd2267a2b1d5722713e7e1808dea67d169cc
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SSDEEP
98304:kpq/d8kCBIlMyQjujDW9tBcg2jGqwwAydCy7Bcb7kSL1w5QuN7NkB3tiXy:tc35ujyp8jGqwwRO4NSNtmy
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.
-
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\20240905ef54d549da90941201b520329ac93de5avoslocker.exe"C:\Users\Admin\AppData\Local\Temp\20240905ef54d549da90941201b520329ac93de5avoslocker.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\temp\C371011BC4B6FE11FB9D67C229C8AC30\20240905ef54d549da90941201b520329ac93de5avoslocker.exe"C:\Windows\temp\C371011BC4B6FE11FB9D67C229C8AC30\20240905ef54d549da90941201b520329ac93de5avoslocker.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\20240905ef54d549da90941201b520329ac93de5avoslocker.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\KFA21.17.7.539.0.360.0\au_setup_B12A520A-6B4C-11EF-BFD9-762C928CCA03\startup.exe"C:\ProgramData\Kaspersky Lab Setup Files\KFA21.17.7.539.0.360.0\au_setup_B12A520A-6B4C-11EF-BFD9-762C928CCA03\startup.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\20240905ef54d549da90941201b520329ac93de5avoslocker.exe" -auto_update_mode="C:\Users\Admin\AppData\Local\Temp\20240905ef54d549da90941201b520329ac93de5avoslocker.exe" /-self_remove -l=pt-BR -xpos=270 -ypos=58 -prevsetupver=21.17.7.539.0.114.03⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\temp\D57BC29BC4B6FE11FB9D67C229C8AC30\startup.exe"C:\Windows\temp\D57BC29BC4B6FE11FB9D67C229C8AC30\startup.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\20240905ef54d549da90941201b520329ac93de5avoslocker.exe" -auto_update_mode="C:\Users\Admin\AppData\Local\Temp\20240905ef54d549da90941201b520329ac93de5avoslocker.exe" /-self_remove -l=pt-BR -xpos=270 -ypos=58 -prevsetupver=21.17.7.539.0.114.04⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
-
-
-
C:\Windows\temp\C371011BC4B6FE11FB9D67C229C8AC30\20240905ef54d549da90941201b520329ac93de5avoslocker.exe"C:\Windows\temp\C371011BC4B6FE11FB9D67C229C8AC30\20240905ef54d549da90941201b520329ac93de5avoslocker.exe" -cleanup="C:\Users\Admin\AppData\Local\Temp\7025A21BC4B6FE11FB9D67C229C8AC30;3052"3⤵
- Executes dropped EXE
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
3KB
MD579a78149e4ef2e6e09cc061338c7b151
SHA199505d2461a18f16d4d185603887c60e226347ee
SHA256e6c0da20fc5d9eda24e4128faa5641f8b2d39951e0a0236c013e1f1efcbf83fd
SHA512a3baf55b373b943f8f1c8840cdc2f02a94aed436c54fdcb8cf6eeac9b5840a5e1a11be0c70460da0c17f6fda1b01b87f4e2a688abb5ddeb7819301a1354d688e
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Filesize
142B
MD580933434253180059fb0f923dde87a02
SHA1ccef73b879cf7354bc20590a44fc68171ed863dc
SHA256c2e805766e8feac66cbc51c5ba3ae1ffddebd715a8ae59239386d751acbf8b93
SHA512fc612721928f7a938961a3561e5593a74691623854eacf37a1f05a46c03836f7ae3335b54c1ccd021715d25c50b7cad2a975b9da7671da781deddc68431df246
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Filesize
4.3MB
MD5b0b2811009e904082d187e56062b9cf4
SHA1e543e55a32ddf5324b0f2cb799adab67b8485ba2
SHA256d9a338b541dfc66b2da0688154f0c3d9beda4e0026d0c9a986c75d6d7dd271c3
SHA5124f1463bdf17b7d6940b14a56fb381ab6fd945ee966322f95da64d8afb1072d75d542898826f5daf85c0e46d9e3a6b4ddf15afbd737afc73a1ac7216faef5ba9e
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Filesize
582B
MD55d268958c25ee72e4b2f5aa0402f2527
SHA1a525b1ce517aaa0b0ffdb6cc06923fd2f5ce8d65
SHA25663d2eeb9c8d257c3a5d15586e7d6792602343b0c8da13151f03bd462713ac683
SHA51260a988b650e9c9c0ab47480185c93818e5a1beef64054f3eeb4503eca6a67fc9f8a0d835622dde33f99f676cfeb22694e33d69e30bca35e8218a4481a02968af
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Filesize
5KB
MD509c8ec06c05a25fef3b217f73c6900c0
SHA1f48c32261a722e9d49214b899a63e1350ed24f16
SHA25610a4717afcc97748d7cccb2f22f02daff4cb706f630db4d1e65810f1cab43d64
SHA512fb6da555924925e6a3c5138f5acec3ffd98ad0d74da70868f7d2eddf038c1d5a5b0a6bf59be709999cf1b535981c24702ceeea57eb889b255e651b2e4b6d7d82
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Filesize
5.5MB
MD5c1bf2b8f7b759a0728149cb6735c0fa6
SHA193f8c0097790a993b6c430045af47d83de204317
SHA2560ac2f32a10ed225dc04b30b4bb344e2e3864fa0a26e875a6502985023791f9f6
SHA5126b8a383496b7ce27a539dec4abf493a95852984796c397f5da1380f255c00ec630701c587d998b53c5d0b861867c49f9598a343013d0cb871dc708109617ff40
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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
-
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
MD56574e9998376a63f60f4d25df7c96194
SHA139b2a415e26ec682c131ecd830ded6ec9e5458c2
SHA256d8a05cd2983e228d02a575fc4f3a3123cb9a26464e9c2e2e079a12e6a8a9ab03
SHA5127eacc2c288c11c7a399d25b0e4ba20043d10e0681ff78a5493480cd6a09b57ff026b84214a950860379c4e9974c0597bbfc045c2d675556355ccbe68132aa465
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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
-
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
22KB
MD509c4e9f41c4b8bfdb6bf8916af730ecd
SHA1a215913aa718b459d8e3c13dfd22e5246dcff38c
SHA25657bf969d3c10d5be0a4b31b8e530c1e005622c8dc809ee4fbd4c214f3b3e9a37
SHA5127767639c5e068fd3e83a527dfce0345c902673e50102a6c5ba3998ffa2d16f0417a74bee15fce9b6825eabe94f6d36c4528cc70c4541294415b26b9f0f64937e
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Filesize
3B
MD5ecaa88f7fa0bf610a5a26cf545dcd3aa
SHA157218c316b6921e2cd61027a2387edc31a2d9471
SHA256f1945cd6c19e56b3c1c78943ef5ec18116907a4ca1efc40a57d48ab1db7adfc5
SHA51237c783b80b1d458b89e712c2dfe2777050eff0aefc9f6d8beedee77807d9aeb2e27d14815cf4f0229b1d36c186bb5f2b5ef55e632b108cc41e9fb964c39b42a5
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Filesize
40KB
MD5e6fc57e26efef5b32d65088fce06cb66
SHA10b149841d6245ef147d4b807d6788848aba08a29
SHA2567123d1ce7b20e9458706236c25c8862986ceceac2e85157b550e618d606694fa
SHA5128459d19e6f2b47de1364b844d63b6d655484475adaa3e94486a641c6952feafb94e29cc8acedbb441aaffefd61eeef47cac9b13e900c36de71220d60d7279fb9
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Filesize
566B
MD5ad6ca585f8c879baa4e312dfab1776e2
SHA1615a941fc1441791ce0bb64242c969605fa30e17
SHA256651c2ee3a44cf4bdf17125637ab9cd851775cd5a4df50af1b1ed04d32a495e7e
SHA512652d83f69d1b6fe8b182d185ad875d90128f2942c9badc5b1e7b6188c3ca28f23591a9c0ee95c828a8b483627062f36d435d7c5d7d62e5a7348af7d189e45552
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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
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
5KB
MD5367253e6ff15817050f5f6675d30aded
SHA1d07b27c132682d3cfe090b5d371879c29f33d9e3
SHA2568852b8fef4f8b39bfd5edf125c3aca9473b5b16d9818b743a8af173f39bce07b
SHA512f1f460c8957769ee6f641fc5bffee8b85153949f3b0f97609a0ad2e2187fc1f78bee49db31579b1f14ecb2d539ae025e8180cee5c2d2c2c687bc83278af5da30
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Filesize
30KB
MD58e4080fdeb0c1c02c7697efe69edca7c
SHA1a7503be947fff11671f1b8b7126bde5af7d00828
SHA256ba80be9d85b93b21afef1eb30c67ff9acb01bd2c1dfa7cbf80287db991b26668
SHA5123a9dcb338a65593f1613740a9f23c0e0527b8b80af5ad7c8995f79b1b0c17c495fe01d555d8c1307fed28febbbb97b737a254bf3e7d10b63681a4020bc8b5118
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Filesize
4.3MB
MD5ef54d549da90941201b520329ac93de5
SHA151308526c58a643e6abe035c5695797c9b4bb4f9
SHA2561333eef4671f60bd4dce8dbd1ddaa59621ef2771425b8ae599e970fbb10e0550
SHA512fd82f403f916d753e412531b2190693d26fe88e85c749b45db77cad066be9145043fd3d7140917dfdb39028f0341bd2267a2b1d5722713e7e1808dea67d169cc
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
4KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
112KB
-
Filesize
200KB
-
Filesize
64KB
-
Filesize
72KB
-
Filesize
224KB
-
Filesize
56KB
-
Filesize
4KB
-
Filesize
88KB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
7.7MB
-
Filesize
4KB
-
Filesize
64KB
-
Filesize
1000KB
-
Filesize
64KB
-
Filesize
584KB
-
Filesize
4KB
-
Filesize
7.7MB
-
Filesize
136KB
-
Filesize
7.7MB
-
Filesize
264KB
-
Filesize
280KB
-
Filesize
2.8MB
-
Filesize
208KB
-
Filesize
424KB
-
Filesize
632KB
-
Filesize
56KB
-
Filesize
7.7MB
-
Filesize
288KB
-
Filesize
56KB
-
Filesize
7.7MB
-
Filesize
32KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
4KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB
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Filesize
64KB