Analysis
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max time kernel
152s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
09/04/2024, 13:04
General
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Target
Bloxstrap-v2.5.4.exe
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Size
7.6MB
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MD5
dbb820772caf0003967ef0f269fbdeb1
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SHA1
31992bd4977a7dfeba67537a2da6c9ca64bc304c
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SHA256
b2ac1e407ed3ecd7c7faa6de929a68fb51145662cf793c40b69eb59295bba6bc
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SHA512
e8ac879c7198dffb78bc6ee4ad49b5de40a5a7dbbda53d427d0a034941487d13c8bb2b8d590a1fcdd81cd6abb8f21fdfcd52924eb00c45a42ee06c1e4b3d590f
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SSDEEP
98304:XNd5DSd5DxTsed5D2ZT00UuOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrTl1:X+sdtObAbN0u
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 18 IoCs
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Modifies registry class 18 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of SendNotifyMessage 1 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.5.4.exe"C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.5.4.exe"1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Bloxstrap\Versions\version-f573c8cc796e4c97\RobloxPlayerBeta.exe"C:\Users\Admin\AppData\Local\Bloxstrap\Versions\version-f573c8cc796e4c97\RobloxPlayerBeta.exe" --app -channel production2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
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-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4424 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
120B
MD5636492f4af87f25c20bd34a731007d86
SHA122a5c237a739ab0df4ff87c9e3d79dbe0c89b56a
SHA25622a1e85723295eeb854345be57f7d6fb56f02b232a95d69405bf9d9e67a0fa0d
SHA512cd2e3a738f535eb1a119bd4c319555899bcd4ce1049d7f8591a1a68c26844f33c1bd1e171706533b5c36263ade5e275b55d40f5710e0210e010925969182cd0c
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Filesize
20KB
MD54f8f43c5d5c2895640ed4fdca39737d5
SHA1fb46095bdfcab74d61e1171632c25f783ef495fa
SHA256fc57f32c26087eef61b37850d60934eda1100ca8773f08e487191a74766053d1
SHA5127aebc0f79b2b23a76fb41df8bab4411813ffb1abc5e2797810679c0eaa690e7af7561b8473405694bd967470be337417fa42e30f0318acbf171d8f31620a31aa
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Filesize
71KB
MD53fec0191b36b9d9448a73ff1a937a1f7
SHA1bee7d28204245e3088689ac08da18b43eae531ba
SHA2561a03e6f6a0de045aa588544c392d671c040b82a5598b4246af04f5a74910dc89
SHA512a8ab2bc2d937963af36d3255c6ea09cae6ab1599996450004bb18e8b8bdfbdde728821ac1662d8a0466680679011d8f366577b143766838fe91edf08a40353ce
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Filesize
247B
MD581ce54dfd6605840a1bd2f9b0b3f807d
SHA14a3a4c05b9c14c305a8bb06c768abc4958ba2f1c
SHA2560a6a5cafb4dee0d8c1d182ddec9f68ca0471d7fc820cf8dc2d68f27a35cd3386
SHA51257069c8ac03dd0fdfd97e2844c19138800ff6f7d508c26e5bc400b30fe78baa0991cc39f0f86fa10cd5d12b6b11b0b09c1a770e5cb2fdca157c2c8986a09e5ff
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Filesize
176B
MD5f527b5859d7ca6c080ba954f3013883f
SHA13d00b598b1fb762ae0921bcc49ca189f05f417d2
SHA256ff11c95774ee0405666fa313f1e53ebb46b1352bfff3456ac2b2caccdab07b4d
SHA512e908a29c4316a15f5c16a005c69b402e0525b80e0c3284d6f19074ab8b05d62d079ecf43974b223a68d7c56cbf1789df69ab260553de1aab0edfbdad5e6d654d
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Filesize
17.7MB
MD538badac61740f6ab5cdbd4a9e1a6762d
SHA14b99c6f499238798b06dd3373493f3a57167538b
SHA256ede52870507bc549a07644f36821e3073157b205f39bfab2eee36594b5a7d1bd
SHA51243381654297df7028cff318d5611eaa50e6062d1ee92b2cf651130b0db0d578e17bea4ea1b7aad918ab90f94e9b116ac3e49a5d0171db3508fceb2d52c53ebbe
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Filesize
80.3MB
MD5a54a7b028a3cee2f0b453299f1086f37
SHA1c12624da7cd3eab410f3132a06d00014caf663bd
SHA2565b1ec2db3f1faa63c4391c1ca43c1840d890802b81df238d2d8f444663691eb7
SHA512ff45e397bcaca6792b26755d3428fdc5e2f3f3e8262e93e0a8cca8ada5eb25b34faf838b987733ff622dcd5e6c7786f7861c7156f36b7f316daba4b66cab9146
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Filesize
2KB
MD5fb6605abd624d1923aef5f2122b5ae58
SHA16e98c0a31fa39c781df33628b55568e095be7d71
SHA2567b993133d329c46c0c437d985eead54432944d7b46db6ad6ea755505b8629d00
SHA51297a14eda2010033265b379aa5553359293baf4988a4cdde8a40b0315e318a7b30feee7f5e14c68131e85610c00585d0c67e636999e3af9b5b2209e1a27a82223
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Filesize
2KB
MD5702c9879f2289959ceaa91d3045f28aa
SHA1775072f139acc8eafb219af355f60b2f57094276
SHA256a92a6988175f9c1d073e4b54bf6a31f9b5d3652eebdf6a351fb5e12bda76cbd5
SHA512815a6bef134c0db7a5926f0cf4b3f7702d71b0b2f13eca9539cd2fc5a61eea81b1884e4c4bc0b3398880589bff809ac8d5df833e7e4aeda4a1244e9a875d1e97
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Filesize
6KB
MD59404c52d6f311da02d65d4320bfebb59
SHA10b5b5c2e7c631894953d5828fec06bdf6adba55f
SHA256c9775e361392877d1d521d0450a5368ee92d37dc542bc5e514373c9d5003f317
SHA51222aa1acbcdcf56f571170d9c32fd0d025c50936387203a7827dbb925f352d2bc082a8a79db61c2d1f1795ad979e93367c80205d9141b73d806ae08fa089837c4
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Filesize
292B
MD5464c4983fa06ad6cf235ec6793de5f83
SHA18afeb666c8aee7290ab587a2bfb29fc3551669e8
SHA25699fd7f104948c6ab002d1ec69ffd6c896c91f9accc499588df0980b4346ecbed
SHA512f805f5f38535fe487b899486c8de6cf630114964e2c3ebc2af7152a82c6f6faef681b4d936a1867b5dff6566b688b5c01105074443cc2086b3fe71f7e6e404b1
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Filesize
538B
MD5fa8eaf9266c707e151bb20281b3c0988
SHA13ca097ad4cd097745d33d386cc2d626ece8cb969
SHA2568cf08bf7e50fea7b38f59f162ed956346c55a714ed8a9a8b0a1ada7e18480bc2
SHA512e29274300eab297c6de895bb39170f73f0a4ffa2a8c3732caeeeac16e2c25fb58bb401fdd5823cc62d9c413ec6c43d7c46861d7e14d52f8d9d8ff632e29f167c
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Filesize
130B
MD5521fb651c83453bf42d7432896040e5e
SHA18fdbf2cc2617b5b58aaa91b94b0bf755d951cad9
SHA256630303ec4701779eaf86cc9fbf744b625becda53badc7271cbb6ddc56e638d70
SHA5128fa0a50e52a3c7c53735c7dd7af275ebc9c1843f55bb30ebe0587a85955a8da94ff993822d233f7ed118b1070a7d67718b55ba4a597dc49ed2bf2a3836c696f6
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Filesize
985B
MD52cb16991a26dc803f43963bdc7571e3f
SHA112ad66a51b60eeaed199bc521800f7c763a3bc7b
SHA256c7bae6d856f3bd9f00c122522eb3534d0d198a9473b6a379a5c3458181870646
SHA5124c9467e5e2d83b778d0fb8b6fd97964f8d8126f07bfd50c5d68c256703f291ceaed56be057e8e2c591b2d2c49f6b7e099a2b7088d0bf5bdd901433459663b1f8
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Filesize
641B
MD52cbe38df9a03133ddf11a940c09b49cd
SHA16fb5c191ed8ce9495c66b90aaf53662bfe199846
SHA2560835a661199a7d8df7249e8ae925987184efcc4fb85d9efac3cc2c1495020517
SHA512dcef5baccef9fff632456fe7bc3c4f4a403363d9103a8047a55f4bd4c413d0c5f751a2e37385fe9eba7a420dbdb77ca2ff883d47fcdd35af222191cc5bd5c7a9
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Filesize
1KB
MD5e8c88cf5c5ef7ae5ddee2d0e8376b32f
SHA177f2a5b11436d247d1acc3bac8edffc99c496839
SHA2569607af14604a8e8eb1dec45d3eeca01fed33140c0ccc3e6ef8ca4a1f6219b5dd
SHA51232f5a1e907705346a56fbddfe0d8841d05415ff7abe28ae9281ba46fedf8270b982be0090b72e2e32de0ce36e21934f80eaf508fd010f7ab132d39f5305fb68f
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Filesize
1KB
MD5499333dae156bb4c9e9309a4842be4c8
SHA1d18c4c36bdb297208589dc93715560acaf761c3a
SHA256d35a74469f1436f114c27c730a5ec0793073bcf098db37f10158d562a3174591
SHA51291c64173d2cdabc045c70e0538d45e1022cc74ec04989565b85f0f26fe3e788b700a0956a07a8c91d34c06fc1b7fad43bbdbb41b0c6f15b9881c3e46def8103e
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Filesize
738B
MD5a402aacac8be906bcc07d50669d32061
SHA19d75c1afbe9fc482983978cae4c553aa32625640
SHA25662a313b6cc9ffe7dd86bc9c4fcd7b8e8d1f14a15cdf41a53fb69af4ae3416102
SHA512d11567bcaad8bbd9e2b9f497c3215102c7e7546caf425e93791502d3d2b3f78dec13609796fcd6e1e7f5c7d794bac074d00a74001e7fe943d63463b483877546
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Filesize
1KB
MD583e9b7823c0a5c4c67a603a734233dec
SHA12eaf04ad636bf71afdf73b004d17d366ac6d333e
SHA2563b5e06eb1a89975def847101f700f0caa60fe0198f53e51974ef1608c6e1e067
SHA512e8abb39a1ec340ac5c7d63137f607cd09eae0e885e4f73b84d8adad1b8f574155b92fbf2c9d3013f64ebbb6d55ead5419e7546b0f70dcde976d49e7440743b0f
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Filesize
1KB
MD555b64987636b9740ab1de7debd1f0b2f
SHA196f67222ce7d7748ec968e95a2f6495860f9d9c9
SHA256f4a6bb3347ee3e603ea0b2f009bfa802103bc434ae3ff1db1f2043fa8cace8fc
SHA51273a88a278747de3fefbaabb3ff90c1c0750c8d6c17746787f17061f4eff933620407336bf9b755f4222b0943b07d8c4d01de1815d42ea65e78e0daa7072591e9
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Filesize
5.0MB
-
Filesize
5.0MB
-
Filesize
192KB
-
Filesize
44KB
-
Filesize
64KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
20KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
192KB
-
Filesize
192KB
-
Filesize
64KB
-
Filesize
5.0MB
-
Filesize
192KB
-
Filesize
64KB
-
Filesize
56KB
-
Filesize
64KB
-
Filesize
56KB
-
Filesize
56KB
-
Filesize
44KB
-
Filesize
44KB
-
Filesize
44KB
-
Filesize
44KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
56KB
-
Filesize
56KB
-
Filesize
4KB
-
Filesize
192KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
152KB
-
Filesize
152KB
-
Filesize
152KB
-
Filesize
152KB
-
Filesize
152KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
156KB
-
Filesize
156KB
-
Filesize
136KB
-
Filesize
136KB
-
Filesize
136KB
-
Filesize
136KB
-
Filesize
136KB
-
Filesize
156KB
-
Filesize
156KB
-
Filesize
156KB
-
Filesize
156KB
-
Filesize
156KB
-
Filesize
5.0MB
