Analysis
-
max time kernel
143s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-06-2024 02:17
Behavioral task
behavioral1
Sample
2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe
-
Size
11.9MB
-
MD5
ccf28af40d78acf12f05894559150e70
-
SHA1
8165f8862c491731cf1adeb9469ee5cdd7b9e650
-
SHA256
cdf13eedd60a35d7ed8f74721e36c8f77505fc4da9ec6ae34c0f4e47f73c590d
-
SHA512
5c5aa1e6d6540568b31b85d8c8d6d2e4ffaea8e211575a4ccdfccebae349a5ab95fce23d64aa18c14d407af83880e7f2a9cc071eb919ef42ac11fec85500e817
-
SSDEEP
196608:ybOOqTXrTaXPA4pzxw9BK+gpvDq9onJ5hrZER5xQ3jo4U648RmU/3ZlsPvt7+sTa:HTXafVxw9BKpbq9c5hlER5xA26tN3ZWp
Malware Config
Extracted
C:\Users\Admin\Pictures\README.txt
3DfRZMeEAEuD1pjMrE8P4VnPBB863oebHn
Signatures
-
DemonWare
Ransomware first seen in mid-2020.
-
Loads dropped DLL 36 IoCs
Processes:
2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exepid Process 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 2996 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exedescription pid Process procid_target PID 2640 wrote to memory of 2996 2640 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 91 PID 2640 wrote to memory of 2996 2640 2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Users\Admin\AppData\Local\Temp\2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_ccf28af40d78acf12f05894559150e70_ryuk.exe"2⤵
- Loads dropped DLL
PID:2996
-
-
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=3812 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:81⤵PID:2772
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
15KB
MD54b2a7333c46b2b9ff31ea051adfbc3e3
SHA1e70b24eef379174dd1448a224456bd23d029f2da
SHA25632724cd93515e542b24887c714e825d16f38dfc6c762711f566bf65c816a374c
SHA51223ae6237349446706c9e32f7422eb709ec0f37e4b65a9d039ec7a593adec42aa15abb4fdd7886dd7c410c9d2597eeb1966bf05b71ff59cd80ba2638132cdeb55
-
Filesize
13KB
MD5f3685f2d6bafab5c239caea7dc7faf67
SHA125e90e2c4d2a28391d060b8b842a036afa980c61
SHA256be805b0cc32419859fbf0fc06c00fb178e49b51d67add736dc43750495fe0d06
SHA512a502ef565288d4ff14cbbf8ea58f501a15b9565f5d6087e8b4cc2515d23df2b61dea8698562b755051891485acc940be57710799ae0ae75c2bd969d81ff5ffe9
-
Filesize
14KB
MD516c56e3fb3c8b6792aa81fc27e3b3bac
SHA152c089d2e970728062d57f127e51638f657f2898
SHA256cae7b092bf323d5fb9bd97faa8839f9df6e946fe5cc5bf651d04e22b320fd280
SHA512be1f8152fe5fdb788e73ffddad19b670d50af44ae922d7703351c2677c1068b58c4be5952c95f6fd7a207d5e7433f65a3ee3d8196c5dc7a08f98912600177fb1
-
Filesize
14KB
MD55b0ae53ac88cdcc5a8c959b619421f2c
SHA113d6bfd61bdaf72b05b070c79e49f0c57d75b49c
SHA256030ba5b4aafda597cc62c2f340a2b2cdc15280b1f08f52c27a6aca4e34ad3870
SHA512ad8e6bde4eb75ed921432e8d10ca15b1a6d890875f65e9214694a204a987dbbdc99b669c984df2cc6349f18ccc7f812d573856eddb30d8aa7a3646c7857378ad
-
Filesize
11KB
MD5f7d18c30f58bb64108955dcbdbd9e767
SHA1f0678e2a89a18f7b9f777419e1544a2923787fa6
SHA256ed33378b96f14afd0a181594fc6529c5fad386d62e156975151a2d3df3f3043e
SHA5127d101bb7ed27b0ab39c159aa4052181f500ac0213d555afc0e3f43fd07cdb62bf95aeb77a124913623d40e7b052bec4842862063e4cbb1f690f2ad92908b9b6c
-
Filesize
12KB
MD53605b34ca8944fcf8e3f9195ee19a5be
SHA12f55c8a236d5c1894d120b3f1493bc1c71519bc7
SHA256b7cfa8ff75d2717e1ac01f95fa30def3f50b0661c37326f8081d281881305c21
SHA512bb45388ec0794e0ea3d1c35afb3ec7ccd29f2c07fd186669f26069fa2b938f7c7200dd94a6cd8d7bdd46ac26527991f75d14f4383ceefe5f4413af7574737897
-
Filesize
15KB
MD53b0dd732bf6058b1ed797fbb8e3bc9d1
SHA13f13a5e708b1b26f670cfc9aa5b3ecd84382abae
SHA2567d1d5226be5f7e5a64be5c0334d1bc0654f95c4264a4ae188b1f6d3975f7f12d
SHA5129121c1dfd4094a12ffae1e91069020cc3e8fb23197f3674cf14279200448c12bd6377dbf18479473e139ea22375b09058f052c2db716d59f90a832210d1a4754
-
Filesize
17KB
MD50824637de685a4bc801deddd2e519243
SHA1046f08ad0751b5add4b7b74fbf0247979ddb8432
SHA2563f56f08f3ceaec70cec7b45bd69c83999446ba0dfddc6636c05f0cde2fb9b1e6
SHA512968dbd28dfe1d91e3a393a49f0baec2a5663925264cd253ae489e67b92d606c9787049481aee4c3370344f2ea46e9320de5c1ead828f71fae727f45d926d2cb9
-
Filesize
19KB
MD599252cd54dac09c53ada74e50d6d14ef
SHA1b6e06d8fcecac0f7b48deda17e02fc4874c4f3fc
SHA256da5a46d672008f2da7e016d47e8d10b8d343e386f5a1ed534d9986b9dc3ab821
SHA512da6207291d26f201acd2a26131de2846caa7d61f1a48618e8ccf7f3bdb05012bf70fb5bec69320505b5f00e07a4b2bdc6fefc2d00ed22bb6c500d16f270f90ee
-
Filesize
22KB
MD59928250fbb57d753734ae34b41f6dc28
SHA1674944db6d4bb0718ab6c5327f6896df01f78470
SHA2562a1a9df342e7261425e7e83b674b32fc49918b970f147c728ca018cd9f3dffa5
SHA512799184eab64a273dd4c5d76b780fd8a86bb535557957f360fe8d85254a52c14a461ee9f4fce14dd892faf12235150d8ecd8afebc38fae1222e128ee7b7ba96aa
-
Filesize
14KB
MD54dce36fbe7945cc481540ed01ca8a9ad
SHA1a42ca12a1fd10fc4344e22ff0cf04636ed2cf079
SHA256b2094f11fdb9ed8db33fe33e86a8c4ac96c56679fbef7a20a15fe63e505811b3
SHA51238f2adc35dcbc3524e0cb31ae13b7ce324ec04b2f2b5bef748399110cc6025f123494204fe62ebca493d68da4807b6e803c14d6060ea1feda0cd2b5057d79188
-
Filesize
13KB
MD5f869255edd2c17f103d9330a3daf18d7
SHA1f1d9e5fc4406685ce966a82c8b7ed33e3520fd95
SHA2569dacae80d6127546f0ceb0a36bfcaf34ac1cdc12ab30bf6165df15997a91a7c8
SHA5126194dcf030d5e87cdf6e1a8da0ed2304969279c6dbdecc73baf09ffa5fc65a449a68a233db987507846598c6d97f6acd6165f7a60ec42dcf980b69f830f1a0c8
-
Filesize
13KB
MD51509827b82033c9497af8b2ab5d2ebdd
SHA1f8d7ea32b981274136e7bbacdd1b47984cfeb0a7
SHA25620a9494be4478051f62c18e98bb726be67d2d74df00c66afa754cbebf009616f
SHA51221c752339467b7478e29d1c4e6b0ec6534dcd5abdabc69189acd3898bef51b823b6a0ca25e9c18599f594e2c2dd0b8a0273f7355737345718f3820ab105a799f
-
Filesize
11KB
MD5852d4fb59d01b9d1de79fe3d0f281c03
SHA1e8a4f36abb041c1928b92fc57f51510a3bac86e3
SHA2564aee6a9621fe296fd2608364d34bdada63a34f64606623e73466e5183e9b6f8e
SHA5123f047f90240e54a6b7b289fa740bb02e8fa101fa5d85898b55365eadebc894994c374ccd5da24ff658c98ac740f060a396bc3882e78d2aa36ca3141e398ff207
-
Filesize
11KB
MD5138500067f9c2e9ff72a108e13b3e182
SHA10ffaa57ab0193eb3fdda315e32f41f8dd5c9c649
SHA256c8da8ad5af56d5d5ba7d338ab23f5f78239229218a6ac2735564b5d08b2da3f3
SHA5122887553b7358475795d8f7394e60321998355516065b46a436de4e488dbbf6b4104c45def6ad714bdd3105c3602838aab9306cb1742c02512c1056b53ad4fc33
-
Filesize
2.5MB
MD54c4c592134096ab72192312149953b77
SHA10d7b8524e37648b8694766310cf29b7ee6894846
SHA256c565c21a3a42752ca70a21747a9f96b46ee778ad5531c77535ea1d1be8998ac9
SHA5126e73a990e11e55d9699284ae5fa7fc63dfb1ca189511967cb9b2d73b9779a9a3454ba2abcea75bb64b4193e1a2a736753a52e2b5b54c7c115d1fbecc8d8b363b
-
Filesize
91KB
MD57942be5474a095f673582997ae3054f1
SHA1e982f6ebc74d31153ba9738741a7eec03a9fa5e8
SHA2568ee6b49830436ff3bec9ba89213395427b5535813930489f118721fd3d2d942c
SHA51249fbc9d441362b65a8d78b73d4fdcf988f22d38a35a36a233fcd54e99e95e29b804be7eabe2b174188c7860ebb34f701e13ed216f954886a285bed7127619039
-
Filesize
84KB
MD5499462206034b6ab7d18cc208a5b67e3
SHA11cd350a9f5d048d337475e66dcc0b9fab6aebf78
SHA2566c2bbed242c399c4bc9b33268afe538cf1dea494c75c8d0db786030a0dcc4b7e
SHA51217a1191f1d5ca00562b80eff2363b22869f7606a2a17f2f0b361d9b36b6e88cb43814255a5bac49d044ea7046b872bac63bd524f9442c9839ab80a54d96f1e6b
-
Filesize
123KB
MD5b74f6285a790ffd7e9ec26e3ab4ca8df
SHA17e023c1e4f12e8e577e46da756657fd2db80b5e8
SHA256c1e3e9548243ca523f1941990477723f57a1052965fccc8f10c2cfae414a6b8a
SHA5123a700638959cbd88e8a36291af954c7ccf00f6101287fc8bd3221ee31bd91b7bd1830c7847d8c2f4f07c94bc233be32a466b915283d3d2c66abed2c70570c299
-
Filesize
173KB
MD5087351dd1e9508a29633e03dbdc7d2ae
SHA1284a7662e548ea9179906bc4ae013d04d4f5d09c
SHA256a048bae40ececd2d56a79216c8552e3a3e6f9c4bfa1f6fb1c4987b954b80bcb1
SHA512cf3e9b146ef20c0c50ef07650cc13c4b9f70632dcff9783df761d2a8b6e0e0f25f78a290db3b6150bbc83684ecb000bc8bb2d7b7fe283d40822b7d09a605228f
-
Filesize
64KB
MD560f420a9a606e2c95168d25d2c1ac12e
SHA11e77cf7de26ed75208d31751fe61da5eddbbaf12
SHA2568aa7abe0a92a89adf821e4eb783ad254a19858e62d99f80eb5872d81e8b3541c
SHA512aaf768176cf034004a6d13370b11f0e4bbf86b9b76de7fa06d0939e98915607d504e076ad8adb1a0ebfb6fd021c51764a772f8af6af7f6d15b0d376448aba1a7
-
Filesize
158KB
MD5bc118fb4e14de484452bb1be413c082a
SHA125d09b7fbc2452457bcf7025c3498947bc96c2d1
SHA256ac0ceb8e6b5e67525b136b5ce97500fe4f152061b1bf2783f127eff557b248a3
SHA51268a24d137b8641cd474180971142511d8708738096d865a73fb928315dd9edf46c4ebf97d596f4a9e207ec81828e5db7e90c7b8b00d5f416737ba8bffc2887bf
-
Filesize
78KB
MD50df2287791c20a764e6641029a882f09
SHA18a0aeb4b4d8410d837469339244997c745c9640c
SHA25609ab789238120df329956278f68a683210692c9bcccb8cd548c771e7f9711869
SHA51260c24e38ba5d87f9456157e3f4501f4ffabce263105ff07aa611b2f35c3269ade458dbf857633c73c65660e0c37aee884b1c844b51a05ced6aed0c5d500006de
-
Filesize
63KB
MD5426a61990ded0d75ec892b475888caa3
SHA1a382595a3481949ecd9d88683f585b1d95d285e4
SHA2567b42c10c651931b8984e4797fc713656bcce4db420197881f9d9946daad0cf6a
SHA512eb23ae788178f9a26a2254db79abe8ddb8a12ba8b188a473a59eaa7574883452b79e2dee792598d8f3f03893448d7edcdc9b22c2b5f728a4a7a71380877000ad
-
Filesize
767KB
MD569565178bd1858a88140564820e64509
SHA1b87a6c32223fb0a475d79a241a8997a84cd5c5c0
SHA256013a0d369fbe2f0a43065db1ce99a024ebb08019530d64d18fed4e3d2e7ece56
SHA5120399dbe371780819952b48055d4566d6d3d2fd77b40c44fde1d0993d00b9164f171b49a0c7eacbbc28ba9ee7b777c7793542b76f2d769bfa4c33fde4fc8bc08c
-
Filesize
3.2MB
MD5cc4cbf715966cdcad95a1e6c95592b3d
SHA1d5873fea9c084bcc753d1c93b2d0716257bea7c3
SHA256594303e2ce6a4a02439054c84592791bf4ab0b7c12e9bbdb4b040e27251521f1
SHA5123b5af9fbbc915d172648c2b0b513b5d2151f940ccf54c23148cd303e6660395f180981b148202bef76f5209acc53b8953b1cb067546f90389a6aa300c1fbe477
-
Filesize
32KB
MD5eef7981412be8ea459064d3090f4b3aa
SHA1c60da4830ce27afc234b3c3014c583f7f0a5a925
SHA256f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
SHA512dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016
-
Filesize
185KB
MD5ed82c3f14a839092d2d9d27092a19640
SHA141ffcd82998b003c1e83961c329379d3512c863f
SHA2562d59ddb10d0fa2516da1e879d2b3f180272160a4325f705d4e71ed21b90438b8
SHA5121b25165bda699c8e1a37e022d3412a4a6e780c1f93b2880aa67902811b0971fee0b100ad561271d23c4b7dc36eae6ee5af40b19481df75285db35d15c0904bf9
-
Filesize
4.2MB
MD5c4b75218b11808db4a04255574b2eb33
SHA1f4a3497fb6972037fb271cfdc5b404a4b28ccf07
SHA25653f27444e1e18cc39bdb733d19111e392769e428b518c0fc0839965b5a5727a2
SHA5120b7ddbe6476cc230c7bdd96b5756dfb85ab769294461d1132f0411502521a2197c0f27c687df88a2cd1ab53332eaa30f17fa65f93dac3f5e56ed2b537232e69c
-
Filesize
27KB
MD5a2a4cf664570944ccc691acf47076eeb
SHA1918a953817fff228dbd0bdf784ed6510314f4dd9
SHA256b26b6631d433af5d63b8e7cda221b578e7236c8b34b3cffcf7630f2e83fc8434
SHA512d022da9e2606c5c3875c21ba8e1132ad8b830411d6ec9c4ddf8ebd33798c44a7e9fe64793b8efb72f3e220bb5ce1512769a0398ecc109f53f394ea47da7a8767
-
Filesize
1.6MB
MD5c0b23815701dbae2a359cb8adb9ae730
SHA15be6736b645ed12e97b9462b77e5a43482673d90
SHA256f650d6bc321bcda3fc3ac3dec3ac4e473fb0b7b68b6c948581bcfc54653e6768
SHA512ed60384e95be8ea5930994db8527168f78573f8a277f8d21c089f0018cd3b9906da764ed6fcc1bd4efad009557645e206fbb4e5baef9ab4b2e3c8bb5c3b5d725
-
Filesize
1KB
MD55900f51fd8b5ff75e65594eb7dd50533
SHA12e21300e0bc8a847d0423671b08d3c65761ee172
SHA25614df3ae30e81e7620be6bbb7a9e42083af1ae04d94cf1203565f8a3c0542ace0
SHA512ea0455ff4cd5c0d4afb5e79b671565c2aede2857d534e1371f0c10c299c74cb4ad113d56025f58b8ae9e88e2862f0864a4836fed236f5730360b2223fde479dc
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Filesize
1.4MB
MD5fdc8a5d96f9576bd70aa1cadc2f21748
SHA1bae145525a18ce7e5bc69c5f43c6044de7b6e004
SHA2561a6d0871be2fa7153de22be008a20a5257b721657e6d4b24da8b1f940345d0d5
SHA512816ada61c1fd941d10e6bb4350baa77f520e2476058249b269802be826bab294a9c18edc5d590f5ed6f8dafed502ab7ffb29db2f44292cb5bedf2f5fa609f49c
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Filesize
854B
MD54b6bc80ac9a56a23fac2afceae11b7c1
SHA170eedfe9187a0554c9c37728f29609103f630d30
SHA256f8cd21d98a035420d1569f059f53754e3a743ef43c760e413341986326894c1b
SHA512d4082ea4e9d93edd46ce53709e167f3a4b8e97e8725dc28222b40844c23166fc3bffd733cbbad27236ac2e5e3bd38582d3662ed924e923fd97aa57b9a5c17c8c