Analysis
-
max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
26/05/2024, 01:46
Behavioral task
behavioral1
Sample
2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe
-
Size
10.2MB
-
MD5
c163188fb6c26c3f22d25389554a86c8
-
SHA1
45062d37fd2492c92d36b32d1e0ed12d8a65295e
-
SHA256
ec7ecdf023cb95016132201840d8afe04af6dd3566d0568a9361b6f2ab0ad39d
-
SHA512
7e147277ba9cd0617309033ccab0235a7d2574d5e7b4f38b0a8a235944bc2c727e7152b7a3e265267dafe3e8cab7bc2c480bb403d036d7c42df11466a7336d40
-
SSDEEP
196608:0cKfHrGDDpFC4g0AVIGv38ZJ9BIBxIFO48RmU/3ZlsPvHuchVl8Cm5rUSfn:6SDLgtIGiYXIotN3ZWOi6L
Malware Config
Signatures
-
Loads dropped DLL 24 IoCs
pid Process 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 1280 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1708 wrote to memory of 1280 1708 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 29 PID 1708 wrote to memory of 1280 1708 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 29 PID 1708 wrote to memory of 1280 1708 2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Users\Admin\AppData\Local\Temp\2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_c163188fb6c26c3f22d25389554a86c8_ryuk.exe"2⤵
- Loads dropped DLL
PID:1280
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
98KB
MD56ba0dbcd2db8f44243799c891dbd2a59
SHA130a2719d4b8667fd237bcfb781660901c993d9fc
SHA256263988a0868053b6b01835cd2959c8f71e3f943610421b269da646f2d9e3b333
SHA51294dea85ef50d55cec0d1bbae4671386ce8ca02e870ce417abfef0a8499fdf0bd0eb5ba38debd07c213f7da39cbea63a18143484b05e9c7ca36b2f68e4520bb4d
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Filesize
123KB
MD5ffde1baacbe6729ad5246068870915a4
SHA12d42751140fc244f19dece6b1948b2b67d36bab4
SHA256cc839990fb1020520731c35a183c83c9dc927aa78fa6b149a92a39e9d156c8b8
SHA5121ac3ec986c55af37eb93d35a15e8a64726e5154240c0c5aac8286f7e347c678482ec65c62b454cf237023253642335ce6b3f6c0cc084e1527e61d48aaf7752f1
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Filesize
77KB
MD5fc47a3b4dc7353591970a20678b90a81
SHA15ca5436e0c66f468bb48b5ea16c69125fcc34bea
SHA2564e7ee0ecf839c42d96c53309384737e8f84bb5e90ecd20d511cc3fc6ec135f44
SHA5128f52f33ce49bc38a9356d46c63aef4f8f05d491377f4969f52fd84f83712faed3d9637044d27583bf06fc52687667b630ba8d2eb8ee27f4a810520df5499b725
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Filesize
18KB
MD563f88fa59f6ced6ec5bc50b5407b1fc2
SHA19806cd443812e7939c4d95e3c583c2785ea165b1
SHA256a179666b529fc407fd16be148f5f221fd7774773e80a94d747091aca7d390da4
SHA512bef016e0cccb71ab6efd357bbcc3e4f03fe8cb1392e022689aee2048afa3f20192dd2b1496d763cdea81264c644bd30cd40c7976d95ebf27882ed434b74e03e9
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Filesize
18KB
MD55b99824d6509fe5b4f0dc09c3706e4b9
SHA1d5b08505f9359be50f45449b7d46da42b00da7c7
SHA2562771bf5156cdaf5dddc234254dc200064c2643ea2368807a965f5574153b4c08
SHA512f5c604d95b056b71d801ac9b84d7127718cd9cfab8fffb7524c9c8a919e8a24e3b55d618931302c4be83560bc95871db6ecb9ec79fa254e235bee55d32036e67
-
Filesize
20KB
MD55d32a3644d850032038b55546b6d6665
SHA1faeeb777ce0af9716e0e534ba3846051e52e3ab6
SHA256bc3972ea34c0df384e6b1196cdf88c805f7363949e7c92d5cf457fa5114d4512
SHA512a14b10468159b67ff7af52f7c8248995d528341000718069734017a079278d0248d76b369dad8b1c20f0b4480ae55d9e5b48ded02a12a83a943def9a4cc3436d
-
Filesize
18KB
MD5d4148c6bc8c9881eedfb64c87375f629
SHA1485d36a00bdeb09dfc3cb87ed239b0f750d68f16
SHA2566a8ac79a755982c408b86ac6876d0f861c96ad7b3ce203b8951d7d278b113f20
SHA51267e75d666f9ec431049e01a883a9e96472b5489929d9a81fff7d1c8518b3980eb9a85c5f510c9daa2bd38e937cad307afbfa11d904b1c554444fd5b174d52a7b
-
Filesize
18KB
MD575ab723020ac262b6b5669b9be0239c4
SHA1fa6672eb6ca5f2ba3cd1764a98e1c8875d307866
SHA256af9bb3ff8b02b16a5ad1897db329bb934d07dc081984044373f2d1ac03532907
SHA51283b7ccb5c5f550178e72741fa4cdfea55b4c55fd0fca3947618089871872b824cf0e59da12ab342559e3a34d86d98d855064b651a3168c1cfc583d5d4a47308f
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Filesize
19KB
MD5e92cfdb8c9c51a6c71c5c54806523e90
SHA1ebdb0e58d63a1d7be71fad242ffb7720ae0e4fd3
SHA256a808e1f0f9c07ed2f8a79e3fedf5d38f609f7d0133bf389297792bbdadab4ad9
SHA5122f1dfb3f1d7116a1600d646daeb16cfcc3fb316d7ca1cd2a2f43c9a75778fc794a972b7c7a51cad7ace0ed0a4596b0cbc89438f2fd509307703e718aabed4f38
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Filesize
22KB
MD5ed15ef84534e2fa66367e6c4c9cb7cc9
SHA1aec86397eec95ee4e9f79242b4463a24e41d2059
SHA256a1393aeb73c32caa5052a76897558b5475c1f396c5476387ba8d7bf3f471bd21
SHA512e3196e418205eec8e2b2f735437f92b3e563c753fedba99e8944a7e020cca97ed8de5226933d367f60bdbaf4a01dba9d033b92aa1c0a5724eb44dcc76140061d
-
Filesize
18KB
MD5bbe2aefb77c6b261bac6b26e512a6e7d
SHA118a50ffd595499643d443b983d17f76ef5908d35
SHA2565efa4dfbb7da525ee1da0f011913b8846cca53ac7cd23986e5170957e05dc277
SHA5122fa82403df54e4088c89f3b5df90d91dab968616a7c75f99d4b63d708659999651ff66ca8a4dec6452a0126830c6ac90666e93acda7062e6643510aab65801bd
-
Filesize
20KB
MD517a90b88c1b5de0ba44b545decb82a6e
SHA11977ffc8229b6595a3fad639b4f51700e462da65
SHA2569e997705299430dbb57b202d81d5719ef9d5270ade741f1bbf2e2ad40aea087c
SHA5120e40be7a8ef7f9fd80ee3c9803bec5ab4180bb8a7d752943963888d5a4554c5689af5cefeb329d67b0912587f98f5d3761dd73c71babfb2dcfc4b57494a35846
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Filesize
19KB
MD504936cba5f2d9ba40c3e266824c231e5
SHA176ffd8c1e2ddfa165e653b86aba7737e0c57e8a8
SHA2563f93421fc454937c6f35f48818d72b8e39dba5d0fbc532dc83dca55f3d203977
SHA5129f6a69a90a6a4d572f43500f1942b49432f4f9544afc1a2fa998f8c0a714bec87d87c6fa69a5d21385e8e06c3541ada3b79f0b8b1806035b5e1338f9ed40238d
-
Filesize
18KB
MD535e02a5275ed2f085378cb8176084b2b
SHA1585c458870b919d700675e215005154852465ca0
SHA256ec9c2a143354de7813cec1e28dc3d8e2ca2be86731dc8585fa8f8afdc2bc888e
SHA5127d297ba6e3c73fcad574f154b90e2f408c55e8b216e193736753ef681baf2cb807f0bc61419e1d78b44332071cc06fa1d4cbf2b41dc94ba2f199b4fcadc27df4
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Filesize
27KB
MD5cb35f30dd6a029b01062ba83519669b7
SHA1c48a8690dca1fa879ff755d462b0932877d81269
SHA256ef00bce29046e7a8fc02c457eb7f3f3d6a5a8b8fce82458d9880f0306b573ebf
SHA51298735c93298953d6a9e00f7401a59c05982431f425ddeb0edb830e98b81fafba80fb6978cafcf1c134aa3b9f018bc7eb04b3f67d83ee298cc8bfdf5a7a1eceaf
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Filesize
19KB
MD5e6994ee954ad1f87ac692276d5d88b49
SHA17d7f71ce40b8d9a2da42fbb541118eb7df42744d
SHA256a8a5b4a98c97c86b03d450fca7425da03e60e6a07fbc1ff95f8e49c74de69b13
SHA51251ed50386a6a1938a37784aca93eb7dd63e7cb664ee48c8e1b6fe006003c3962fadb7d7e7073d23315025d25fad704f8d17ba5c65228474b5e4068e89ee0ad5e
-
Filesize
22KB
MD5a195ec3ec8a4b1338533d1f492f83ba8
SHA1d0c50ce07aad05131a660e2656fb081705ec1eb6
SHA256c2f1173a9f345edb990b99d59af4db54c66ab3769215c2ad7c1b51cb26586c0f
SHA5121d222fe1b30821c6d0da1bb4a2999b1c7517bec5c8a9eb1dca0c9db73e3e42f9e60f630b9ea47e13249c35a8ef2deb6143bb5b1f90ba015d05b67c2dd8387780
-
Filesize
24KB
MD54d91df0a5080be0b5a041aaca7010d73
SHA1fa202c72fcec9abdfac4bfd099f8bac9f32ef462
SHA25661c050402388f3edda6aff3388ad0952b79a8afb8f739da3426b86939ba3d784
SHA512575ee7b6374a2f4ce5d1c015c01acbccdfd06561c33587d871de87abb328a406a02b361bab7a886bfa9c37b69673aa200b9b88e45bb505bcf9136b9da1303411
-
Filesize
24KB
MD5c0e1da84e6ed196820a06ddc0f773edb
SHA11c41607d7b4dd121775892beac4d9c4f7c22ad5d
SHA256ddbac73c9505645e7526e60b4aaa81296b4e8efd34aa9e81b7590f52f8adaf90
SHA512cc3768f3c0c37288b19f791a02b23a6fd3502fddfefabbb2dc8348bdc816f00173091a161e950dec1a057be53c12d6cd3fd394ba466c225df09cf3cdcf40412f
-
Filesize
20KB
MD547a1f3d4f55113376e2eed5305447e74
SHA16914cf19b690a8ef469b4e99983f9436727cb1ef
SHA2560b9418bc7ceed49a75799a0808f16252e151106fbe98dfda44bad079dbc1887e
SHA512d5b9e1f50228af63fa1f7e830410306e8d3ad2691efc4f9f8631db401449a7cddd1c37b31564ee0b9a6f6375a91531f513cd3e6c769ec90443256198739e7e9e
-
Filesize
762KB
MD524a92735f7dbeb4c6c52ec72f71db4a6
SHA17ae2d1abed5846cb6ccd4e8396aea29d2259f503
SHA256be27c83ddb0ee74118ce5ac75016e70962cccbc552542bd5004f5c9a3268dc26
SHA512d260a29e44add93eea96d4839b8c08ca418b97e97ccd5d7af7bb02f08ec26bec42b3f8cd797555f3d389cfd44fc9b86a4844578682deac233b99098a62b0f900
-
Filesize
1KB
MD519123ef84744f91e1d8331f658110061
SHA138238ee8b1959aabf67a5da38f3b99056d4c3f76
SHA256a43b9fd4ef7170ba0a191f73079e95236be594c78932eb939effa6aaae152789
SHA5129ccf482bccb42a5a2906ecb0d5744f6e96e23b753e4173ac9f9c34c98bf8e7dc9d20280c8871f51bccc15e6e869d2b639415d180b87a7951f91bd7e6f65683d1
-
Filesize
32KB
MD5eef7981412be8ea459064d3090f4b3aa
SHA1c60da4830ce27afc234b3c3014c583f7f0a5a925
SHA256f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
SHA512dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016
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Filesize
4.0MB
MD5c0ed63bf515d04803906e1b703e9cb86
SHA161f9a465d7a782aedfd5e2b1a9dc8bff6c103b5a
SHA25624bfc999a733d4759ca40425610555f597b1d015f87ef5f84e15c665297247a4
SHA51278384c34cefc40cb86913dffdc6a360668467731a8a3678d5f8377d8ae63d244b45506b0b6e2498825b53abe8fd84d2b75b3e9fef3703fead90183ace433e70a
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Filesize
26KB
MD5f4887f1d906dc336fe0c3f7dbb720ca3
SHA167def676ad3569029d2a357a40a138fc7570bdcc
SHA25636552bc64127d4866c657c9b74c0399baad70957a5380896fd8202e3a6bb7b4f
SHA51251006d164c2512adfab92d22be5fed7c093cb647821045a6cdfd2ed7a30d94e620a446b8434b3e91d5544ef737e1492f3dc6c29cadbfdfa5e41df7fb5106a301
-
Filesize
969KB
MD560606071bf033275377fd66a2a7de09c
SHA12475cdfd25427be07b3662e99c185cc49df35c6e
SHA2564eace6c996a2ed322bd43810db9fb64e20114682f4b71fcd4031215f803f5f47
SHA512bf9fbe3d162388be71d866a818f0f583ffb479fa151e62125ff200d40902e6ab1e61822e85ca01c319a1304fd899390ecc7d9ba3b3b061eac84cd23d644b699e