Resubmissions

19-07-2024 16:44

240719-t9bryatfme 10

02-05-2024 07:54

240502-jrj1gseg96 10

General

  • Target

    Vortax App Setup.exe

  • Size

    47.3MB

  • Sample

    240719-t9bryatfme

  • MD5

    cab622641242a6f2fcbb8a1ae2698fd2

  • SHA1

    9d56b54643706787c16f0cae4e9e565c1e1a49ec

  • SHA256

    f3176e0859ba92049dcd57685c1b5f49b97183ff49fcc79f2ce4ad2b31d2d843

  • SHA512

    324ad8a7669d15ef19d0c1d7b362d17f2118414b4e8672921fe45994db0425200a38e26fc4c169ecb19f7c4aa8233fc5dfd32c3cb32e600cc031139d0e530cf1

  • SSDEEP

    786432:MXCn7F7DZHw0SLuXUG6fssNb8ReGJqznv+DGODFjupn5oZfikV6PH2fLbTvkw0Y7:MyRPZQ5LKQ0sNGWO1FpZf+PH67vkoGKL

Malware Config

Extracted

Family

stealc

Botnet

vor21

C2

http://45.132.105.157

Attributes
  • url_path

    /eb155c7506e03ca9.php

Targets

    • Target

      Vortax App Setup.exe

    • Size

      47.3MB

    • MD5

      cab622641242a6f2fcbb8a1ae2698fd2

    • SHA1

      9d56b54643706787c16f0cae4e9e565c1e1a49ec

    • SHA256

      f3176e0859ba92049dcd57685c1b5f49b97183ff49fcc79f2ce4ad2b31d2d843

    • SHA512

      324ad8a7669d15ef19d0c1d7b362d17f2118414b4e8672921fe45994db0425200a38e26fc4c169ecb19f7c4aa8233fc5dfd32c3cb32e600cc031139d0e530cf1

    • SSDEEP

      786432:MXCn7F7DZHw0SLuXUG6fssNb8ReGJqznv+DGODFjupn5oZfikV6PH2fLbTvkw0Y7:MyRPZQ5LKQ0sNGWO1FpZf+PH67vkoGKL

    • Detects HijackLoader (aka IDAT Loader)

    • HijackLoader

      HijackLoader is a multistage loader first seen in 2023.

    • Stealc

      Stealc is an infostealer written in C++.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Suspicious use of SetThreadContext

    • Target

      $PLUGINSDIR/InstallOptions.dll

    • Size

      15KB

    • MD5

      d095b082b7c5ba4665d40d9c5042af6d

    • SHA1

      2220277304af105ca6c56219f56f04e894b28d27

    • SHA256

      b2091205e225fc07daf1101218c64ce62a4690cacac9c3d0644d12e93e4c213c

    • SHA512

      61fb5cf84028437d8a63d0fda53d9fe0f521d8fe04e96853a5b7a22050c4c4fb5528ff0cdbb3ae6bc74a5033563fc417fc7537e4778227c9fd6633ae844c47d9

    • SSDEEP

      192:EyGQtZkTktEQUrJaZfuyCnSmUsv3sY7L7cW8Y6Q86QvoTr11929WtshLAzgSrX8:EyNt+4t7uJalUnGesY7Lt8nCr/Yosa

    Score
    3/10
    • Target

      $PLUGINSDIR/LangDLL.dll

    • Size

      5KB

    • MD5

      50016010fb0d8db2bc4cd258ceb43be5

    • SHA1

      44ba95ee12e69da72478cf358c93533a9c7a01dc

    • SHA256

      32230128c18574c1e860dfe4b17fe0334f685740e27bc182e0d525a8948c9c2e

    • SHA512

      ed4cf49f756fbf673449dca20e63dce6d3a612b61f294efc9c3ccebeffa6a1372667932468816d3a7afdb7e5a652760689d8c6d3f331cedee7247404c879a233

    • SSDEEP

      48:S46+/pTKYKxbWsptIp5tCZ0iVEAWyMEv9v/ft2O2B8m/ofjLl:zbuPbO5tCZBVEAWyMEFv2CmCL

    Score
    3/10
    • Target

      $PLUGINSDIR/System.dll

    • Size

      12KB

    • MD5

      4add245d4ba34b04f213409bfe504c07

    • SHA1

      ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

    • SHA256

      9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

    • SHA512

      1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

    • SSDEEP

      192:VjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZv0QPi:B/Qlt7wiij/lMRv/9V4bvr

    Score
    3/10
    • Target

      Accessibility.dll

    • Size

      20KB

    • MD5

      fb554f9fe0b91f135d26ac6459cfd6f2

    • SHA1

      b1269a2c28bded872b14fe70b69484631ef3a65d

    • SHA256

      929ea150ad45b7c7dd5427461fbec44d43b67c08081f59b42b6abf570feae271

    • SHA512

      8dffde6cddfc59ec380111fd36048126559e1f1e080c081ca0d09021bb23d6888e93e1659c7b3a8fa46f76602b03cf3e638ec1a80fba79e51648dcb32362e10c

    • SSDEEP

      384:qBmy0h6gSGRaOcHitWG/W65kHRN7lI+R9zJKBd:7SNOcHOUOi9zEBd

    Score
    1/10
    • Target

      D3DCompiler_47_cor3.dll

    • Size

      4.7MB

    • MD5

      03a60a6652caf4f49ea5912ce4e1b33c

    • SHA1

      a0d949d4af7b1048dc55e39d1d1260a1e0660c4f

    • SHA256

      b23e7b820ed5c6ea7dcd77817e2cd79f1cec9561d457172287ee634a8bd658c3

    • SHA512

      6711d40d171ea200c92d062226a69f33eb41e9232d74291ef6f0202de73cf4dc54fbdd769104d2bb3e89dc2d81f2f2f3479e4258a5d6a54c545e56b07746b4c4

    • SSDEEP

      49152:xCZnRO4XyM53Rkq4ypQqdoRpmrgBVYvkaRwv/ZD0/WYLDltog/RfznLeHTRhFRNI:YG2QCS6HHzog/pznA7T6VP

    Score
    1/10
    • Target

      DirectWriteForwarder.dll

    • Size

      526KB

    • MD5

      69044c681ea1eedca54d13ed97e1452a

    • SHA1

      f4fbb066afa38be160fc4462994b2cdb67af5cca

    • SHA256

      778936b5baf157c3a040955bc637936952e7b68c5aff83536d4b613ed9691cde

    • SHA512

      4aed9e46d1670e6b85254bf905e4bcc53e3fa9d7e1b29d434c86ee42feb90a992e80057ad476ee4561389368ed8308e9f9548012d85dec26dcda9dc2ecb766d8

    • SSDEEP

      6144:PQd8G8WEjiXSMYhtsOljgEk+hY8rY2JQT296UKf12fzfOqpo0EVbn95n3i1+wZ:P5G8WEjiX/Yvh0E9rY2NDJO0Cbn9d3S5

    Score
    1/10
    • Target

      Microsoft.CSharp.dll

    • Size

      982KB

    • MD5

      8e7612cc8019d952a93d9b777e71b802

    • SHA1

      d973dfb790614e9a5e7c3ce8b421c085d11937ed

    • SHA256

      df495f74456ad5ae30a5bac440b4d3808fa2d13c377cce1afc0146b8319ded6e

    • SHA512

      3a818940d3c6f5da11bc86c974a54323ae2a1ad876613790ffe68aa5b674c54e5de0c133614236f45a89de86a5547cae4f8e6f2c97d7874221b2b1a285e14355

    • SSDEEP

      24576:XUpXJ0Hy8Ext+9whtbSa0wHVu9yH1sCzwUD/zD:EpXiHyN++tbLzHVu9yHXPjH

    Score
    1/10
    • Target

      Microsoft.DiaSymReader.Native.amd64.dll

    • Size

      1.8MB

    • MD5

      804b9539f7be4ece92993dc95c8486f5

    • SHA1

      ec3ca8f8d3cd2f68f676ad831f3f736d9c64895c

    • SHA256

      76d0da51c2ed6ce4de34f0f703af564cbefd54766572a36b5a45494a88479e0b

    • SHA512

      146c3b2a0416ac19b29a281e3fc3a9c4c5d6bdfc45444c2619f8f91beb0bdd615b26d5bd73f0537a4158f81b5eb3b9b4605b3e2000425f38eeeb94aa8b1a49f2

    • SSDEEP

      24576:qz0s9kT3H8I0bo5rjwjnbRCJMy37DjZ3IrVynoT/RUqtMAIEohkGXTwImgP:qYs9m3H5rjQn1CiAnZ3yV+oTZQEoTTH

    Score
    1/10
    • Target

      Microsoft.VisualBasic.Core.dll

    • Size

      1.2MB

    • MD5

      3a037c21af5742650933cebf0521f3d6

    • SHA1

      8b22127c4feb185c5d02d83b5f1fe3815821036c

    • SHA256

      34271825351d9871583dead758b44676ef2bac56c4b7ac7124fadb087ea44f6e

    • SHA512

      3451bd4b3053d3834f07fc1d0d6a691fdadab2b7290d1ad21b48e9f319249aac89455b1caea463beb4b2910b90b7f8a518221b2f3b0e3863beca3104030c8ee3

    • SSDEEP

      24576:qFMvfAlbPZy4jHHa2frxkxRecGSIsRv3i6hFqQX:qFMvolTvHHa2DqT3i4

    Score
    1/10
    • Target

      Microsoft.VisualBasic.Forms.dll

    • Size

      242KB

    • MD5

      79fe89013356423a12f52fb8a09a54c7

    • SHA1

      3e5fda4b2c8d3b41c9b88404a01a2b8dcfd06ebe

    • SHA256

      62878ad85c315f06a00f7f1f543bba3f411838e80fb7bfe4d6f6ec935930efdc

    • SHA512

      3a3d927a7944b40fcc6990c94574eb42b1e7fcbbd29f405d0dc5471c63549c63f7b7c61a3d17c2fd33cfc21c4bab0492e6532b6542cb4d24e10bd9dd0bb249d3

    • SSDEEP

      6144:K6IA96ZdbZRjEtB5dzAbxbDme2NUIPOzQI:f9MbYZdGpgUwOcI

    Score
    1/10
    • Target

      Microsoft.VisualBasic.dll

    • Size

      18KB

    • MD5

      e5ce0f3a5d15d8b6693724c40197a9fe

    • SHA1

      2e0b6bfdbb5c185ca71fe1d5b5f0eab18d568471

    • SHA256

      9d20ca17355838ff3d2f3c89fbaf7c705bd01d297d1eb589489a84f6430da894

    • SHA512

      3b87f295c1d914dc1ae95798e2ee1fcef40dc0ab1688ec247d4c2c777c253912980ecc8bfba11f0327a9d8bda9c1c36752de9ba936cba902ccb4cbfa7e82a26d

    • SSDEEP

      384:+2gfnShxL2GlzxWmHr9QdWTTb2HRN7AxR9zr75:+5n6lZlzX/iA79zh

    Score
    1/10
    • Target

      Microsoft.Win32.Primitives.dll

    • Size

      15KB

    • MD5

      300c95ff95b52e8a02fec6bfcfa58225

    • SHA1

      b646f89fcd463ad5c19889b4fea40540568b780c

    • SHA256

      f1b40565e5c4c41da810aee5b7d2272a0906e88f796812435aa5ed712bcac40c

    • SHA512

      9bfe0eb6eea98b2d35aa42986a273ec82424143965e173b32bb4b7e5537580a027940a6952a45fc54f0b665e871deb2a95651106c2f24c7de3b3d3cd2dec7e89

    • SSDEEP

      192:Vi0pAxFWh/pWYuWXebPpUNTQHnhWgN7agWlnfEl+X01k9z3AE1a9Fb4hk6gn:ViMeFWh/pWYTb2HRN7cY+R9zF1aLchkv

    Score
    1/10
    • Target

      Microsoft.Win32.Registry.AccessControl.dll

    • Size

      34KB

    • MD5

      8ed7b1aa897a85bd5619220f28be88ef

    • SHA1

      539839a6fc00d462340d569fff8f42b06010df8f

    • SHA256

      9ee0d84655655e39ede6d23aed940c98a3a8eb6270d878b252ea1720f750cead

    • SHA512

      2caacc3f8b5084effeac526873365697f72e242fbaa71a94fe5e739dbfe5dd35a85ad618d31d2ddc65d648c3f2f5ad436d14f9d4bcaa813e88e4bf1643e3a196

    • SSDEEP

      384:FWFPrWFVHFcKRKbUWTb2HRN7Jr+Hj+R9zjj2X:M6FvRKbH/iwHji9zY

    Score
    1/10
    • Target

      Microsoft.Win32.Registry.dll

    • Size

      118KB

    • MD5

      b69cd4e54d44e1d73ebe2c1a492dff43

    • SHA1

      44739e4f0a64cd1dce73afddae1e27c20e663757

    • SHA256

      e1c83bc80e79863e80cfaca350291ae5bdf942c59f39e812770039bdaa660ac9

    • SHA512

      9aaf53d69401175f35f079b031806266ec419170205a0291f38986a4b1cc39704f1e081ff18d178b0fb9d9b5eaceca60384e7e1fa2eeaaab88b2e157a1f8e667

    • SSDEEP

      3072:5vauwrxjsbG4TJ6UJSvEVcULVi8AiC1HLP:AQ64t6UJSvEVzIlb

    Score
    1/10
    • Target

      Microsoft.Win32.SystemEvents.dll

    • Size

      94KB

    • MD5

      089edcaae873c9371b2dc9a4399f62b9

    • SHA1

      441686e76986ecf295e50e80a78dc093dc9f9a02

    • SHA256

      c81a58bd27c74f91e26245c530c4cadc5425a1a1586886c6a5631eef9d81fde2

    • SHA512

      6b88f9264fdbbb0585efa21940fc888c593862ebb3bd305890294f64b37a81967a8ab2fbba30aa3f5db2994c25c57929df1644e269be898b77c77d4c0181f943

    • SSDEEP

      1536:BF0vV+d5uN62jM2HHdKCqN/4IGrtsD3jvSD7Tir+zr:Bav8d8N5jpH0QIGrYjW7l3

    Score
    1/10
    • Target

      PenImc_cor3.dll

    • Size

      158KB

    • MD5

      362e037c4be1cb28fac25612e9be029d

    • SHA1

      4a11ab39dbd0dba5480f54324c58f8294b19ce5f

    • SHA256

      f95b51b5bee746ea3430a277f0473f42e4e22fc12b8dbfc719346cee579b80ff

    • SHA512

      945b6cc6cba7742323b6cc023eb78b227180bf8a0f8c134871948410b48d9399ae68f52ef80e18945fb018508f92ae6da9584c75c6f12fe06f6e86fdea4611d6

    • SSDEEP

      3072:OzAUq2kMBlUb8BQLBzDUw7aaHSuEmUgPuoATZ+AiRvYY4ZmoJ:OzHkMTvmLtDUw2huEmd2LbYvi

    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
7/10

behavioral1

hijackloaderstealcvor21discoveryexecutionloaderstealer
Score
10/10

behavioral2

Score
4/10

behavioral3

Score
3/10

behavioral4

Score
3/10

behavioral5

Score
3/10

behavioral6

Score
3/10

behavioral7

Score
3/10

behavioral8

Score
3/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

Score
1/10

behavioral32

Score
1/10