Resubmissions

08-02-2024 19:42

240208-ye7cksbg28 10

08-02-2024 19:33

240208-x9kavshh6s 10

General

  • Target

    Korepi.rar

  • Size

    22.4MB

  • Sample

    240208-x9kavshh6s

  • MD5

    ecb834d94edbee6f13e0851fa6caf1f4

  • SHA1

    3212af8c23e6c19ef53b6b7d711397676b508e26

  • SHA256

    3343644e85fc33f8cd3b97e0f7275053f1c272932379c61b3c0d3c620a23a4ee

  • SHA512

    12e31a8d653f68c5b4af69b9f20622923fd1f28ea414e5dcdc2be373f5a4fcc860f01fafee3b11dca018568c3f602ad1d484c3c19c050ef5348d1c0bb6091254

  • SSDEEP

    393216:daXr/gp4rHPuszFA5Hj/9/gp4rWcQQtwvxPCsWQQs/uszDq2Z/SE/Mb4KZnJsQwJ:di/gp6HHijV/gp6WVQGhW3stzZREb4Qq

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1204820036871651418/CUplXl5h8mK8wayRD4L98BI20GJlZ7pUqazPKIFG3k71PQZAQLEztS-LsGq873wkB2Tf

Targets

    • Target

      Korepi.rar

    • Size

      22.4MB

    • MD5

      ecb834d94edbee6f13e0851fa6caf1f4

    • SHA1

      3212af8c23e6c19ef53b6b7d711397676b508e26

    • SHA256

      3343644e85fc33f8cd3b97e0f7275053f1c272932379c61b3c0d3c620a23a4ee

    • SHA512

      12e31a8d653f68c5b4af69b9f20622923fd1f28ea414e5dcdc2be373f5a4fcc860f01fafee3b11dca018568c3f602ad1d484c3c19c050ef5348d1c0bb6091254

    • SSDEEP

      393216:daXr/gp4rHPuszFA5Hj/9/gp4rWcQQtwvxPCsWQQs/uszDq2Z/SE/Mb4KZnJsQwJ:di/gp6HHijV/gp6WVQGhW3stzZREb4Qq

    • 44Caliber

      An open source infostealer written in C#.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Target

      Korepi/Korepi.exe

    • Size

      274KB

    • MD5

      efa2b41e3fad6f9748f69cee22300fd8

    • SHA1

      9989d14b2b6876f53969ca4346109fd377013a71

    • SHA256

      f8caf6d4c0c782dc6f40399a72286412dba50c081c38efee96417910516e0123

    • SHA512

      2bca7353443a8e771abdd71780545f08e20d9231161802a7d838860f6149c07bf912142cf2c2def98439ee3d8904c65fb7f0a2f229dcf73575270062c3f60ec6

    • SSDEEP

      6144:Af+BLtABPDLgj1xw1eO5rbMMzhgUsYqTXGRFafTyElI1D05KJ:r161eO5rbHHsYqTXGtp1DDJ

    • 44Caliber

      An open source infostealer written in C#.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Target

      Korepi/chrome_100_percent.pak

    • Size

      126KB

    • MD5

      d31f3439e2a3f7bee4ddd26f46a2b83f

    • SHA1

      c5a26f86eb119ae364c5bf707bebed7e871fc214

    • SHA256

      9f79f46ca911543ead096a5ee28a34bf1fbe56ec9ba956032a6a2892b254857e

    • SHA512

      aa27c97bf5581eb3f5e88f112df8bfb6a5283ce44eb13fbc41855008f84fb5b111dfe0616c310c3642b7f8ac99623d7c217aecc353f54f4d8f7042840099abc5

    • SSDEEP

      3072:5KzwqCT4waJL2myFhPNL2o418Gb0+VRLf0ld0GY3cQ39Vm2I:5Kzwt4LwmU3K18Gb0OV8ld0GecQ3f2

    Score
    3/10
    • Target

      Korepi/chrome_200_percent.pak

    • Size

      175KB

    • MD5

      5604b67e3f03ab2741f910a250c91137

    • SHA1

      a4bb15ac7914c22575f1051a29c448f215fe027f

    • SHA256

      1408387e87cb5308530def6ce57bdc4e0abbbaa9e70f687fd6c3a02a56a0536c

    • SHA512

      5e6f875068792e862b1fc8bb7b340ac0f1f4c51e53e50be81a5af8575ca3591f4e7eb9239890178b17c5a8ff4ebb23719190d7db0bd8a9aa6dcb4308ffa9a34d

    • SSDEEP

      3072:+DQYaEQN6AJPRJL2myFhPNafR54x5GMR+F44ffbdZnYw9p4AbIVGYoDd+HxNK/r4:+DQYaNN68RwmU0gx5GMRejnbdZnVE6YR

    Score
    3/10
    • Target

      Korepi/config/config.config

    • Size

      161B

    • MD5

      c16b0746faa39818049fe38709a82c62

    • SHA1

      3fa322fe6ed724b1bc4fd52795428a36b7b8c131

    • SHA256

      d61bde901e7189cc97d45a1d4c4aa39d4c4de2b68419773ec774338506d659ad

    • SHA512

      cbcba899a067f8dc32cfcbd1779a6982d25955de91e1e02cee8eaf684a01b0dee3642c2a954903720ff6086de5a082147209868c03665c89f814c6219be2df7c

    Score
    1/10
    • Target

      Korepi/config/resources.pdb

    • Size

      859KB

    • MD5

      a94625694cb03f4d65d29d03d81a26d9

    • SHA1

      d64d366da9e9f9c6ea9227b67f48c078e1b860f0

    • SHA256

      e7e2f44e3eecd370607270bf468c863730a59f9a476a76092019d7457d2970ed

    • SHA512

      8bf9456d2c0e145da6a4de3e325f176b47076d7b4669583eefa0435ed0180975be67d106524f75105a9f864e2fffc9a8b3ad57ee6a93ba3c999106ea12a9387c

    • SSDEEP

      6144:OITx2IE9/00FgHGshz1yiTWkKZ4gQWbt1NpfJXz3z0XWbVJXz3zE:nogR8o27NpfFB

    Score
    3/10
    • Target

      Korepi/d3dcompiler_47.dll

    • Size

      3.9MB

    • MD5

      ab3be0c427c6e405fad496db1545bd61

    • SHA1

      76012f31db8618624bc8b563698b2669365e49cb

    • SHA256

      827d12e4ed62520b663078bbf26f95dfd106526e66048cf75b5c9612b2fb7ce6

    • SHA512

      d1dc2ec77c770c5da99e688d799f88b1e585f8dcf63e6876e237fe7fce6e23b528e6a5ef94ffc68283c60ae4e465ff19d3fd6f2fae5de4504b5479d68cbc4dba

    • SSDEEP

      98304:q4Xyn7IfxiYMzgom1mEU/AJC/vujMD9rM:809om1hU/Aavu4D9rM

    Score
    3/10
    • Target

      Korepi/d4dcompiler.config

    • Size

      161B

    • MD5

      c16b0746faa39818049fe38709a82c62

    • SHA1

      3fa322fe6ed724b1bc4fd52795428a36b7b8c131

    • SHA256

      d61bde901e7189cc97d45a1d4c4aa39d4c4de2b68419773ec774338506d659ad

    • SHA512

      cbcba899a067f8dc32cfcbd1779a6982d25955de91e1e02cee8eaf684a01b0dee3642c2a954903720ff6086de5a082147209868c03665c89f814c6219be2df7c

    Score
    1/10
    • Target

      Korepi/dll/ffmpeg.dll

    • Size

      2.4MB

    • MD5

      c921230b4bbe802f0d797db79d0009b9

    • SHA1

      dd852ce1f82b2daadfb85efa9c53e3264e1d401e

    • SHA256

      02a6d001e6dd944738e09b720e49dcb1272cb782b870e5ae319d4600bc192225

    • SHA512

      6acdda7d638609ffa1989e50dde5a51436ae3d98e036b24ffc2c3f08bc0d39e91a5a2ea427063645f3141f06e7c272ca45fd41333d6770f8402651489a0f6da7

    • SSDEEP

      49152:u/LIKmZb04F/xKbOhyoWKuVWaMhGoEIoqc8:u0vZjgqhyoW9v178

    Score
    1/10
    • Target

      Korepi/dll/libEGL.dll

    • Size

      375KB

    • MD5

      51cc9f3891cfe33e095f901c8e5f121d

    • SHA1

      03ac95d250969e65a3ede7a29c3e5425ccdd9fe1

    • SHA256

      961aff31cab097ebb973a32140c4f87c415734412771cf1fdfe24ddc675b54c2

    • SHA512

      3351898af8c75afa8df3f300416bc9d40f4ead90ea947876140ec54a015fafd149427a9dfb5b7c8239ae229839edd786561a5a73ffe37f29758946fd18730039

    • SSDEEP

      6144:5tp6qTYU1a4FPLg8Z166+6FKkHmIMTPSZMP:pvTnRm8Z161WGXPSZ

    Score
    1/10
    • Target

      Korepi/dll/libGLESv2.dll

    • Size

      6.4MB

    • MD5

      fb74e837a2ebbf59afeb09106644a9ab

    • SHA1

      55225fcc692aa332f698960c3dc1140d791d1fa1

    • SHA256

      e6ab5fc601d0d230c989d2f481b37c259a0a1fffb7fb841b7099a5e966f0088a

    • SHA512

      585e464de076d6d2560288fe9430004430effb0599134bfb30fabb7bad3cdccff9458d21d17f580823a308cd6472f36d1f1ce6a04e568ba6dcca2e68fd39d63f

    • SSDEEP

      196608:2NtQrp20oWAyqiq9RcMDBtC3rS4+4aJs4t:2NtQrp2uAypq0MDBtg1EJ

    Score
    3/10
    • Target

      Korepi/dll/vk_swiftshader.dll

    • Size

      4.3MB

    • MD5

      ad00a712203b9dfb702d886e43d215e6

    • SHA1

      1921d4d14b5ac0a669f69cd852a41eba8377a434

    • SHA256

      01742049534047b956328b9a0ca57f720e957edb684a6a0d70acc992e2b684fc

    • SHA512

      f4672dce073c940fe3b9f9687fc9a195b5d0a6e51bb92c91047775be244ce95a2c743947eb05299d77cb3c8b914821984bb98182bc9afdc35e3963148f5562e0

    • SSDEEP

      49152:TRFxCyzWuNtr3nQAqKktwjcXBQkHTTZjbryATFeYkScdII2HM2lbpTFk6dwkIIq/:TR+rwY1V2iy0SpGOjECAetx80J

    Score
    3/10
    • Target

      Korepi/dll/vk_swiftshader_icd.json

    • Size

      106B

    • MD5

      8642dd3a87e2de6e991fae08458e302b

    • SHA1

      9c06735c31cec00600fd763a92f8112d085bd12a

    • SHA256

      32d83ff113fef532a9f97e0d2831f8656628ab1c99e9060f0332b1532839afd9

    • SHA512

      f5d37d1b45b006161e4cefeebba1e33af879a3a51d16ee3ff8c3968c0c36bbafae379bf9124c13310b77774c9cbb4fa53114e83f5b48b5314132736e5bb4496f

    Score
    3/10
    • Target

      Korepi/dll/vulkan-1.dll

    • Size

      774KB

    • MD5

      c5292c08876926143ef404b3e638c314

    • SHA1

      aa4917507da1bd71d0671c449af9e2e081295c90

    • SHA256

      84c7f070e59f3b0bce2d32d4f2e6c7e03fb5d30f82a99c4edd8a251c9a3c0e74

    • SHA512

      9e4d8f89de130d20ac7fcc34e3e8914320bed5d0ca61156a80a8d9bc66882e6f6a19012106e949ecda8e515203a605ad56e19ec0d4c0f73cfbab5f40c5746763

    • SSDEEP

      12288:4UohdHyFed5rdrIlAj9HuibYc+0lNRcHVrkxhHnOs:4UoqAd5rdM6pOTc+kNR2kxVH

    Score
    3/10
    • Target

      Korepi/ffmpeg.dll

    • Size

      2.4MB

    • MD5

      c921230b4bbe802f0d797db79d0009b9

    • SHA1

      dd852ce1f82b2daadfb85efa9c53e3264e1d401e

    • SHA256

      02a6d001e6dd944738e09b720e49dcb1272cb782b870e5ae319d4600bc192225

    • SHA512

      6acdda7d638609ffa1989e50dde5a51436ae3d98e036b24ffc2c3f08bc0d39e91a5a2ea427063645f3141f06e7c272ca45fd41333d6770f8402651489a0f6da7

    • SSDEEP

      49152:u/LIKmZb04F/xKbOhyoWKuVWaMhGoEIoqc8:u0vZjgqhyoW9v178

    Score
    1/10
    • Target

      Korepi/icudtl.dat

    • Size

      10.0MB

    • MD5

      76bef9b8bb32e1e54fe1054c97b84a10

    • SHA1

      05dfea2a3afeda799ab01bb7fbce628cacd596f4

    • SHA256

      97b978a19edd4746e9a44d9a44bb4bc519e127a203c247837ec0922f573449e3

    • SHA512

      7330df8129e7a0b7b3655498b2593321595ec29445ea193c8f473c593590f5701eb7125ff6e5cde970c54765f9565fa51c2c54af6e2127f582ab45efa7a3a0f6

    • SSDEEP

      196608:p5zwSv9AAyse6liXUxCGZHa93Whlw6ZCXU0:pyKlysTliXUxCGZHa93Whlw6ZCX1

    Score
    3/10
    • Target

      Korepi/libEGL.dll

    • Size

      375KB

    • MD5

      51cc9f3891cfe33e095f901c8e5f121d

    • SHA1

      03ac95d250969e65a3ede7a29c3e5425ccdd9fe1

    • SHA256

      961aff31cab097ebb973a32140c4f87c415734412771cf1fdfe24ddc675b54c2

    • SHA512

      3351898af8c75afa8df3f300416bc9d40f4ead90ea947876140ec54a015fafd149427a9dfb5b7c8239ae229839edd786561a5a73ffe37f29758946fd18730039

    • SSDEEP

      6144:5tp6qTYU1a4FPLg8Z166+6FKkHmIMTPSZMP:pvTnRm8Z161WGXPSZ

    Score
    1/10
    • Target

      Korepi/libGLESv2.dll

    • Size

      6.4MB

    • MD5

      fb74e837a2ebbf59afeb09106644a9ab

    • SHA1

      55225fcc692aa332f698960c3dc1140d791d1fa1

    • SHA256

      e6ab5fc601d0d230c989d2f481b37c259a0a1fffb7fb841b7099a5e966f0088a

    • SHA512

      585e464de076d6d2560288fe9430004430effb0599134bfb30fabb7bad3cdccff9458d21d17f580823a308cd6472f36d1f1ce6a04e568ba6dcca2e68fd39d63f

    • SSDEEP

      196608:2NtQrp20oWAyqiq9RcMDBtC3rS4+4aJs4t:2NtQrp2uAypq0MDBtg1EJ

    Score
    3/10
    • Target

      Korepi/system.yaml

    • Size

      16KB

    • MD5

      95a33bcd75c74597962b4d3adf2620b7

    • SHA1

      2522e73650d2105cf07f4609c3f5ca4a01504434

    • SHA256

      8f7b7fdd740bf8d5b7c30984e76e45cbfdaa18ba9b5a1ed6d5a2287630a27da0

    • SHA512

      7dc1fe7ca9e3a5f1d337ee8935cb5c1482fa30cd9dad722ceca229bd45963d7c27dc980c4d4543d2fcf4aafa3d77140c7600d15925c4466c8cff5f92af0a6cc5

    • SSDEEP

      384:gaNYrjNYLhNYbnNY5qANYdINYdhNYxgNY9zNYxmQNYjwle9NYLP2pE:k

    Score
    3/10
    • Target

      Korepi/systemlibegl.pdb

    • Size

      859KB

    • MD5

      a94625694cb03f4d65d29d03d81a26d9

    • SHA1

      d64d366da9e9f9c6ea9227b67f48c078e1b860f0

    • SHA256

      e7e2f44e3eecd370607270bf468c863730a59f9a476a76092019d7457d2970ed

    • SHA512

      8bf9456d2c0e145da6a4de3e325f176b47076d7b4669583eefa0435ed0180975be67d106524f75105a9f864e2fffc9a8b3ad57ee6a93ba3c999106ea12a9387c

    • SSDEEP

      6144:OITx2IE9/00FgHGshz1yiTWkKZ4gQWbt1NpfJXz3z0XWbVJXz3zE:nogR8o27NpfFB

    Score
    3/10
    • Target

      Korepi/vgrl.dll

    • Size

      3.4MB

    • MD5

      15620a9f1936c028377523116e657b82

    • SHA1

      be2d28d85af3c0e98884b6874f4668d361caf7c4

    • SHA256

      786499d901e9b4f7d5f5d00847fd09ee6ddfebe7ef824c53b49e569a670d6e28

    • SHA512

      1ae0c54dd997aeb9d95a5f78be98ebf66a022545ec6e61422fd8c754030ffec0485aabf3ffa7b9ca9feb7c6f638cde94c7335d56a17d9eb9fea2c179f2326f9a

    • SSDEEP

      98304:LKdCMlrcK9LLB9h9qVh8jhYY5BFtvhxijrvGPSo:mdLlrfdh9qVhk5BFv8r+PN

    Score
    1/10
    • Target

      Korepi/vivoxsdk.dll

    • Size

      10.6MB

    • MD5

      49c587d64530b5a31b246c791643abe5

    • SHA1

      fb5afe2fe639f7b9d05d36b258c64fe20b1d1f19

    • SHA256

      6f6b8cdf286f7f1aec5245834fb8a8afcd6f9c764a6988b1b738df828fea2c89

    • SHA512

      90775234fa17f192445bde2b106e7ba7158ddc6e000400b9cb1fd0b095a2210e97d17b15d9ca398062d51eeac820536492da993172aa40d32306aa4aafe86666

    • SSDEEP

      196608:ETXSBFCzbnyZnn5QiIfAnXYmgLyGR6FuvFaEWmys2LRVfrgt4fKIo4McwOJI/:ErSBwzbnyZTeAnIlLyZGP2TTgXIoHrx/

    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks