Analysis

  • max time kernel
    147s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 13:27

General

  • Target

    21b5cb46d6ed1f3501a31296aff7711a.exe

  • Size

    523KB

  • MD5

    21b5cb46d6ed1f3501a31296aff7711a

  • SHA1

    bb40a778930e08c4a28b5e7eb635c4b71ec5325b

  • SHA256

    1214c7877e11ff7d8c2f83be5a14218cc23fa40f3747b7cef39ec58fcdb75491

  • SHA512

    c12ae4c4ea5110ba5373d5b734206836139df2377eccf814ee4be4ba173a6cec8711f2036f63ce84ae58d9885fe453ced2b7bbf9eb3f5d6c983124466a854472

  • SSDEEP

    12288:v4mkrLWcXdcWqAERfKu3xAT6R7H1u7HtlJZghX5fCb4xQ03v9:wjrZdckE5KKxAT6R7oNl4Cb4xQ0/9

Score
8/10

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21b5cb46d6ed1f3501a31296aff7711a.exe
    "C:\Users\Admin\AppData\Local\Temp\21b5cb46d6ed1f3501a31296aff7711a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\21b5cb46d6ed1f3501a31296aff7711a.exe
      "C:\Users\Admin\AppData\Local\Temp\21b5cb46d6ed1f3501a31296aff7711a.exe" '5?gæ¯
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1944
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1344
    • C:\Users\Admin\AppData\Local\Temp\21b5cb46d6ed1f3501a31296aff7711a.exe
      C:\Users\Admin\AppData\Local\Temp\21b5cb46d6ed1f3501a31296aff7711a.exe
      1⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Users\Admin\AppData\Local\Temp\1.exe
        "C:\Users\Admin\AppData\Local\Temp\1.exe" 0
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
            PID:1028

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              73aff624dbacccc51a8e6e1d877026f9

              SHA1

              5d49bae565bb2654db3846679c585bc9e211a9eb

              SHA256

              e146adde956eb28550b6fde58e94d5a1c8561b996778c31c852ab7445082f773

              SHA512

              ffe40d06e23fdab84168a1aba524d66f3ac3df4347301b206b22ff7c09886dcce4a0e1dc27292889ed00a5d44dcf20e9ca2853c4cd1573b3fa712168e536b696

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              f3af54a8bfa863ea186dd06348ebda79

              SHA1

              6d43e689e2918c7628be28f09f6c0edf6b1c0300

              SHA256

              370b9c0efddb500fac99c3f30675302356480abc7d9a84798e19998dc8a67130

              SHA512

              d676f7a2ac21a13d98488ebb8aadec584edb845596f2699d399375640501bb3736305d5514ef2cfd11185231119f076a646fff71281019c757dffb015a51c2bc

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              2c46d1155fe2a4021c414bbb1c65a2d6

              SHA1

              867cde4ef70e23ae3d1d9e5e91b68cf0cc408e2a

              SHA256

              bdc4a8d046844a9ab40efed7453f945456ec2cc8d9311a49b826e88aa6b5edbf

              SHA512

              f7887b513697e9b2cea7b715a93b2800d6fea01554f3df6ae00a0784f2bf772f7346e7c96b5e8e0b030782ad6f7867983b68903b6fc75d9f9e86a81743ec8771

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              2c40e8a2b21aa615cbb45c9aa3ad1d8c

              SHA1

              9e95f587ec9d9834c38822b894250077969790bc

              SHA256

              2efddcd1d3155e44ec14eba10fcfabbc618de882af200f84880751572f250440

              SHA512

              7c50c28f91095bc161162a684c64ad794dc82f0644b1c103b4a37734b9fa5e3d7a6fa0ff6a241652397dc9bb17561a1ae2d729a1284b28105d17f66afd0e7441

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              b9b1d723c471aee1dc7ef51c2f880891

              SHA1

              13e8452c3ca8c285f1a0b3f6c4f199ac24315a0d

              SHA256

              baf2c11955b743a4bb0161d40d32e27c70afe065aedb1248551df80ad45a3d35

              SHA512

              87078b097859cd99aecd20df167cc3e95b44a55a070e7f91806c85022a1278877b728ee64561b3ec9d08de211bdafdb49194f01bd3cca3b7ff186c3bd7c0d7b1

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              4222e4e0a1c288ed83b0981ea4ed3a27

              SHA1

              c702590e2dbb5d41c4d427a597e8da05f701e879

              SHA256

              88e96bc6992508a618715be57b38af7b092de6d0786933d4bf5a8cee11ce3204

              SHA512

              d533e70baf28673b6f12f357b81417699a8b695b1042112ba49f78425b538fbeb4e3011dd5e53387cdb4887a4ba1afd59d39e7d213c8277d73c120b0c7dae1cc

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              f9cddf5f3c662b452a0b9216d8613573

              SHA1

              19a2cd1d514ea51e68991f9c34fc2ab65875b853

              SHA256

              630857fc03874788aadcc46dd8c4a4f76b2c4b499ec752112977cbe01bc9ed5e

              SHA512

              9118591d4e0ba6acd494e3c953afe65e49c60e836930e6e3324162e916bebf3bc5c1dd63868cfb02f663cae56107298e70c99a64afa077e3dad0c6e2c7665de0

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              d81eb1b0bf350531c244f82fe5325325

              SHA1

              ea4096c68099ef338da74e513919abf869105713

              SHA256

              caf6b16974efed2eaae02a4ad5a9c95fda4b7b5e4373984fe9f0e145b44611eb

              SHA512

              323830daae8ccd511fe2589592316200fff065ae58c20feab7528fa11a05e70a2f651de673db442ae426045cc72d3aa6f5e399844e172e54de0a5908c8612641

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              075b0b117bf63a64b4722a88b6d4a392

              SHA1

              0609850df4853e76917372ff9b12acb8c72c0a97

              SHA256

              c111b4ca113e898a3c85eec6248ff9e9619e61c7b3c67eae7e7ea30579dc6955

              SHA512

              ea426f322ff3396a40d5883b4ce4460401ed6876dde16b76aad69acf706542bd032893fe8b35ab126419e19f7ede0cd431abe0c0c8c5eb5269d9f39f8ffc84f9

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              4b8f291e85687398dedea24b521bf353

              SHA1

              4360208fef3d6126ba9512d50cde7ff36cf3f776

              SHA256

              0f5753905e20b6a5f1d09180bd497c9f9e8a9b15ae982d77a91c33bf9b9e7077

              SHA512

              815dc0ac8ef3b136615a346a780841c820ead0fb6034886f9d5a7fe68b19663a1eeb668e3d0e214b6a24d53e3042c1df883a54d9724a9fb1eab65f88139de57f

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              72dcef2869485c032be48d4dd1fcf94a

              SHA1

              764fa4659ba042e46a9f51a8183e81c5dfc3bd62

              SHA256

              2e100799efda91fc5d7a211abea8534739dc11e0ed510a2c09f205bd0034ec57

              SHA512

              b44b9876382bb0c376d5d2b9ee8b9a1371bb0386efc46fce4fcf7ec5f6e7b64c1c6b2880ee2ff15a9168ef628d2cba7bb8157021e556a8f8ee7c9d95bcf38fb0

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              6e9c7b0a6acbac9f983b205d80c99730

              SHA1

              39768af5511be6cdc49f3e1690298602d365ac67

              SHA256

              2ed61806ed38c6ee781481c8e880b223f2997bb1e5c1d8ebe6acc0dc1738fbf8

              SHA512

              378923ed4babe6f6cbcd1bee4e7231ccda0186e8445f0fec0bc3583c74158be87af36509a93f49cb07088fd4794bcf2a07d5c7d1971f3e3bd4f870acb937693b

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              6c8f08cacfa748f3f1f6f453b690cca8

              SHA1

              b6568ec1d69af990dcb88ce1dac452401aa21da9

              SHA256

              ee34637318f95f5abbe88f3790171d7974bb4411e554f37b43e6f9012144fdd8

              SHA512

              9b55a5a395107ea664181c63a0f0ac841b8e3e52caddb80c3493228322c7a1569f58afae4342f50dff441e00c189b453d37473ba42223d0a00eeeadfb1af6cd2

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              7502d4d44d9bd8a4d1e9dc97dedd6125

              SHA1

              24907af861a568724f15040dca156c03a6a50e91

              SHA256

              8c0d59422c9ce7fff90dee8a84a7c035b4a31c28a398a9af9723d1d194d804d9

              SHA512

              64f0a195a6d0730446087597fe20e14f61257e1d3c24f382f8d051df88d82ce228acc1dd3c897ddb9abb36cbd0630b51524a59db0886c804701730430cca9033

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              fdfc716079bc83c77ef126006c66a073

              SHA1

              a270e1431ab7e3cccd1e45ee1b372ee4284e1d6d

              SHA256

              a02f0216e50c0a7cae8ad9914ad2df6d61febe51e3c8cf066b9cc9518250482a

              SHA512

              d91858751c0650cacb5d8b0f63e104fc0df5acaa149b7b14548aecc2cd216501b2c2a483042a068e2e85e88c6bb5dcd05033e1a25a3f5a0d7dbaf07f26d57774

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              b091d2b989f7e913a2d4f97ede109a77

              SHA1

              a8a0f322ddcc83e7316001d07f4eb7a3a97ac7dd

              SHA256

              7abd39f89a808a6bdae0502f9546130f2fba787c67c3c8ca07d00329c296246f

              SHA512

              7f21063dfb52a0087202d6507eaf3c9e3e68d6dfc1c71445ecf504b7cea4cc125a43ba33cfc9c9647ffb589864f0f7504e7743df41ad68c808584ff78f1d1e48

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              5e31181d3851dede16806697a2dbad27

              SHA1

              5d581352036a49eaf8d0489ee9111072e6ab86e6

              SHA256

              2cfbb766653ee19a387fddbe8eb2ed75fe2e57806fc7e2675ff606992eb6b775

              SHA512

              04fb3b30e260fbdf6099c4d4693e5d8508699f932ea8dd470f66332743aa5ec8cdb425b832233cd85dd047aaafadf59c46cc34dc95e479825db3cc492121ee04

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              f68620b3e2e2ebb92c36bdb6105e4e55

              SHA1

              a878a7d7c1998a8fa1e97b39798aaf93b0d96e41

              SHA256

              54b698dc0a140e4d6baa3b701c07747c4d364f521613a519f120c1b0c8ea90a4

              SHA512

              5662b95e7cc2a6fd552cae0cab235567333551f295f48cf135a5848e79abcf4a40115c99ef522f31a99c63048fade9c6747efef5fa199df1bab7ac82c5f6765e

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              89a022991e92cada17501cba708a82fe

              SHA1

              ff63d1d5f7810c33dc16afcdf9353f40b57ae846

              SHA256

              99c2826eeeb13152155c55afb7c897de3150ca2b05a0dccc0eb2935005b2e6b2

              SHA512

              d43ff5c22b2ef70031f6878f5a85450754413ec2df399382b7bd28cbf48525a19f8a292da98a77a56f586f1019e5af6c0a6f92df2f0696f2691a5d48c09e44dd

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              ca042da6a605fd527abc48648c639d97

              SHA1

              4661521625d8358f0f084fa12e64c3dc6d8a68cd

              SHA256

              c7ce8d3aa67f653aa6b7685e02767812bdf77cf06a230c88ed5a9a9aafa941b4

              SHA512

              110542f98bd74d912826932a518536f47d9a6c0f1cb1be4e32fd733be5b249e76810d8836a4b30447ec38d09db0e20752b59ca7ff4a25d449366e5be90188e48

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              29995449b4f023d0b5a0ecf1173b8877

              SHA1

              d7dd790017872bbcc03c61b448789ffc5cfd68db

              SHA256

              f36566ac7f69eb3a89b22381c401ecddf1713c5fd9cd3906cea90508df557991

              SHA512

              4a15b4d1722a8ab2f8087f5d9a01565cc3ba004323b8b02158521948f453d7d11407c5556d8fab26c4dcb3410f5433c1880dc731f4440252173ed3898de12792

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              be09b79c2844ab6f0fe0965a2aae9372

              SHA1

              80494c8bcdc2f9a39884568b1eb6505573fd3cea

              SHA256

              e979c9eb24f46a57571cebb830d64207538163409a68b33c07f143c6a1e290d0

              SHA512

              9d0c947061e55a8ef5ee0805b11083f6865454f245aa49ed15cea9af3f6760a40646e5cbb465a108510aa428127aaf06f29e502722b23477dc75d2582441e923

            • C:\Users\Admin\AppData\Local\Temp\Admin7

              Filesize

              8B

              MD5

              2f4662bba53b866954aade0e190a1993

              SHA1

              74ff1fae26beb5daf6908cd84f64891e08fae404

              SHA256

              23b4236dfd6d3769a872f15a9a65b10ae520115e36a2ee979adb2e515c7992fb

              SHA512

              49846bc99ca6849988abd45639cec76db730e4306b42cd077450af114fa862c346f916070fa6813f16338b5127f13b4500cd3414334c36bd406268fe74a995b8

            • memory/1028-555-0x0000000010490000-0x0000000010502000-memory.dmp

              Filesize

              456KB

            • memory/1028-355-0x00000000000E0000-0x00000000000E1000-memory.dmp

              Filesize

              4KB

            • memory/1028-266-0x00000000000A0000-0x00000000000A1000-memory.dmp

              Filesize

              4KB

            • memory/1028-1827-0x0000000010490000-0x0000000010502000-memory.dmp

              Filesize

              456KB

            • memory/1344-23-0x0000000002EC0000-0x0000000002EC1000-memory.dmp

              Filesize

              4KB

            • memory/1944-5-0x0000000000400000-0x000000000047E000-memory.dmp

              Filesize

              504KB

            • memory/1944-4-0x0000000000400000-0x000000000047E000-memory.dmp

              Filesize

              504KB

            • memory/1944-0-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2952-8-0x0000000000400000-0x0000000000474000-memory.dmp

              Filesize

              464KB

            • memory/2952-18-0x0000000000400000-0x0000000000474000-memory.dmp

              Filesize

              464KB