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Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    22/09/2023, 22:53

General

  • Target

    c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe

  • Size

    520KB

  • MD5

    3b4fa16b085177077129ee22d946fa7a

  • SHA1

    007a18f9d487149ec5316cdddf647c009a1848a2

  • SHA256

    c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f

  • SHA512

    43afc7734c26cb06f6200749b34f59c6c96d38fd0b4f653db490bd272a3c48e5ba9556761cca31ab57daa0751f508773465dfa4b744c9a1a6fde99e7cf5c9538

  • SSDEEP

    12288:C7+ONcKAEJ6RLtx4c8PF39A55nJTuxGfqseVF+J92QpCgGy9RTPq6xy3NhYhYUnB:C7rNcKAEJ6Rpx4c8PF39A55nJMGfqse0

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1272
      • C:\Users\Admin\AppData\Local\Temp\c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe
        "C:\Users\Admin\AppData\Local\Temp\c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2132
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a35D0.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2824
          • C:\Users\Admin\AppData\Local\Temp\c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe
            "C:\Users\Admin\AppData\Local\Temp\c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe"
            4⤵
            • Executes dropped EXE
            PID:2892
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2044
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2708
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2620

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe

        Filesize

        251KB

        MD5

        ba24806644570741313b60a09c27cba4

        SHA1

        6ba98bc1253d61cd0afbabf608f325dd4dcf2c92

        SHA256

        43c20e101fcd473b95cec7572e809aba2ec299255fe07092af4274e6333f15f9

        SHA512

        1c3fde6176fadb0dc8c530957eca2f346498988d709c06647c0243aafa8f7b65652d729991a9b8d803901825c54387407957de9f6e2e560832888abf2efb80cf

      • C:\ProgramData\Package Cache\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\vcredist_x64.exe

        Filesize

        471KB

        MD5

        4cfdb20b04aa239d6f9e83084d5d0a77

        SHA1

        f22863e04cc1fd4435f785993ede165bd8245ac6

        SHA256

        30ed17ca6ae530e8bf002bcef6048f94dba4b3b10252308147031f5c86ace1b9

        SHA512

        35b4c2f68a7caa45f2bb14b168947e06831f358e191478a6659b49f30ca6f538dc910fe6067448d5d8af4cb8558825d70f94d4bd67709aee414b2be37d49be86

      • C:\Users\Admin\AppData\Local\Temp\$$a35D0.bat

        Filesize

        722B

        MD5

        99ab09323585a427f5f38dc5faf78f24

        SHA1

        1502bff9a4af37eb84a56402f73d869bdeed6e6b

        SHA256

        25fd57a83d21f25d944341e500b649c4bce4fd933763b5b1a102f6844a878ca6

        SHA512

        a5599a3b8ab8778067c9790af0af47d9d4f5128faf70d61c0d69d2356b3cafc2c778dbc46d6d09490fa03b8ecb8f3e4833233277aa1a5fe90364c8cd765ed35b

      • C:\Users\Admin\AppData\Local\Temp\$$a35D0.bat

        Filesize

        722B

        MD5

        99ab09323585a427f5f38dc5faf78f24

        SHA1

        1502bff9a4af37eb84a56402f73d869bdeed6e6b

        SHA256

        25fd57a83d21f25d944341e500b649c4bce4fd933763b5b1a102f6844a878ca6

        SHA512

        a5599a3b8ab8778067c9790af0af47d9d4f5128faf70d61c0d69d2356b3cafc2c778dbc46d6d09490fa03b8ecb8f3e4833233277aa1a5fe90364c8cd765ed35b

      • C:\Users\Admin\AppData\Local\Temp\c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe

        Filesize

        494KB

        MD5

        23820da01dedb3c8ba968cef45e80587

        SHA1

        68a4c2d2443f6dbbcb547c6da3eae63a45015f64

        SHA256

        290be7cb3c5407af314885ce1adfcf4c4c22284ebbc55a5e0b261bd60f613fa8

        SHA512

        8c826a9099c74fdc03ce76994bca9cbc911295f0723a2cb1f1104e8886bd37626594e2d318a128bd34545ddafc336211917f210f0a3abb19bb63b69b6c9528fa

      • C:\Users\Admin\AppData\Local\Temp\c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe.exe

        Filesize

        494KB

        MD5

        23820da01dedb3c8ba968cef45e80587

        SHA1

        68a4c2d2443f6dbbcb547c6da3eae63a45015f64

        SHA256

        290be7cb3c5407af314885ce1adfcf4c4c22284ebbc55a5e0b261bd60f613fa8

        SHA512

        8c826a9099c74fdc03ce76994bca9cbc911295f0723a2cb1f1104e8886bd37626594e2d318a128bd34545ddafc336211917f210f0a3abb19bb63b69b6c9528fa

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        1b31452e45df5fba0beb2d59bf0928ba

        SHA1

        1dd2c6fcd39ef7a34542e140184267edbd32b9c2

        SHA256

        f6a58e3558b09e60f9df209b4f8e707fdba599dce13651fb6beb07c3d70058bd

        SHA512

        2811492a404084570405f4b2d728501b6e508f98926f6e6fb042260dfd5f5420344e8dfb33449dd887d18f14faea65c1d2793f0377b6e96bfe89ec4e28f5ab12

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        1b31452e45df5fba0beb2d59bf0928ba

        SHA1

        1dd2c6fcd39ef7a34542e140184267edbd32b9c2

        SHA256

        f6a58e3558b09e60f9df209b4f8e707fdba599dce13651fb6beb07c3d70058bd

        SHA512

        2811492a404084570405f4b2d728501b6e508f98926f6e6fb042260dfd5f5420344e8dfb33449dd887d18f14faea65c1d2793f0377b6e96bfe89ec4e28f5ab12

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        1b31452e45df5fba0beb2d59bf0928ba

        SHA1

        1dd2c6fcd39ef7a34542e140184267edbd32b9c2

        SHA256

        f6a58e3558b09e60f9df209b4f8e707fdba599dce13651fb6beb07c3d70058bd

        SHA512

        2811492a404084570405f4b2d728501b6e508f98926f6e6fb042260dfd5f5420344e8dfb33449dd887d18f14faea65c1d2793f0377b6e96bfe89ec4e28f5ab12

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        1b31452e45df5fba0beb2d59bf0928ba

        SHA1

        1dd2c6fcd39ef7a34542e140184267edbd32b9c2

        SHA256

        f6a58e3558b09e60f9df209b4f8e707fdba599dce13651fb6beb07c3d70058bd

        SHA512

        2811492a404084570405f4b2d728501b6e508f98926f6e6fb042260dfd5f5420344e8dfb33449dd887d18f14faea65c1d2793f0377b6e96bfe89ec4e28f5ab12

      • F:\$RECYCLE.BIN\S-1-5-21-3849525425-30183055-657688904-1000\_desktop.ini

        Filesize

        9B

        MD5

        dff4f6f0cc6b8b3bb8efb4a275a8f779

        SHA1

        e87d0f214e09712ed6d4d73e571edb2c1b140327

        SHA256

        34eaeafe313f318504cabbbdf6a150f2928ed89c13a836126478f56c6904cd20

        SHA512

        1a534267509c4dd7c0421a5460ea7b3d58e05ba1343c2f45ca6ca537ff5259f1fae31c68928acba3492875ba270242f41c43ed5d705d31cf9af5a56ca4edd0e0

      • \Users\Admin\AppData\Local\Temp\c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe

        Filesize

        494KB

        MD5

        23820da01dedb3c8ba968cef45e80587

        SHA1

        68a4c2d2443f6dbbcb547c6da3eae63a45015f64

        SHA256

        290be7cb3c5407af314885ce1adfcf4c4c22284ebbc55a5e0b261bd60f613fa8

        SHA512

        8c826a9099c74fdc03ce76994bca9cbc911295f0723a2cb1f1104e8886bd37626594e2d318a128bd34545ddafc336211917f210f0a3abb19bb63b69b6c9528fa

      • \Users\Admin\AppData\Local\Temp\c0d8f297150cac9de63a961e8fdf8c2410d1d412ceadb47082d9ea66c33c489f.exe

        Filesize

        494KB

        MD5

        23820da01dedb3c8ba968cef45e80587

        SHA1

        68a4c2d2443f6dbbcb547c6da3eae63a45015f64

        SHA256

        290be7cb3c5407af314885ce1adfcf4c4c22284ebbc55a5e0b261bd60f613fa8

        SHA512

        8c826a9099c74fdc03ce76994bca9cbc911295f0723a2cb1f1104e8886bd37626594e2d318a128bd34545ddafc336211917f210f0a3abb19bb63b69b6c9528fa

      • memory/1272-30-0x0000000002620000-0x0000000002621000-memory.dmp

        Filesize

        4KB

      • memory/2044-146-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-49-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-97-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-107-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-1862-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2044-3324-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2132-16-0x0000000000440000-0x0000000000474000-memory.dmp

        Filesize

        208KB

      • memory/2132-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2132-18-0x0000000000440000-0x0000000000474000-memory.dmp

        Filesize

        208KB

      • memory/2132-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2892-34-0x0000000000400000-0x000000000047C000-memory.dmp

        Filesize

        496KB