Analysis

  • max time kernel
    243s
  • max time network
    285s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 01:12

General

  • Target

    23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe

  • Size

    765KB

  • MD5

    1d3cef21a6de0f25b68e036f6668f485

  • SHA1

    1d486312343806006f3b7150cdb912ca4e6c212a

  • SHA256

    23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c

  • SHA512

    010c9e93e4fcf9db5bbbaaede358a4643e4d125be2374bc6eacceb4dca2068a303dbb43e8ad5c3f4ed1bf6816a7105398d041202cfee4257362b5ce1d472b662

  • SSDEEP

    12288:C7+6FICuICWaK+iYMWcHHlhXlga3gbsD9nofaNydMAYe:C7V6v9iYMHFhVbgbETy6s

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:1300
      • C:\Users\Admin\AppData\Local\Temp\23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe
        "C:\Users\Admin\AppData\Local\Temp\23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:3048
        • 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:2712
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2684
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2788
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$a3A81.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2724
            • C:\Users\Admin\AppData\Local\Temp\23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe
              "C:\Users\Admin\AppData\Local\Temp\23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe"
              4⤵
              • Executes dropped EXE
              PID:2368

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\$$a3A81.bat

        Filesize

        722B

        MD5

        3821a8339e994a12ef0490050d6eb8aa

        SHA1

        2bb55d653d0eb94bfb26367f8b5e392fc143c061

        SHA256

        51867da459a41e357b1b1bba29ae87c68ea5b15e8f66dd65194eaf233f821b97

        SHA512

        92d9c951fcf39e8be68b8e255fb79bd1aa866303540752feb8a8491ff013cb76a7b3ff665b8abed56498e7330f7470cf2968547108e54e0ae1cd2ccfadbc10be

      • C:\Users\Admin\AppData\Local\Temp\$$a3A81.bat

        Filesize

        722B

        MD5

        3821a8339e994a12ef0490050d6eb8aa

        SHA1

        2bb55d653d0eb94bfb26367f8b5e392fc143c061

        SHA256

        51867da459a41e357b1b1bba29ae87c68ea5b15e8f66dd65194eaf233f821b97

        SHA512

        92d9c951fcf39e8be68b8e255fb79bd1aa866303540752feb8a8491ff013cb76a7b3ff665b8abed56498e7330f7470cf2968547108e54e0ae1cd2ccfadbc10be

      • C:\Users\Admin\AppData\Local\Temp\23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe

        Filesize

        739KB

        MD5

        7bb4069d375f5319909637e4a533fa51

        SHA1

        1df98286f33cc32695d92ce7f2177d46344b90df

        SHA256

        f2b06c5e66586c24e406c218a529656bc117b1fddb1947719e4c1f729090370b

        SHA512

        2809875bb28021ccbdb5e090a88794c2ee9fad5d2cedc80892edee1e9cb19f9b7d22250e65c78149b5a9bd534080e73ac9b7c99406454719484a284409b81b3d

      • C:\Users\Admin\AppData\Local\Temp\23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe.exe

        Filesize

        739KB

        MD5

        7bb4069d375f5319909637e4a533fa51

        SHA1

        1df98286f33cc32695d92ce7f2177d46344b90df

        SHA256

        f2b06c5e66586c24e406c218a529656bc117b1fddb1947719e4c1f729090370b

        SHA512

        2809875bb28021ccbdb5e090a88794c2ee9fad5d2cedc80892edee1e9cb19f9b7d22250e65c78149b5a9bd534080e73ac9b7c99406454719484a284409b81b3d

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        df539598cb788ec692b681b7daeae7a5

        SHA1

        97d7641e81c39be17bb61d06b3dd681cb3610461

        SHA256

        490673d10696887de5bee92453e384cd8ee8007a9e7327f24a497a750182b00a

        SHA512

        8be252c7c9427fa9871861b1c37d6c2d42f25d4df3612ec5b00f2542918c56b66a1f326ffd19523b34bdef2b8dcbacdfc50b5a88e106a780cf77b4450e4bc7d5

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        df539598cb788ec692b681b7daeae7a5

        SHA1

        97d7641e81c39be17bb61d06b3dd681cb3610461

        SHA256

        490673d10696887de5bee92453e384cd8ee8007a9e7327f24a497a750182b00a

        SHA512

        8be252c7c9427fa9871861b1c37d6c2d42f25d4df3612ec5b00f2542918c56b66a1f326ffd19523b34bdef2b8dcbacdfc50b5a88e106a780cf77b4450e4bc7d5

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        df539598cb788ec692b681b7daeae7a5

        SHA1

        97d7641e81c39be17bb61d06b3dd681cb3610461

        SHA256

        490673d10696887de5bee92453e384cd8ee8007a9e7327f24a497a750182b00a

        SHA512

        8be252c7c9427fa9871861b1c37d6c2d42f25d4df3612ec5b00f2542918c56b66a1f326ffd19523b34bdef2b8dcbacdfc50b5a88e106a780cf77b4450e4bc7d5

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        df539598cb788ec692b681b7daeae7a5

        SHA1

        97d7641e81c39be17bb61d06b3dd681cb3610461

        SHA256

        490673d10696887de5bee92453e384cd8ee8007a9e7327f24a497a750182b00a

        SHA512

        8be252c7c9427fa9871861b1c37d6c2d42f25d4df3612ec5b00f2542918c56b66a1f326ffd19523b34bdef2b8dcbacdfc50b5a88e106a780cf77b4450e4bc7d5

      • F:\$RECYCLE.BIN\S-1-5-21-3750544865-3773649541-1858556521-1000\_desktop.ini

        Filesize

        10B

        MD5

        b00c1a89b15effd3d1fb2de4fdc7bee5

        SHA1

        0c3a4f06bcd397d1d3a63ab2ca05e64cc7ae554d

        SHA256

        0767fccea7e57d6427b0a9b440f28687f4b835409c5dcdeb337a479009222cd9

        SHA512

        b50a3c1df331ecd7dbbd88c202c7b7b8fe6ece8df96249d88f40138952fb3c523f6f133a2d12daa2fd892643b53e4c19b39bcb16ef810f789c996e00bad03bc0

      • \Users\Admin\AppData\Local\Temp\23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe

        Filesize

        739KB

        MD5

        7bb4069d375f5319909637e4a533fa51

        SHA1

        1df98286f33cc32695d92ce7f2177d46344b90df

        SHA256

        f2b06c5e66586c24e406c218a529656bc117b1fddb1947719e4c1f729090370b

        SHA512

        2809875bb28021ccbdb5e090a88794c2ee9fad5d2cedc80892edee1e9cb19f9b7d22250e65c78149b5a9bd534080e73ac9b7c99406454719484a284409b81b3d

      • \Users\Admin\AppData\Local\Temp\23d750c1617ea8230783e849bb5873d18a8303843c55e61861132a7a7b43358c.exe

        Filesize

        739KB

        MD5

        7bb4069d375f5319909637e4a533fa51

        SHA1

        1df98286f33cc32695d92ce7f2177d46344b90df

        SHA256

        f2b06c5e66586c24e406c218a529656bc117b1fddb1947719e4c1f729090370b

        SHA512

        2809875bb28021ccbdb5e090a88794c2ee9fad5d2cedc80892edee1e9cb19f9b7d22250e65c78149b5a9bd534080e73ac9b7c99406454719484a284409b81b3d

      • memory/1300-35-0x00000000021F0000-0x00000000021F1000-memory.dmp

        Filesize

        4KB

      • memory/2368-31-0x0000000000400000-0x00000000004BD000-memory.dmp

        Filesize

        756KB

      • memory/2368-50-0x0000000000400000-0x00000000004BD000-memory.dmp

        Filesize

        756KB

      • memory/2368-32-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/2712-30-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-51-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-57-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-103-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-107-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-110-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-1116-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-1731-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2712-1772-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3048-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3048-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3048-16-0x0000000000440000-0x0000000000474000-memory.dmp

        Filesize

        208KB