Analysis

  • max time kernel
    151s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 15:33

General

  • Target

    43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe

  • Size

    73KB

  • MD5

    65354a3e3647edf1c9a623d24e1120d9

  • SHA1

    594da9e26d775ee874fb1431728bc226d81fdf20

  • SHA256

    43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653

  • SHA512

    4d880146246f282a0ef61a37b4c70909c5e37e22031046ac395391161f51433573885dd5bc0745a2b325ba306f53ef0da4e01ff81ca83a6e5e936793fef1eca1

  • SSDEEP

    1536:UIkfgLdQAQfwt7FZJ92BspuuS2nnggOT/AH2pakpeOInUqUKSHaeK:UIkftffepVPpuuLXUy2pJIOInUqU6F

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 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
  • Program crash 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe
        "C:\Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a4644.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1240
          • C:\Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe
            "C:\Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2628
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 212
              5⤵
              • Loads dropped DLL
              • Program crash
              PID:1204
        • 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:2152
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2748
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2724

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\$$a4644.bat

        Filesize

        722B

        MD5

        d51bc0f40162002ae5d20d297c4cfdb8

        SHA1

        afe839f7b5638d7ed0c062a5f2a2e4f9c0af928a

        SHA256

        ca6ebc124ab82490c59b343f371fba33317c85dc6e2d4b1d1597c88771bbac6c

        SHA512

        6f7d9abcd1e98c1221535397a5dfcef523d1999faff64f0367df9c7df35ec324546258be9b7f868d7d19e4c1e39c26937dd50a4f2909169976c43be56fb960c6

      • C:\Users\Admin\AppData\Local\Temp\$$a4644.bat

        Filesize

        722B

        MD5

        d51bc0f40162002ae5d20d297c4cfdb8

        SHA1

        afe839f7b5638d7ed0c062a5f2a2e4f9c0af928a

        SHA256

        ca6ebc124ab82490c59b343f371fba33317c85dc6e2d4b1d1597c88771bbac6c

        SHA512

        6f7d9abcd1e98c1221535397a5dfcef523d1999faff64f0367df9c7df35ec324546258be9b7f868d7d19e4c1e39c26937dd50a4f2909169976c43be56fb960c6

      • C:\Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe

        Filesize

        47KB

        MD5

        493b286f0c41fcc9a44cb2b6a94f6fef

        SHA1

        2e4a742f01acc2cee315e31a64b176d892ef0022

        SHA256

        993d2b2fa72dadc7753c62b39d0d35ef1586f00f2eed60eb729057142ad76b4a

        SHA512

        9f74f38acdb47bc03642631252176f61464d9fbded6aa574af200ff5e436d7d56724548e27470413624842db11760464c376f19c76647388de7ead4c1c838167

      • C:\Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe.exe

        Filesize

        47KB

        MD5

        493b286f0c41fcc9a44cb2b6a94f6fef

        SHA1

        2e4a742f01acc2cee315e31a64b176d892ef0022

        SHA256

        993d2b2fa72dadc7753c62b39d0d35ef1586f00f2eed60eb729057142ad76b4a

        SHA512

        9f74f38acdb47bc03642631252176f61464d9fbded6aa574af200ff5e436d7d56724548e27470413624842db11760464c376f19c76647388de7ead4c1c838167

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        ac3f009050ca5bee947e9c3639175aa0

        SHA1

        ac3239e5d89830b89396d120fd4fa496cf5f74ad

        SHA256

        b5437c7559753b61c4a2af8e4fb7a0ab08386babbcfd3ca17d66260488ccb580

        SHA512

        f785d66eaf14a73bfc29edb407e623dce0da22e6d4e72b234daf4da659e1e151333e0b048a362495f1f1faf3c3a079f73a439d8d7760d077cbaf0ab4657a3ad8

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        ac3f009050ca5bee947e9c3639175aa0

        SHA1

        ac3239e5d89830b89396d120fd4fa496cf5f74ad

        SHA256

        b5437c7559753b61c4a2af8e4fb7a0ab08386babbcfd3ca17d66260488ccb580

        SHA512

        f785d66eaf14a73bfc29edb407e623dce0da22e6d4e72b234daf4da659e1e151333e0b048a362495f1f1faf3c3a079f73a439d8d7760d077cbaf0ab4657a3ad8

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        ac3f009050ca5bee947e9c3639175aa0

        SHA1

        ac3239e5d89830b89396d120fd4fa496cf5f74ad

        SHA256

        b5437c7559753b61c4a2af8e4fb7a0ab08386babbcfd3ca17d66260488ccb580

        SHA512

        f785d66eaf14a73bfc29edb407e623dce0da22e6d4e72b234daf4da659e1e151333e0b048a362495f1f1faf3c3a079f73a439d8d7760d077cbaf0ab4657a3ad8

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        ac3f009050ca5bee947e9c3639175aa0

        SHA1

        ac3239e5d89830b89396d120fd4fa496cf5f74ad

        SHA256

        b5437c7559753b61c4a2af8e4fb7a0ab08386babbcfd3ca17d66260488ccb580

        SHA512

        f785d66eaf14a73bfc29edb407e623dce0da22e6d4e72b234daf4da659e1e151333e0b048a362495f1f1faf3c3a079f73a439d8d7760d077cbaf0ab4657a3ad8

      • F:\$RECYCLE.BIN\S-1-5-21-607259312-1573743425-2763420908-1000\_desktop.ini

        Filesize

        10B

        MD5

        dbf19ca54500e964528b156763234c1d

        SHA1

        05376f86423aec8badf0adbc47887234ac83ef5a

        SHA256

        bfa0ad2e861e2369dc239edf8f62fbe1c4507d877ec2f76e46e48f1e68fdd5ae

        SHA512

        fb8ce1253ad6d3c1b7d970614dbc2d21574576336a490b54a8dc705a3d8637c0669747ba821fb2f4da14d7447dc24607aca988b0cd3bd9fc4d9d5988b4b631d0

      • \Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe

        Filesize

        47KB

        MD5

        493b286f0c41fcc9a44cb2b6a94f6fef

        SHA1

        2e4a742f01acc2cee315e31a64b176d892ef0022

        SHA256

        993d2b2fa72dadc7753c62b39d0d35ef1586f00f2eed60eb729057142ad76b4a

        SHA512

        9f74f38acdb47bc03642631252176f61464d9fbded6aa574af200ff5e436d7d56724548e27470413624842db11760464c376f19c76647388de7ead4c1c838167

      • \Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe

        Filesize

        47KB

        MD5

        493b286f0c41fcc9a44cb2b6a94f6fef

        SHA1

        2e4a742f01acc2cee315e31a64b176d892ef0022

        SHA256

        993d2b2fa72dadc7753c62b39d0d35ef1586f00f2eed60eb729057142ad76b4a

        SHA512

        9f74f38acdb47bc03642631252176f61464d9fbded6aa574af200ff5e436d7d56724548e27470413624842db11760464c376f19c76647388de7ead4c1c838167

      • \Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe

        Filesize

        47KB

        MD5

        493b286f0c41fcc9a44cb2b6a94f6fef

        SHA1

        2e4a742f01acc2cee315e31a64b176d892ef0022

        SHA256

        993d2b2fa72dadc7753c62b39d0d35ef1586f00f2eed60eb729057142ad76b4a

        SHA512

        9f74f38acdb47bc03642631252176f61464d9fbded6aa574af200ff5e436d7d56724548e27470413624842db11760464c376f19c76647388de7ead4c1c838167

      • \Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe

        Filesize

        47KB

        MD5

        493b286f0c41fcc9a44cb2b6a94f6fef

        SHA1

        2e4a742f01acc2cee315e31a64b176d892ef0022

        SHA256

        993d2b2fa72dadc7753c62b39d0d35ef1586f00f2eed60eb729057142ad76b4a

        SHA512

        9f74f38acdb47bc03642631252176f61464d9fbded6aa574af200ff5e436d7d56724548e27470413624842db11760464c376f19c76647388de7ead4c1c838167

      • \Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe

        Filesize

        47KB

        MD5

        493b286f0c41fcc9a44cb2b6a94f6fef

        SHA1

        2e4a742f01acc2cee315e31a64b176d892ef0022

        SHA256

        993d2b2fa72dadc7753c62b39d0d35ef1586f00f2eed60eb729057142ad76b4a

        SHA512

        9f74f38acdb47bc03642631252176f61464d9fbded6aa574af200ff5e436d7d56724548e27470413624842db11760464c376f19c76647388de7ead4c1c838167

      • \Users\Admin\AppData\Local\Temp\43f96e38ac82a0f2b5037abed76ed409842a51a7ac81c7838d9d2ba94999b653.exe

        Filesize

        47KB

        MD5

        493b286f0c41fcc9a44cb2b6a94f6fef

        SHA1

        2e4a742f01acc2cee315e31a64b176d892ef0022

        SHA256

        993d2b2fa72dadc7753c62b39d0d35ef1586f00f2eed60eb729057142ad76b4a

        SHA512

        9f74f38acdb47bc03642631252176f61464d9fbded6aa574af200ff5e436d7d56724548e27470413624842db11760464c376f19c76647388de7ead4c1c838167

      • memory/1212-29-0x0000000002BA0000-0x0000000002BA1000-memory.dmp

        Filesize

        4KB

      • memory/1704-12-0x00000000001B0000-0x00000000001E4000-memory.dmp

        Filesize

        208KB

      • memory/1704-16-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1704-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-21-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-45-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-51-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-97-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-101-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-104-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-110-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-113-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2152-1858-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB