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Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 03:26

General

  • Target

    a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe

  • Size

    88KB

  • MD5

    2c52d4d39cf1bf569c6e2447a9df419c

  • SHA1

    605c0da2de1a0fd37b18195ba3365b9a8d5f598b

  • SHA256

    a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4

  • SHA512

    d2eec153c7176701732d33bdc4e130eea41b732290ea3f156eeba150c7bdd3906db0644011c36fb4e7822a088a6612376e4ac90c43a49c4f931f4a6e21228b44

  • SSDEEP

    768:/1ODKAaDMG8H92RwZNQSwcfymNBg+g61GoLcgm6EIvcCIlBJd1mgqgadKsQtpSFT:tfgLdQAQfcfymNlCUchDsQt8oxHeWW

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 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 25 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1300
      • C:\Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe
        "C:\Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:2624
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a7A5E.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1660
          • C:\Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe
            "C:\Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe"
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:1316
        • 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:2068
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2988
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:2732

      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

        1cd82144e9bdf90aae91927cfe472e91

        SHA1

        42b5487d6f4643b16fcf1ded3c232a24fb7f10ec

        SHA256

        e4f742f5d37492ab60a8f7abfbb6049093c8de3b6512fb3050ef09afa33da6cf

        SHA512

        5a3f468575e88d2295f0d52dccb0fbbd853f96d90926186b7a374c14e6bdbfe5d8054e679bd20dbbe9319c3d9719819d0ea09cdce45a84f54d0e1b7c88136a3b

      • 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\$$a7A5E.bat

        Filesize

        722B

        MD5

        c22112ae7864786ca907b48a6cdab26d

        SHA1

        22d8045613ae6c2852604704b00d4db6d0f7b11e

        SHA256

        bbd22e6799ddd40461e732957e8ffab3f6061dd462b8cdc3c444d48f2acf707a

        SHA512

        9a829dd90b21c3d8c26e532fbe08ae5992da52278263143813f37bcdcda753e6645dcc717ce108775af5e53971a542fcd58a55479722dd62db829ed59f85c310

      • C:\Users\Admin\AppData\Local\Temp\$$a7A5E.bat

        Filesize

        722B

        MD5

        c22112ae7864786ca907b48a6cdab26d

        SHA1

        22d8045613ae6c2852604704b00d4db6d0f7b11e

        SHA256

        bbd22e6799ddd40461e732957e8ffab3f6061dd462b8cdc3c444d48f2acf707a

        SHA512

        9a829dd90b21c3d8c26e532fbe08ae5992da52278263143813f37bcdcda753e6645dcc717ce108775af5e53971a542fcd58a55479722dd62db829ed59f85c310

      • C:\Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe

        Filesize

        62KB

        MD5

        563e5d234d4f6287131bdf5ea1c371d1

        SHA1

        bb5006b7fbbc4c5266d63233e74ba829fcba846a

        SHA256

        c7c7d345ff20a9ca813c6fe3c6c09451a906fd0b32c5044732e82d841e87cf4f

        SHA512

        0cbd1e3ed330dbbc14727164a9f900fc0b16cd86cff30b6d756e21c3f65e361ef8882ac7bd7b6399960feae409ad0178e0e0eae0f5281a047c7cc8478d9b5382

      • C:\Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe.exe

        Filesize

        62KB

        MD5

        563e5d234d4f6287131bdf5ea1c371d1

        SHA1

        bb5006b7fbbc4c5266d63233e74ba829fcba846a

        SHA256

        c7c7d345ff20a9ca813c6fe3c6c09451a906fd0b32c5044732e82d841e87cf4f

        SHA512

        0cbd1e3ed330dbbc14727164a9f900fc0b16cd86cff30b6d756e21c3f65e361ef8882ac7bd7b6399960feae409ad0178e0e0eae0f5281a047c7cc8478d9b5382

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        88af5b73238a71023386adc35d3af4ed

        SHA1

        d5f2bb1c8a4174588eb3768d187252b582e6579d

        SHA256

        dbff77fb2b63ebd55608ccdfe4182f721ce1553b94b35e3fd1e6a1553997d1cf

        SHA512

        fd1291d45e74dab90d80357a518f4cb20a645f55063f8258f87e060fa3c885e8970c66573f4669f01d06692b8f40673534b514081120eb021800813ce86545d2

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        88af5b73238a71023386adc35d3af4ed

        SHA1

        d5f2bb1c8a4174588eb3768d187252b582e6579d

        SHA256

        dbff77fb2b63ebd55608ccdfe4182f721ce1553b94b35e3fd1e6a1553997d1cf

        SHA512

        fd1291d45e74dab90d80357a518f4cb20a645f55063f8258f87e060fa3c885e8970c66573f4669f01d06692b8f40673534b514081120eb021800813ce86545d2

      • C:\Windows\Logo1_.exe

        Filesize

        26KB

        MD5

        88af5b73238a71023386adc35d3af4ed

        SHA1

        d5f2bb1c8a4174588eb3768d187252b582e6579d

        SHA256

        dbff77fb2b63ebd55608ccdfe4182f721ce1553b94b35e3fd1e6a1553997d1cf

        SHA512

        fd1291d45e74dab90d80357a518f4cb20a645f55063f8258f87e060fa3c885e8970c66573f4669f01d06692b8f40673534b514081120eb021800813ce86545d2

      • C:\Windows\rundl132.exe

        Filesize

        26KB

        MD5

        88af5b73238a71023386adc35d3af4ed

        SHA1

        d5f2bb1c8a4174588eb3768d187252b582e6579d

        SHA256

        dbff77fb2b63ebd55608ccdfe4182f721ce1553b94b35e3fd1e6a1553997d1cf

        SHA512

        fd1291d45e74dab90d80357a518f4cb20a645f55063f8258f87e060fa3c885e8970c66573f4669f01d06692b8f40673534b514081120eb021800813ce86545d2

      • F:\$RECYCLE.BIN\S-1-5-21-4159544280-4273523227-683900707-1000\_desktop.ini

        Filesize

        9B

        MD5

        ec7139d5bb99bcebaf0b91c58a9ec5aa

        SHA1

        70404362dd74e309722fd282c3492ec95674123c

        SHA256

        eb17ae1b1de9e95e0d159893048f2de5c1c158467e768cc0ddbaa517c45e0582

        SHA512

        b0114d8f74b17836819b750cff2b590b652e04bb2dc0e9dc8bffac7ed66bd9ded03cd35abc7fc0fcd0127a994c283dcd162e97e6dd76f5a903ff59e4951dfc48

      • \Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe

        Filesize

        62KB

        MD5

        563e5d234d4f6287131bdf5ea1c371d1

        SHA1

        bb5006b7fbbc4c5266d63233e74ba829fcba846a

        SHA256

        c7c7d345ff20a9ca813c6fe3c6c09451a906fd0b32c5044732e82d841e87cf4f

        SHA512

        0cbd1e3ed330dbbc14727164a9f900fc0b16cd86cff30b6d756e21c3f65e361ef8882ac7bd7b6399960feae409ad0178e0e0eae0f5281a047c7cc8478d9b5382

      • \Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe

        Filesize

        62KB

        MD5

        563e5d234d4f6287131bdf5ea1c371d1

        SHA1

        bb5006b7fbbc4c5266d63233e74ba829fcba846a

        SHA256

        c7c7d345ff20a9ca813c6fe3c6c09451a906fd0b32c5044732e82d841e87cf4f

        SHA512

        0cbd1e3ed330dbbc14727164a9f900fc0b16cd86cff30b6d756e21c3f65e361ef8882ac7bd7b6399960feae409ad0178e0e0eae0f5281a047c7cc8478d9b5382

      • \Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe

        Filesize

        62KB

        MD5

        563e5d234d4f6287131bdf5ea1c371d1

        SHA1

        bb5006b7fbbc4c5266d63233e74ba829fcba846a

        SHA256

        c7c7d345ff20a9ca813c6fe3c6c09451a906fd0b32c5044732e82d841e87cf4f

        SHA512

        0cbd1e3ed330dbbc14727164a9f900fc0b16cd86cff30b6d756e21c3f65e361ef8882ac7bd7b6399960feae409ad0178e0e0eae0f5281a047c7cc8478d9b5382

      • \Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe

        Filesize

        62KB

        MD5

        563e5d234d4f6287131bdf5ea1c371d1

        SHA1

        bb5006b7fbbc4c5266d63233e74ba829fcba846a

        SHA256

        c7c7d345ff20a9ca813c6fe3c6c09451a906fd0b32c5044732e82d841e87cf4f

        SHA512

        0cbd1e3ed330dbbc14727164a9f900fc0b16cd86cff30b6d756e21c3f65e361ef8882ac7bd7b6399960feae409ad0178e0e0eae0f5281a047c7cc8478d9b5382

      • memory/1300-33-0x0000000002A20000-0x0000000002A21000-memory.dmp

        Filesize

        4KB

      • memory/2068-43-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2068-1854-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2068-3314-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2068-36-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2068-22-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2068-182-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2068-49-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2068-96-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2068-102-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2624-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2624-15-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2624-16-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2624-35-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB

      • memory/2624-21-0x0000000000220000-0x0000000000254000-memory.dmp

        Filesize

        208KB