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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-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

  • Executes dropped EXE 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 20 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2000
      • 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:1356
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a6AA1.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1820
          • C:\Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe
            "C:\Users\Admin\AppData\Local\Temp\a2efbefcadd471825c0d13338673488aed3121a724bd002a6f1ef373a3beb9d4.exe"
            4⤵
            • Executes dropped EXE
            PID:3080
        • 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:2708
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3876
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
                PID:3496

      Network

      MITRE ATT&CK Enterprise v15

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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:\Program Files\ExitAssert.exe

        Filesize

        268KB

        MD5

        9378c654878e01f4699f4d85401c0233

        SHA1

        07950db0507c1f93e10b5a16f1e26ffae1dea73b

        SHA256

        c61c793a2f50757a5a5c910e195e59b0ecbb6bcef02e4b6f04674854d1e5c4ee

        SHA512

        3ced01a8a82aefc9f71cf03b7b8eb1a83cb1d3d412e14b7b7b8250b24463a4aa163a3c90306732b907df8d551e79b5492eb4894f73ecbea5db765072f80164c9

      • C:\Users\Admin\AppData\Local\Temp\$$a6AA1.bat

        Filesize

        722B

        MD5

        3706200868257ac647dbbc4170589227

        SHA1

        76a1ae7ab206c6c5872847cae92b9ce5d50aabdd

        SHA256

        a0376cbc823b6252c2ddfa659ad0657a6420be07926221c09288ec6f45cb2b7b

        SHA512

        10f66a4ef17ec78a8ed45254081c6f5557071fa7a8e993d65e85a83247856fc2b69dcd70d7e0e295216db960874a5386ba92c5ae6104ef7d86496110197c87e6

      • 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\rundl132.exe

        Filesize

        26KB

        MD5

        88af5b73238a71023386adc35d3af4ed

        SHA1

        d5f2bb1c8a4174588eb3768d187252b582e6579d

        SHA256

        dbff77fb2b63ebd55608ccdfe4182f721ce1553b94b35e3fd1e6a1553997d1cf

        SHA512

        fd1291d45e74dab90d80357a518f4cb20a645f55063f8258f87e060fa3c885e8970c66573f4669f01d06692b8f40673534b514081120eb021800813ce86545d2

      • F:\$RECYCLE.BIN\S-1-5-21-618519468-4027732583-1827558364-1000\_desktop.ini

        Filesize

        9B

        MD5

        ec7139d5bb99bcebaf0b91c58a9ec5aa

        SHA1

        70404362dd74e309722fd282c3492ec95674123c

        SHA256

        eb17ae1b1de9e95e0d159893048f2de5c1c158467e768cc0ddbaa517c45e0582

        SHA512

        b0114d8f74b17836819b750cff2b590b652e04bb2dc0e9dc8bffac7ed66bd9ded03cd35abc7fc0fcd0127a994c283dcd162e97e6dd76f5a903ff59e4951dfc48

      • memory/1356-0-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/1356-10-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-37-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-26-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-19-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-375-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-1279-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-4385-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-8-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2708-4811-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB