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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 09:11

General

  • Target

    2900a98c43b4953931afb8960bdb41cd31c7908225a348c6447517da73d4e790.exe

  • Size

    97KB

  • MD5

    8688650dafdae35251b5aa87f7f4af3d

  • SHA1

    b8f01fa607f9416e717b346071207f37df157cb5

  • SHA256

    2900a98c43b4953931afb8960bdb41cd31c7908225a348c6447517da73d4e790

  • SHA512

    27ca953d44f1f1ab4675e161e6b83d0488c21bb964e28c6168f8a88ac943e4d0e22c8cbc0f406489a3c78cd4a634258199881398f64b931070793c2fd17ee720

  • SSDEEP

    1536:eNPrPrBcx1ae9n40g9i/qo6SKHXf88qP2CsRdxgwGGCIOunToIfiWdN:eLfZQioJK3f8l2CHRGgKTBfik

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1240
      • C:\Users\Admin\AppData\Local\Temp\2900a98c43b4953931afb8960bdb41cd31c7908225a348c6447517da73d4e790.exe
        "C:\Users\Admin\AppData\Local\Temp\2900a98c43b4953931afb8960bdb41cd31c7908225a348c6447517da73d4e790.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2096
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1988
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
              PID:2580
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c C:\Users\Admin\AppData\Local\Temp\$$aAE2A.bat
            3⤵
            • Deletes itself
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2440
            • C:\Users\Admin\AppData\Local\Temp\2900a98c43b4953931afb8960bdb41cd31c7908225a348c6447517da73d4e790.exe
              "C:\Users\Admin\AppData\Local\Temp\2900a98c43b4953931afb8960bdb41cd31c7908225a348c6447517da73d4e790.exe"
              4⤵
              • Executes dropped EXE
              PID:2872
          • C:\Windows\Logo1_.exe
            C:\Windows\Logo1_.exe
            3⤵
            • Drops startup file
            • 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:2736
            • C:\Windows\SysWOW64\net.exe
              net stop "Kingsoft AntiVirus Service"
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:2760
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                5⤵
                  PID:2884
              • C:\Windows\SysWOW64\net.exe
                net stop "Kingsoft AntiVirus Service"
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:2996
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
                  5⤵
                    PID:2632

          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

            258KB

            MD5

            61da47408434aa255916c0f52f0a70a1

            SHA1

            f4a662581634ea88ea91fa3df9bcbbbda28594fd

            SHA256

            1c96935deb9a27e9d7e634faea6ec85df1bd81965b0102cdaef916867c9b1223

            SHA512

            8e895afa682468c20db63a23bcb7e6e5c4791858abf482536e38a9c0182272cc00f4b4687d9e4870e9fa7d18e821c9aeb8b73ea539020a9f7bf798ba05f8ffb3

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

            Filesize

            478KB

            MD5

            79d96b6a2771e7783309bf05ebe7b5c1

            SHA1

            b19da11278224b17598d5b6de189892a83196708

            SHA256

            eb38a47ec49f3f376f53aff58def8c3a0e095bad67e2887d3f58bb4a3c71a19e

            SHA512

            72e30060fd922fc37662d762bc647bf85938986d810057926fe86a1622e1b05fc841bab9ee06ee7855071ed27da3d8fe20d41f03ae68c4c76cc720a7e56d4d68

          • C:\Users\Admin\AppData\Local\Temp\$$aAE2A.bat

            Filesize

            722B

            MD5

            bc4c51dd342e8816631e38bbe8b545f4

            SHA1

            1533d28ed892e5f02dd05133d5e92b2c4ba54388

            SHA256

            d5dd90e867b4eddc15e68d7be7fba7fa37510f2d2334b5ddc9a9baea93750f9d

            SHA512

            03105244fb345560f98b55dba8bf7bd56bd44de32ba33c638dd02eae47a3c97e7ee362ad7723da3169a01cbe49fb19580897e632b292d99495ee04d10e3f4876

          • C:\Users\Admin\AppData\Local\Temp\2900a98c43b4953931afb8960bdb41cd31c7908225a348c6447517da73d4e790.exe.exe

            Filesize

            64KB

            MD5

            ae6ce17005c63b7e9bf15a2a21abb315

            SHA1

            9b6bdfb9d648fa422f54ec07b8c8ea70389c09eb

            SHA256

            4a3387a54eeca83f3a8ff1f5f282f7966c9e7bfe159c8eb45444cab01b3e167e

            SHA512

            c883a5f599540d636efc8c0abc05aab7bad0aa1b10ab507f43f18e0fba905a10b94ff2f1ba10ae0fee15cc1b90a165a768dc078fda0ac27474f0eef66f6a11af

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            5ed5a2badb346b8b0790c924c99df3dd

            SHA1

            3278569b20ddea011e20405c09b01726934f4d4f

            SHA256

            6cdfe0439de7d0626e8f6a39ee64ffee03797346b8bf3bf6b5c8a17da654fda3

            SHA512

            85d6dd616dac0203c1168139f2367792323d4c2b34febb9e562e2d3ad145bbe8b6912786e2e485de9102014608d96ada2faad08976cc35d7494a36d8de8ee11d

          • F:\$RECYCLE.BIN\S-1-5-21-1385883288-3042840365-2734249351-1000\_desktop.ini

            Filesize

            8B

            MD5

            d8dca68320777bb03e3a6dbdb7624c4f

            SHA1

            094cbdfea49743824e2aaf9c66082c25da2157b1

            SHA256

            ebe46a39e49fe879afd1b4ac0de5c6c62e8e90342cd71aaaf3ec1d84269e9c6e

            SHA512

            9097e8a3df0ae12235002caaef04951ab586d84ea9db1b9952e684b5ab570a033ba1bf047598fca329652cab23a5ec1516e6cd6dbcbd979fd32b9b8afbdf88cc

          • memory/1240-28-0x00000000024C0000-0x00000000024C1000-memory.dmp

            Filesize

            4KB

          • memory/2096-0-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2096-17-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2736-32-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2736-18-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2736-3307-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB

          • memory/2736-4155-0x0000000000400000-0x000000000043D000-memory.dmp

            Filesize

            244KB