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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13/09/2024, 06:04

General

  • Target

    3c4a7e22d5344ad877e69e97e99474cb4242d5fd1c2121dcd28056405a4181be.exe

  • Size

    1.1MB

  • MD5

    f4926ba34c279f8f111d959725a34d63

  • SHA1

    9546c63e4a77640758391206dba5083bb532feb9

  • SHA256

    3c4a7e22d5344ad877e69e97e99474cb4242d5fd1c2121dcd28056405a4181be

  • SHA512

    2e4c9d72609430e4955d8e089b726225f471572a182d0bc8a7b71269a783108d108968d5baff2d8a1e4c88ca36dd32401a665782f945685f4deca1b5a6311405

  • SSDEEP

    24576:nBvf9AiKGpEoQpkN2C4McuKo0GTNJpyT5RGeQa0s:nBv+GtCi27mVHyT+a0s

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 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
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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:1196
      • C:\Users\Admin\AppData\Local\Temp\3c4a7e22d5344ad877e69e97e99474cb4242d5fd1c2121dcd28056405a4181be.exe
        "C:\Users\Admin\AppData\Local\Temp\3c4a7e22d5344ad877e69e97e99474cb4242d5fd1c2121dcd28056405a4181be.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2860
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2652
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a741.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Users\Admin\AppData\Local\Temp\3c4a7e22d5344ad877e69e97e99474cb4242d5fd1c2121dcd28056405a4181be.exe
            "C:\Users\Admin\AppData\Local\Temp\3c4a7e22d5344ad877e69e97e99474cb4242d5fd1c2121dcd28056405a4181be.exe"
            4⤵
            • Executes dropped EXE
            PID:2580
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2748
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2692
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2740
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2728
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2560

    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

      2d5dc0e2365add6101339ca3601e4844

      SHA1

      27e0ae2b53f348cde2138b61ec8893ccb5e18842

      SHA256

      06d01bbe9ea2aa34904f77fc3582ce1c0624a44d09f3d71a2ef2a718065aa4c2

      SHA512

      5e54034137c3dc52282c69dcf1255c82d2ea8fab9fdca59b86f6fcd9d04cff08ee74c51cf844594fb27e7cbcb28450c0992bd9ee533b313b5bcaef63c9fbdc84

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

      Filesize

      477KB

      MD5

      c32f3ae2a93a21a604cd493d86b40278

      SHA1

      4428387f1a1dd12ff5607459bcf4d89cd8ed80fe

      SHA256

      b84bbbbc007c88ca79ea94b2cf92e7a3093c8de3a8ce4b70b6f4d0a9480595a8

      SHA512

      5e7bb3318deebf7663fc4b9c3b20ce75986e32cbb27c34ec94fccf5affde4f0dd9e5dd0bef38510d088ec00b885dccafff09706a75fd927f882540ead7cc7965

    • C:\Users\Admin\AppData\Local\Temp\$$a741.bat

      Filesize

      721B

      MD5

      8e6cf288036d371905f33568596c7af1

      SHA1

      680396cec1e873182dac88158508b7831c096c7d

      SHA256

      64a551b538b72f5d58789edcef4d5cb062a95e2bdea12e3954d7ae8cf7bc92cc

      SHA512

      04752d1e86882988b2407af01039cac31fde58201acb6fd9be041da8051c2f5e8f5f56a9a71e12af69c39fd803affb7bc6c7b28b3b7074358b0f4fce92d877ba

    • C:\Users\Admin\AppData\Local\Temp\3c4a7e22d5344ad877e69e97e99474cb4242d5fd1c2121dcd28056405a4181be.exe.exe

      Filesize

      1.1MB

      MD5

      09239e688ff75cd636ac932100b243f9

      SHA1

      2a7964c81b9a34bb77c4e3676e7d31b7d2668297

      SHA256

      a36ef4c18a08ee8d8c0d10d96ab37a0c3ce22a8f328733af8c0451579e4edcb1

      SHA512

      686708321d8756ddcfa2d1585ca7261be0ece33bd9d134888cdb4655b8484c727b34b4ac7f12d919184e85ab65088bc565549c262289cb64f9aeca0508290825

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      0fa99b8acf13f45b95bacb99fad6efef

      SHA1

      d6271ca22be5d6bbfba2ef4229dca71182d43892

      SHA256

      c41ba3c322874847191377fd1671808aff7f2aac06b0ad1a8d1e81679e498b01

      SHA512

      efdbb5b56a621d6bffe454cf860483a21a64d59ece212cbc42f45f6a2259f5afd99621b88253b8808af5429b7e67d69136dc5fa63b304389e3e2ac090495cc31

    • F:\$RECYCLE.BIN\S-1-5-21-3551809350-4263495960-1443967649-1000\_desktop.ini

      Filesize

      9B

      MD5

      475984718232cf008bb73666d834f1f4

      SHA1

      12f23c9301c222f599a279e02a811d274d0f4abc

      SHA256

      a5b32591119f87eb3c8a00c0c39e26ea6d6414aa9887d85fcb4903e1c14921b5

      SHA512

      80235dc2560b7991d79f9550cdeca6ac02c00cee6bf186f8f20d4ff3fbd7718be937b73ab768d71c4027e153557b08bbfd95ea88d2e0857a7c70cf1da6fa9937

    • memory/1196-28-0x00000000024E0000-0x00000000024E1000-memory.dmp

      Filesize

      4KB

    • memory/2644-18-0x0000000000230000-0x000000000026F000-memory.dmp

      Filesize

      252KB

    • memory/2644-0-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/2644-19-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/2644-12-0x0000000000230000-0x000000000026F000-memory.dmp

      Filesize

      252KB

    • memory/2748-31-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/2748-3001-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB

    • memory/2748-4154-0x0000000000400000-0x000000000043F000-memory.dmp

      Filesize

      252KB