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Analysis

  • max time kernel
    150s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 19:46

General

  • Target

    becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600.exe

  • Size

    93KB

  • MD5

    337ab18f65129291a90b6481f92b6eca

  • SHA1

    8c45f4fdb763d4e147ce0fc16990ff0edd0068d9

  • SHA256

    becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600

  • SHA512

    12f7275994f133a86f8401804d8d0bb4f6a37939e5fa620ea8489956f8bb7d198ad961f3800e1edb78e6eeb8853c2767c7991412db593345469138c8b75d3377

  • SSDEEP

    1536:2EaYzMXqtGNttyeiZnZLYm1byapmebn4ddJZeY86iLflLJYEIs67rxo:2EaY46tGNttyeQLYm1WLK4ddJMY86ip1

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 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
  • 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 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600.exe
        "C:\Users\Admin\AppData\Local\Temp\becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1060
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2628
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8491.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2792
          • C:\Users\Admin\AppData\Local\Temp\becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600.exe
            "C:\Users\Admin\AppData\Local\Temp\becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600.exe"
            4⤵
            • Executes dropped EXE
            PID:2160
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • 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:1992
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4784
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:5104
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1356
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1708

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      251KB

      MD5

      3c5f394397a74cbfa685b50b4425d210

      SHA1

      84c7dd4da821baa51235a7825571beb7da6f5295

      SHA256

      a694b4a11ca32bb858b22d364b6c482aa218d17348139b3e3f0ca0bae0349285

      SHA512

      604ea58673841a1ef291b94fffd5b967b8db82b8c165a23b10794ef1ca778dabacc3bb95383b420406ba4ede9de50f912d6cb13133f0a93bd42385967da6a83f

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      e873c59e12d3bd9dbce20674068bb734

      SHA1

      e6d73449866f78a0c9a54d90c007e17758dd1590

      SHA256

      f3992f9e7bd3ea12328f5532c19c51fd874c42f4cec436b1e5c68c073d02106a

      SHA512

      f4c50292a9e59f19e17ee7936315dc4a0cd53fe742cc51ac2253d8bc1f5af4195401ca4ece02a10b51492ba7e83027a7b656b151536808999d332098a706c139

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      644KB

      MD5

      aa1f66c378cbdbcb7882e245c07b9def

      SHA1

      e50b4c0b495f97317f96ae0c42ca452b504e3970

      SHA256

      1aa4de231335138bca74aa29fdf52f58adbe09b68e8d717e6549a0ad400c6f8f

      SHA512

      9894d2bae12941be81164f3d00f9d90b69b421f9dbbd4436937ef667783a70d70c640e3fd5e7855bcb9e9ece0e04d2866140692dadffc19a3de1e8bf661ed9ed

    • C:\Users\Admin\AppData\Local\Temp\$$a8491.bat

      Filesize

      722B

      MD5

      5d95fc8dbdca0c4d08beece945d279a9

      SHA1

      b19d4a7f8176884e3b00ab5585880394827df9e2

      SHA256

      ed0ae65658f3e50b75a12aae53f359e17f0dd375d36e93f74655b47cc4b940c3

      SHA512

      ae2b437a23bba989861dfb42ba3ee7168b8878943b45960636b2c3a017ac06099ecb0b47619ae88386e14268fdee8cd7501fd3f216e791cdb99714ef81d80e82

    • C:\Users\Admin\AppData\Local\Temp\becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600.exe

      Filesize

      59KB

      MD5

      dfc18f7068913dde25742b856788d7ca

      SHA1

      cbaa23f782c2ddcd7c9ff024fd0b096952a2b387

      SHA256

      ff4ac75c02247000da084de006c214d3dd3583867bd3533ba788e22734c7a2bf

      SHA512

      d0c7ec1dae41a803325b51c12490c355ed779d297daa35247889950491e52427810132f0829fc7ffa3022f1a106f4e4ba78ed612223395313a6f267e9ab24945

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      1aeb31ee1d951ea2e78a19f5b23cd7e4

      SHA1

      3dd09718e9e4bcc2a03d11456815d56b4e2587c4

      SHA256

      537daec8665ada5375e0c87619d5d0992bfe0e7d9c976702554e20ae857eb6f9

      SHA512

      06cbed6a3557d9f57d0e2e4ace95ff43501dc8a83262db49ce6d4feba98026c5453432048ba3bb55a4c339479d34384c3081d0e2b27daa09a00be0226daed2a1

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\_desktop.ini

      Filesize

      8B

      MD5

      5d65d1288c9ecedfd5f28d17a01a30bc

      SHA1

      e5bb89b8ad5c73516abf7e3baeaf1855154381dc

      SHA256

      3501728ad227b52ce4d4f85ddd0e6d28dfa7acce977ae27f1e337be209825a5f

      SHA512

      6177ce001dd535382c3bae5e8c3cfda85d8d8b76b68bce10fa8e5e1e748fd1512a531ffc93fef1316f2c27d93b5b4a5b60a6391f0e131ccc5cc0a65c2755868e

    • memory/1616-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1616-11-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1992-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1992-4038-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1992-9-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1992-8715-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB