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Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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
  • 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:1200
      • 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:3060
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2304
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1444
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aB174.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2348
          • C:\Users\Admin\AppData\Local\Temp\becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600.exe
            "C:\Users\Admin\AppData\Local\Temp\becba84a12ae2f8f53621818c18226094579a6041f6ac327bbbb656e552f5600.exe"
            4⤵
            • Executes dropped EXE
            PID:2608
        • 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:3004
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2708
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2748
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • 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"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2636

    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

      bd7ee384760a5ffb1309ea3e260e651d

      SHA1

      dada6c6dd3fe4421a59808004e535cb3df497cad

      SHA256

      e1edf32df58c9dd03897d41aff9264c435cda19a5609a67424b30e211ead2178

      SHA512

      940521459a6ee464f87f86693ddd6345c7bb54539533d1c3047f0d860485e971f444cf8794765e23cb5ebacaf84dabe4701ec9a71ef0267d56f40b115058ca16

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

      Filesize

      478KB

      MD5

      d9e0e240d8ad8011c3bcef931efb7753

      SHA1

      97b4836603e547a8acff1248ce417f615bc5274c

      SHA256

      94b78f2b9e848439b44c12d1a3f0e537996cdd6c1db2bed972e28e60a1985241

      SHA512

      bec5ea174a432a0e10a75c2f9236d4c9e4fd2075075de7a67d75699f8adb573974310ae423ec5f8fe89465a30ce15c1554e6442a998b28c70dcaea382e9be4f8

    • C:\Users\Admin\AppData\Local\Temp\$$aB174.bat

      Filesize

      722B

      MD5

      68f3917e2f5eb11fcbd929c0cbedf6ac

      SHA1

      33c28da617ef7fc658124b4fcef327bf42cf90ce

      SHA256

      3ae239b5e9698d6d8ba1b005d20eeaf9e19cc5a607dfdf089fa492c14c4e2db2

      SHA512

      786529e43dace24dd14a603e3bd9cbce85113fde7e703f3d4c0a821f7adc501a8a016144d3a7370e72aeabbf74abb2be8c309df129103ba301cd0af1defa433b

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

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-3434294380-2554721341-1919518612-1000\_desktop.ini

      Filesize

      8B

      MD5

      5d65d1288c9ecedfd5f28d17a01a30bc

      SHA1

      e5bb89b8ad5c73516abf7e3baeaf1855154381dc

      SHA256

      3501728ad227b52ce4d4f85ddd0e6d28dfa7acce977ae27f1e337be209825a5f

      SHA512

      6177ce001dd535382c3bae5e8c3cfda85d8d8b76b68bce10fa8e5e1e748fd1512a531ffc93fef1316f2c27d93b5b4a5b60a6391f0e131ccc5cc0a65c2755868e

    • memory/1200-30-0x0000000002E50000-0x0000000002E51000-memory.dmp

      Filesize

      4KB

    • memory/3004-33-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3004-2962-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3004-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3004-4151-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3060-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3060-17-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/3060-18-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB