Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25/09/2024, 17:51

General

  • Target

    620a2ea5c332a0569c93afd6f5b0d0e80630a3c3c2363d1f06516c25244d2edd.exe

  • Size

    165KB

  • MD5

    043b405145b4f79e81b3f4e407b1a401

  • SHA1

    f7c9842e2ca8e33a17ad083507672d568be764b2

  • SHA256

    620a2ea5c332a0569c93afd6f5b0d0e80630a3c3c2363d1f06516c25244d2edd

  • SHA512

    180794bc15d3626adad999f6a8b6a733f041e748c699622b46428811c7c58502bf1d131a02d02abcbc0ba8e5c0af6ef152a9a6b8e1592e36588674c687b4e626

  • SSDEEP

    3072:2MaY46tGNttyeQLYm1s99djmMGWBgh1002J8emEu3T7TO+9Z9sTOVrZzxVxU:H46tGdye41WYWBW1Wu3rOOuOVr8

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Deletes itself 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:1236
    • C:\Users\Admin\AppData\Local\Temp\620a2ea5c332a0569c93afd6f5b0d0e80630a3c3c2363d1f06516c25244d2edd.exe
      "C:\Users\Admin\AppData\Local\Temp\620a2ea5c332a0569c93afd6f5b0d0e80630a3c3c2363d1f06516c25244d2edd.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:1984
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1148
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3052
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\$$aA007.bat
        3⤵
        • Deletes itself
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2384
        • C:\Users\Admin\AppData\Local\Temp\620a2ea5c332a0569c93afd6f5b0d0e80630a3c3c2363d1f06516c25244d2edd.exe
          "C:\Users\Admin\AppData\Local\Temp\620a2ea5c332a0569c93afd6f5b0d0e80630a3c3c2363d1f06516c25244d2edd.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2824
      • 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:2696
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2752
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2888
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1048
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2652

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

          953a1048591452b2925fc0f04aca2726

          SHA1

          49a0ffe1c7978c660336c6af7cac7ae03dd3a3c5

          SHA256

          b32eca17e63820f3c9a12b3a520609b90e8913543cdf395a5bf2b48662055ab9

          SHA512

          02b0cdd6cd3be94d96daaaa958c8a423d8b7d91971d5677d310df6f45da4877c5abe4ba65b13be0d7993755758c02698a30f2058a569ce5dcb44bc60e6c57b84

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

          Filesize

          478KB

          MD5

          23c2c932165e28ab0bc8488daa561473

          SHA1

          f6852391374e72097387d9af721c0aef807a2ff0

          SHA256

          d10031fa711a530bdcdb77da251ae1098ba91f9bc62f0b9d7ba92214980a71fa

          SHA512

          3f0026e56feaca95434050e7125bd9e275e0d4038d513abde516708c32c5a490a7afe1ea951da3866961e39c8c5e2e02c38c2507ba47d98964298b473f0d9f1b

        • C:\Users\Admin\AppData\Local\Temp\$$aA007.bat

          Filesize

          722B

          MD5

          d1b437739a64fad382639c2894b800d9

          SHA1

          f978cde5e6682de06009e02fa6d67f22707b7c70

          SHA256

          d54a3744d7de28a0f815eb912736a68beca4e1e17c5ce9abebdd23561565f795

          SHA512

          ad48fef728b0129c8dc5a6470644265b643a92b9ff6c3e5ac71c09c9dd5e47af67d827edc8f9abaa0e582038c165fc7d0eb0e412d2b2f73de9a810e6c462202d

        • C:\Users\Admin\AppData\Local\Temp\620a2ea5c332a0569c93afd6f5b0d0e80630a3c3c2363d1f06516c25244d2edd.exe.exe

          Filesize

          131KB

          MD5

          16438a96a8adb85472ca72da04701b29

          SHA1

          b1f5ee8bc083804de4de820255107f6541c84735

          SHA256

          9291cd97d2f1b119438f16e97ea75119f19fd959ec5414e84b337530d692e289

          SHA512

          58f659a29cb34245a261b7666b1cda4b76f2df1039f3713dda6ff5a97c33b4cc273b110d10b4131a6a5c13897efcfa9a5ef3031e0e5fb14db1adc0ac1ef25dcd

        • C:\Windows\Logo1_.exe

          Filesize

          33KB

          MD5

          882c518784a2516cf3382e811730a54b

          SHA1

          f005942b284152bccdaf2e9daf8dc8b7ec42ab19

          SHA256

          ed39c0d5d432a79b3535a497fdf7c83948f570ec1b744ce2c5d810ba4db5aa7f

          SHA512

          31937e85e1599160c659d430368ea36e9206bef58d98cc3642a4a8795197f7e5df96f6babbffa3d96e7b9afbb0284f03031fa6ef7361d010593df4055772093a

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

          Filesize

          832B

          MD5

          7e3a0edd0c6cd8316f4b6c159d5167a1

          SHA1

          753428b4736ffb2c9e3eb50f89255b212768c55a

          SHA256

          1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

          SHA512

          9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

        • F:\$RECYCLE.BIN\S-1-5-21-312935884-697965778-3955649944-1000\_desktop.ini

          Filesize

          9B

          MD5

          e02899454c67c7d6d1af854fdcb53b67

          SHA1

          26fb213f7c299c2a4d8c4afd234ee0b751d7a30e

          SHA256

          0e67e90646d3ba7b46f935b205c9f89e8bff2dca7aeda3cd5dfb93868b262315

          SHA512

          e1519bebf62ab4cb28e630a201312812e04f815ec0663f7b68b478da97c0bf7c7c2238a8632540d3d1f37acbe83919fb198b39ebeb222c19faa2130ab65ffffa

        • memory/1236-32-0x0000000002E60000-0x0000000002E61000-memory.dmp

          Filesize

          4KB

        • memory/1984-20-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/1984-16-0x0000000000230000-0x000000000026E000-memory.dmp

          Filesize

          248KB

        • memory/1984-0-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/1984-18-0x0000000000230000-0x000000000026E000-memory.dmp

          Filesize

          248KB

        • memory/2696-35-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/2696-2966-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/2696-4154-0x0000000000400000-0x000000000043E000-memory.dmp

          Filesize

          248KB

        • memory/2824-27-0x00000000001E0000-0x00000000001E1000-memory.dmp

          Filesize

          4KB

        • memory/2824-37-0x00000000001E0000-0x00000000001E1000-memory.dmp

          Filesize

          4KB