Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 13:52

General

  • Target

    2c08a7598f92ff17a5978d3ffc280cc07585973dbf1f52a0e6e4b0388d548b66.exe

  • Size

    57KB

  • MD5

    2858ad32ec297be4e351cc2cf46b291d

  • SHA1

    3d84743d90a6bbafc874a9cd6bad4c142f337e5d

  • SHA256

    2c08a7598f92ff17a5978d3ffc280cc07585973dbf1f52a0e6e4b0388d548b66

  • SHA512

    57b9510b3f7f252c12da04d864a9d381fd51cd798352bdbd56656bbe47e1095d8ec1b5b6fa21108b5ed9e787d755221edab70e50a825d62c27ea7f907839692c

  • SSDEEP

    1536:2MaYzMXqtGNttyeiZnZLYm1R6jWWvr78Pxc:2MaY46tGNttyeQLYm1ReWWvrQxc

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 5 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 WriteProcessMemory 41 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1156
      • C:\Users\Admin\AppData\Local\Temp\2c08a7598f92ff17a5978d3ffc280cc07585973dbf1f52a0e6e4b0388d548b66.exe
        "C:\Users\Admin\AppData\Local\Temp\2c08a7598f92ff17a5978d3ffc280cc07585973dbf1f52a0e6e4b0388d548b66.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:1832
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2548
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2100
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aB616.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:492
          • C:\Users\Admin\AppData\Local\Temp\2c08a7598f92ff17a5978d3ffc280cc07585973dbf1f52a0e6e4b0388d548b66.exe
            "C:\Users\Admin\AppData\Local\Temp\2c08a7598f92ff17a5978d3ffc280cc07585973dbf1f52a0e6e4b0388d548b66.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2512
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -u -p 2512 -s 124
              5⤵
              • Loads dropped DLL
              PID:2904
        • 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:2496
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2756
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2900
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2848
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1668

    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\$$aB616.bat

      Filesize

      722B

      MD5

      2a208c3223d95e4c51ffef49c76dc9d9

      SHA1

      69af99077d27c5ac88a35ec4ee423d335caadbef

      SHA256

      b033363f6847cb709bc9536a24dafb4a05ac701861f81bed430480393fdfc43a

      SHA512

      4a932bf1b286c8dafd9ca336f801f8802b742d791de726bfa6839551a73f946448139d7058c56f76de618e60047fd521ffae02989e834e76919480dcc58d2430

    • C:\Users\Admin\AppData\Local\Temp\2c08a7598f92ff17a5978d3ffc280cc07585973dbf1f52a0e6e4b0388d548b66.exe.exe

      Filesize

      23KB

      MD5

      3f9dbfee668294872ef01b90740b01d0

      SHA1

      99a4702b65485cd14736b1c2cdfb81b455dda01c

      SHA256

      40b32fea1fcadcb2db369475e2bba58b0b83f5c3bb647e2e63877726c35a9f86

      SHA512

      0113cec160d97ea0cce70860cc5b79b502d16191ee237a3abb84309499be193aa0127dbcb41fc05a90fa61484b061ec4332ad29a918db598e32fe832b74bd1e3

    • 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/1156-35-0x0000000002550000-0x0000000002551000-memory.dmp

      Filesize

      4KB

    • memory/1832-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1832-18-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/1832-17-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/1832-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2496-39-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2496-2968-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2496-21-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2496-4161-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB