Analysis

  • max time kernel
    149s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 15:04

General

  • Target

    7840a14789419b38f59a1349227bb56fc4d60ced4e739cb948a6e30238e13bef.exe

  • Size

    67KB

  • MD5

    e3bac44d78f58b0bdebbeeed924f66cc

  • SHA1

    b695a49effd2e98a93113f38639eb60bae35dad7

  • SHA256

    7840a14789419b38f59a1349227bb56fc4d60ced4e739cb948a6e30238e13bef

  • SHA512

    5cd9dcad02572e244c2449a895433abcc5d6886f2ab8b20e10d2bfe356ba4a75821d85ecbfbaa1fe3f795d9b02073af45a53e3615a2641ffe023c7c98312f543

  • SSDEEP

    1536:2HvaYzMXqtGNttyeiZnZLYm1DvVfqzlledcTJzz:2HvaY46tGNttyeQLYm1DvVfqzlvTJ3

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:1256
      • C:\Users\Admin\AppData\Local\Temp\7840a14789419b38f59a1349227bb56fc4d60ced4e739cb948a6e30238e13bef.exe
        "C:\Users\Admin\AppData\Local\Temp\7840a14789419b38f59a1349227bb56fc4d60ced4e739cb948a6e30238e13bef.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:2904
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2376
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2020
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a9398.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2288
          • C:\Users\Admin\AppData\Local\Temp\7840a14789419b38f59a1349227bb56fc4d60ced4e739cb948a6e30238e13bef.exe
            "C:\Users\Admin\AppData\Local\Temp\7840a14789419b38f59a1349227bb56fc4d60ced4e739cb948a6e30238e13bef.exe"
            4⤵
            • Executes dropped EXE
            PID:2836
        • 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:2284
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2088
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2720
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2600
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2708

    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

      308deba8cdbeb1c11955907d34c3de33

      SHA1

      c56a66de3645a62b2acb5afd91a8d23db6b1af50

      SHA256

      42fee24e0cacb6432c0cd897ab36e6866d9fab80aeba2eb51ed3032a8eea593a

      SHA512

      07ff8ce6f416bba75c166a035e15550f86d6b073abdc6f765030864b19c498f35f5803f7e14c48a5f1582aa5ad73a7ff614dfb6dac89bf474a1b6ba50d8e61b3

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

      Filesize

      478KB

      MD5

      8570085d6376ce20619da309fc24d598

      SHA1

      26e5e2041b4a2085e461394522d544cdd1784938

      SHA256

      5a7bdabc9772cdb871fd25438f84260cec940dd512a00064f98fb7b00f528199

      SHA512

      1f436a715e9b013fcc4c74aa06022bbee257ac76453ce419e12fd3d4f0ee2418b4f96d244be5112cdc938906ca0940c3d1650ae1fe962b8b004a433144da29ea

    • C:\Users\Admin\AppData\Local\Temp\$$a9398.bat

      Filesize

      722B

      MD5

      0327ec6de3f90ba9fc0a34662b4a4d65

      SHA1

      e83de4bc3c9670542f0dc361f36372d2ef21803d

      SHA256

      3bc264c8abacdbfcf348ed9358dee38e3538c01454f7cb6134529b960395e3d7

      SHA512

      63a5cdb938189d16578798b510c24a474248703c4307cd8c8809316a9675d2e17b8c202fa235f9eb651e92ade36261374088faa75c556556ea1b5011c277f4fe

    • C:\Users\Admin\AppData\Local\Temp\7840a14789419b38f59a1349227bb56fc4d60ced4e739cb948a6e30238e13bef.exe.exe

      Filesize

      33KB

      MD5

      64f8db30b16d1c755d033d069c70d2d1

      SHA1

      04e8f26c383027cc63531f48477424bda65b14e5

      SHA256

      0823bf7a2c453892ffa4328a970a417e0907d584bfb7f819ed0f4bb139d12e55

      SHA512

      f461b40de656e6df6360a1ba393b000720c0ffa91147b00ee42aefccb4122da4314ce4de00364e692a0517f5e6643fe061b232fb316e993642f2d43b393b38aa

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      bee6df131a9c9bccab2c2e85139f6842

      SHA1

      d7d095b827384b3b5f4e0cf9b8afb543998f1796

      SHA256

      1a8911fd47aa3e98991935402374717b26afeed5d8eb431edcd4625f1a16f962

      SHA512

      2457aa406a3010ce789237d55fa17fc0f5694c847699af8044f21ea935179ffc69056c0c2ba4ba3eee3158c51afb2d11d2c372eca3e1ca77c44545cb74cd4812

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

      Filesize

      832B

      MD5

      7e3a0edd0c6cd8316f4b6c159d5167a1

      SHA1

      753428b4736ffb2c9e3eb50f89255b212768c55a

      SHA256

      1965854dfa54c72529c88c7d9f41fa31b4140cad04cf03d3f0f2e7601fcbdc6c

      SHA512

      9c68f7f72dfa109fcfba6472a1cced85bc6c2a5481232c6d1d039c88b2f65fb86070aeb26ac23e420c6255daca02ea6e698892f7670298d2c4f741b9e9415c7f

    • F:\$RECYCLE.BIN\S-1-5-21-1506706701-1246725540-2219210854-1000\_desktop.ini

      Filesize

      9B

      MD5

      5412111268dd2c1fb1cf8697bfab9b6c

      SHA1

      16d0b289e83c74cb50a004edd7c5750ac706f321

      SHA256

      f3aa35be7048ddbf11fc581e5f9476745d75bcf097e121ba2915614e360a0cdc

      SHA512

      13fc5bf11faaf5471fde8a1bafdcc6d27521bad796e5e532c94d9c8232dd70088e70b6d5ac60c4c15d13e59926ac38e9a9e01b4dd4694a77d70bdd1ae7005ccf

    • memory/1256-31-0x00000000024A0000-0x00000000024A1000-memory.dmp

      Filesize

      4KB

    • memory/2284-35-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2284-21-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2284-2964-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2284-4159-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2904-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2904-18-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/2904-17-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/2904-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB