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Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    14/09/2024, 02:14

General

  • Target

    f43f9585d1027b95044be41dc8a08ca70bd2c1e51fb82f812ba2a98e52763b55.exe

  • Size

    369KB

  • MD5

    fe14b8570ecb8f990a855db0e22c12c2

  • SHA1

    1f5bbad878929849b08c27b181e85feca4030346

  • SHA256

    f43f9585d1027b95044be41dc8a08ca70bd2c1e51fb82f812ba2a98e52763b55

  • SHA512

    7c8c67b19898f181ad1c8e71e788c96964aa16465822956bc6c035211ff2468f346cbbf3c9bc7aa3e807decc46b205c976cf90580e34553b0efbaa7e6e40dfde

  • SSDEEP

    6144:uB46tGdye41jzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:uB3NbVU66b5zhVymA/XSRh

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:1208
      • C:\Users\Admin\AppData\Local\Temp\f43f9585d1027b95044be41dc8a08ca70bd2c1e51fb82f812ba2a98e52763b55.exe
        "C:\Users\Admin\AppData\Local\Temp\f43f9585d1027b95044be41dc8a08ca70bd2c1e51fb82f812ba2a98e52763b55.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:2900
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • 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"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2600
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$a6B60.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2780
          • C:\Users\Admin\AppData\Local\Temp\f43f9585d1027b95044be41dc8a08ca70bd2c1e51fb82f812ba2a98e52763b55.exe
            "C:\Users\Admin\AppData\Local\Temp\f43f9585d1027b95044be41dc8a08ca70bd2c1e51fb82f812ba2a98e52763b55.exe"
            4⤵
            • Executes dropped EXE
            PID:2644
        • 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:2620
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2624
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3032
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2192
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:540

    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\$$a6B60.bat

      Filesize

      722B

      MD5

      59bf399395101cbac734357c08793c13

      SHA1

      4dd6d2c30b4240cd974323a194ddc641e9464a96

      SHA256

      b4c1ff19fe35935c0c21fa45a62098340e72cba8fec386fbbf5c9da23ffedc48

      SHA512

      cfd36988d5f4b9d6219d4ba4dd06e2167d4ae26b1198072178929a9b58deb51b71241c8e7573b9eb190a40ca9165de5c5c423523a280e9307d750f7d86ba5ca9

    • C:\Users\Admin\AppData\Local\Temp\f43f9585d1027b95044be41dc8a08ca70bd2c1e51fb82f812ba2a98e52763b55.exe.exe

      Filesize

      335KB

      MD5

      40ac62c087648ccc2c58dae066d34c98

      SHA1

      0e87efb6ddfe59e534ea9e829cad35be8563e5f7

      SHA256

      482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

      SHA512

      0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

    • 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-1-5-21-3434294380-2554721341-1919518612-1000\_desktop.ini

      Filesize

      9B

      MD5

      e2a14c19421b289cbd51a76363b166bd

      SHA1

      5d0621d68da5a444f49c090b0725c7044d47fdb7

      SHA256

      844af243be560dc4e478aa7ea28f4959f9df45f204006bade7ae52398d651835

      SHA512

      8c49bec05605c4d2b8f07f00a7a39e70f5bd4f7c84ba221c615447f947053bf3bb0496c38e2bf8b15235c493cc5a0b41f34285fed1adb4c13572f25b67e178e5

    • memory/1208-31-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

      Filesize

      4KB

    • memory/2620-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2620-35-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2620-2536-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2620-4157-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2900-17-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB

    • memory/2900-21-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2900-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2900-13-0x0000000000230000-0x000000000026E000-memory.dmp

      Filesize

      248KB