Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 14:29

General

  • Target

    b587553762137b14ad6390d3a62a487917256cc6d66fdbd9310eddd131982454.exe

  • Size

    93KB

  • MD5

    25a4cfcb77a9f07052292cddc2b48bfb

  • SHA1

    8bbad1c6e7c53c0c6cac3ab3ed83b85d0cfd8479

  • SHA256

    b587553762137b14ad6390d3a62a487917256cc6d66fdbd9310eddd131982454

  • SHA512

    37f257cb5f2575389d44cebef2c1e97503c362338238e9047b697b4e202046a7f86c5724c3d16c228e1de3a8e3d8357d9a795a4f608778519615930129bcb7a8

  • SSDEEP

    1536:2HvaYzMXqtGNttyeiZnZLYm1nHB0UxMkzOt7HcvJGt5AdHIOWnToIf12Z9:2HvaY46tGNttyeQLYm1nhAWJGSCTBf1u

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 2 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 10 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\b587553762137b14ad6390d3a62a487917256cc6d66fdbd9310eddd131982454.exe
        "C:\Users\Admin\AppData\Local\Temp\b587553762137b14ad6390d3a62a487917256cc6d66fdbd9310eddd131982454.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:3048
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2060
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2572
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Local\Temp\$$aB3E4.bat
          3⤵
          • Deletes itself
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2076
          • C:\Users\Admin\AppData\Local\Temp\b587553762137b14ad6390d3a62a487917256cc6d66fdbd9310eddd131982454.exe
            "C:\Users\Admin\AppData\Local\Temp\b587553762137b14ad6390d3a62a487917256cc6d66fdbd9310eddd131982454.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3068
        • 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:2020
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1952
            • 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:2788
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2892

    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\$$aB3E4.bat

      Filesize

      722B

      MD5

      dadae10e610be5b42803e4b4c66d01b5

      SHA1

      6f8790ed0930f9bcce3daabd8c83b15829b38eba

      SHA256

      8c9287de3c3289170bf6c5d6fcaaffba831cccf47d692ae186524686ec84cdfc

      SHA512

      09e0adba5d559fba1bd51e6e5a7108e04b04ee94155af401e07fef703542d894d76dd2479706fb0b04744420438234ba6eea56c0812c19c0ba2b1f09a01b22ed

    • C:\Users\Admin\AppData\Local\Temp\b587553762137b14ad6390d3a62a487917256cc6d66fdbd9310eddd131982454.exe.exe

      Filesize

      60KB

      MD5

      ed0fde686788caec4f2cb1ec9c31680c

      SHA1

      81ae63b87eaa9fa5637835d2122c50953ae19d34

      SHA256

      e362670f93cdd952335b1a41e5529f184f2022ea4d41817a9781b150b062511c

      SHA512

      d90d5e74a9be23816a93490ed30c0aae9f7f038a42bd14aa2ce78e95967b4aabd848f006f00ade619c9976755658d45aa0f5b6d5babbbb2d59a6ed3a3a12ac6b

    • 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-1-5-21-3533259084-2542256011-65585152-1000\_desktop.ini

      Filesize

      9B

      MD5

      5412111268dd2c1fb1cf8697bfab9b6c

      SHA1

      16d0b289e83c74cb50a004edd7c5750ac706f321

      SHA256

      f3aa35be7048ddbf11fc581e5f9476745d75bcf097e121ba2915614e360a0cdc

      SHA512

      13fc5bf11faaf5471fde8a1bafdcc6d27521bad796e5e532c94d9c8232dd70088e70b6d5ac60c4c15d13e59926ac38e9a9e01b4dd4694a77d70bdd1ae7005ccf

    • memory/1208-32-0x00000000029C0000-0x00000000029C1000-memory.dmp

      Filesize

      4KB

    • memory/2020-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2020-36-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2020-2966-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2020-4160-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3048-23-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3048-18-0x0000000000350000-0x000000000038E000-memory.dmp

      Filesize

      248KB

    • memory/3048-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/3048-13-0x0000000000350000-0x000000000038E000-memory.dmp

      Filesize

      248KB