Analysis

  • max time kernel
    149s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:11

General

  • Target

    f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe

  • Size

    5.7MB

  • MD5

    4d713dadb00f207ac0750691e140d5df

  • SHA1

    b6edbb2627a450c69782025cfbe7b4bddf06680e

  • SHA256

    f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0

  • SHA512

    3fb9ab66efd24045c4a6980788aa36881bec0919e88198ecf4c6987a7ca2b49f900ca2bb0daa5f901ac011e1e1b377f00e98b7f5d6b51ff439600f43ff769587

  • SSDEEP

    49152:VBzVPv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dr:V/KUgTH2M2m9UMpu1QfLczqssnKSk

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 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 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 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3444
      • C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe
        "C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4848
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3124
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3616
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aD590.bat
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4916
          • C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe
            "C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe"
            4⤵
            • Executes dropped EXE
            PID:2108
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • 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:5048
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4576
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4520
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4248
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      583KB

      MD5

      947a60db2a42794d0901a22e4c7bfb56

      SHA1

      97bc341381e7b5880ae856fcc27ce1905d47b972

      SHA256

      bb80ce796ee128b6672a646c23a765db4b068103431f40a06eea323545b56849

      SHA512

      a5ed31c30bda0023156818d4c30b35083a7c0d82f14095ec525ae8e5fe9c1764e2dcc2cac60ffecaf5adace71243af40ba31785a822be002ba8ec194e4f2740b

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      649KB

      MD5

      3e7cc0550b3e262224a01196dcffca48

      SHA1

      84b97784946a4f4edc8528690aee26cff4a5c35d

      SHA256

      df205fe7ab5dd6c98547afe872f5b3bb66028f2cb14696fbc45610b0ef4723bf

      SHA512

      864943da2a29d2e8aaca17a10ed791f22b3387c85fe19c19dea1ab3b89b3d6540dbd187f867742967a696ba0b76ce6e576a2825cc9147d77ab79f3a4f2a4ab6a

    • C:\Users\Admin\AppData\Local\Temp\$$aD590.bat

      Filesize

      722B

      MD5

      ab6b03c04c1867adeb5f51b108bdae64

      SHA1

      ad120a9daecc5e67ed6b383c88b14f9e61bc4c0c

      SHA256

      bd335d09b8b7ddedf58da44ed488b006e854f8c9e28fa35d5aed418cc29e1361

      SHA512

      7986443c532af0bfe4b4a3806c11ad22d950f4a4300dee25c7ed9a164555efbebf6bd32e7cdc4a453b0b51bf0baf5fcb266d7c10becae8119ecd2454568a63ad

    • C:\Users\Admin\AppData\Local\Temp\f39fbb2293ecd37bbc772f10f1253e6242ac63b6cf6dcd66a7a05ce74ef8f9d0.exe.exe

      Filesize

      5.7MB

      MD5

      ba18e99b3e17adb5b029eaebc457dd89

      SHA1

      ec0458f3c00d35b323f08d4e1cc2e72899429c38

      SHA256

      f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

      SHA512

      1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

    • C:\Windows\Logo1_.exe

      Filesize

      39KB

      MD5

      abb9a80df3006b0d301bdc994ed2c37f

      SHA1

      30946837d9bf8c65151ef22dd27416249087de89

      SHA256

      00b8befe4eb2c186c359ff3d0ac5257c740d950037741e847eac917789e2a6e2

      SHA512

      dc8aea8d76ed69814651d734492e4d1c0f1d9236d4098fa7dae2bf76070338e96e4e1e316bdc77be06109b203b2b1f340fb820660ab82e04b3d7375504d577f1

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\_desktop.ini

      Filesize

      9B

      MD5

      82fa69b12ac2df558c85e86426eb13eb

      SHA1

      ad90b8756e3bebe04450f6950419c761844d7b7e

      SHA256

      f7622a3740b818722e46a36b5aeb1c0ba6bec25bec811e3dcfe0b5ba1d728775

      SHA512

      3c4da39d3b0d68ade3ff8ded69bf1e78a1ef88f7ed70c85572ae06e6be78155ffc2f557f577208e579191be2d8be2a1fa833b9ca74a35bb69cf9c32c23f4d99f

    • memory/4848-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4848-11-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/5048-8-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/5048-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/5048-3710-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/5048-8811-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB