Analysis

  • max time kernel
    149s
  • max time network
    119s
  • 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

    b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe

  • Size

    672KB

  • MD5

    7b08da8947df9057718484434a6a637c

  • SHA1

    e80822f71ee884192a360d294b1ecdae341b67a2

  • SHA256

    b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91

  • SHA512

    735230e158f6bcaf6b86652a196708b946cc6c3e3674092b226e7ca2a44bc8e0772e0cc639e993a557ee25e88d7c3979cda5d9f6d5f39a6ef764f446eff0a0ef

  • SSDEEP

    6144:V+azbRZvSC9LRU0ySj14WH+JPb7uL8zRMnJjNhAp7SO8zRMnJjNhAp7S8FRcdEKw:V+azbvnPFlTz

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 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:2992
      • C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe
        "C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2948
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1284
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4168
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8695.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1616
          • C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe
            "C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe"
            4⤵
            • Executes dropped EXE
            PID:3772
        • 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:3424
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3572
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4148
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1576
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4984

    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\$$a8695.bat

      Filesize

      722B

      MD5

      942ffe4489ef823e6b8b314db2c4b4e2

      SHA1

      93aae63051b7a2dc239d3aa71f56eaec4ae44ad8

      SHA256

      4dc191d9a176285807f43fc91ca706c0625a867408aefa86c0e870e42a1540ed

      SHA512

      d8e3ce4c499fd6046d4aa19de76e047b22508dd1233046a289787c0d716367d3714c1920526b3c16484363fc6cf9244216924c94ccd3f633fb2de6468bd5c86d

    • C:\Users\Admin\AppData\Local\Temp\b95ff9cfd84e5e53cad29b1249f7fdb874e73257a0d628af7728200c4a54dd91.exe.exe

      Filesize

      633KB

      MD5

      2e0d056ad62b6ef87a091003714fd512

      SHA1

      73150bddb5671c36413d9fbc94a668f132a2edc5

      SHA256

      cb83f04591cc1d602e650dd5c12f4470cf21b04328477bd6a52081f37c04bd7c

      SHA512

      b8e920f8b7547aec6f5771e3e6119b01157e5e36a92c67142b0d73ffe0d501d933581e1fc752e5bba9ce819e3897be9c146bebfc0018e91318b0c99d188a2580

    • C:\Windows\Logo1_.exe

      Filesize

      39KB

      MD5

      abb9a80df3006b0d301bdc994ed2c37f

      SHA1

      30946837d9bf8c65151ef22dd27416249087de89

      SHA256

      00b8befe4eb2c186c359ff3d0ac5257c740d950037741e847eac917789e2a6e2

      SHA512

      dc8aea8d76ed69814651d734492e4d1c0f1d9236d4098fa7dae2bf76070338e96e4e1e316bdc77be06109b203b2b1f340fb820660ab82e04b3d7375504d577f1

    • F:\$RECYCLE.BIN\S-1-5-21-786284298-625481688-3210388970-1000\_desktop.ini

      Filesize

      9B

      MD5

      82fa69b12ac2df558c85e86426eb13eb

      SHA1

      ad90b8756e3bebe04450f6950419c761844d7b7e

      SHA256

      f7622a3740b818722e46a36b5aeb1c0ba6bec25bec811e3dcfe0b5ba1d728775

      SHA512

      3c4da39d3b0d68ade3ff8ded69bf1e78a1ef88f7ed70c85572ae06e6be78155ffc2f557f577208e579191be2d8be2a1fa833b9ca74a35bb69cf9c32c23f4d99f

    • memory/2948-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2948-10-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3424-8-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3424-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3424-3470-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3424-8752-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB