Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 18:18

General

  • Target

    38b6bdb203f62e238ea881ebf68ce7a0f0392bd1e4f24ac833336788118cba24.exe

  • Size

    2.7MB

  • MD5

    9582d1056e9446b70745b23e1815749f

  • SHA1

    49b46b339f00c7f5a49ad5154c85da1aaf95713e

  • SHA256

    38b6bdb203f62e238ea881ebf68ce7a0f0392bd1e4f24ac833336788118cba24

  • SHA512

    4a210f2709c748e555a3492f090ca696d69b3042f99cc2db9f541e80e59858542625be4aade09d0152aaf892a9207fcb4ae675de8deea8878f6ff3d96255a2e9

  • SSDEEP

    49152:+R0p8xHycIq+GI27nGroMPTJPer1c2HSjpjK3LB29w4Sx:+R0pI/IQlUoMPdmpSpg4

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38b6bdb203f62e238ea881ebf68ce7a0f0392bd1e4f24ac833336788118cba24.exe
    "C:\Users\Admin\AppData\Local\Temp\38b6bdb203f62e238ea881ebf68ce7a0f0392bd1e4f24ac833336788118cba24.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin`EttHexe`Vseqmrk`Qmgvswsjx`[mrhs{w`Wxevx$Qiry`Tvskveqw`Wxevxyt`ecaopti.exe
      C:\Users\Admin`EttHexe`Vseqmrk`Qmgvswsjx`[mrhs{w`Wxevx$Qiry`Tvskveqw`Wxevxyt`ecaopti.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4652
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ipconfig > C:\Users\Admin\ipconfig.txt
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2728
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig
          4⤵
          • Gathers network information
          PID:4260
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c netstat -a > C:\Users\Admin\netstat.txt
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4604
        • C:\Windows\SysWOW64\NETSTAT.EXE
          netstat -a
          4⤵
          • Gathers network information
          • Suspicious use of AdjustPrivilegeToken
          PID:4164
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c dir C:\*.txt /b /s >> C:\Users\Admin\grubb.list
        3⤵
          PID:4432
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c dir C:\*.doc /b /s >> C:\Users\Admin\grubb.list
          3⤵
            PID:1792
        • C:\UserDotVO\adobsys.exe
          C:\UserDotVO\adobsys.exe
          2⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:3552

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\LabZBX\dobxsys.exe

        Filesize

        2.7MB

        MD5

        a4c35a67091fbb52592c72257a2c7d06

        SHA1

        234bd60f0a02e14ffe389f640f29c538ce3eec7f

        SHA256

        ec538bd8d69c09453bc140908571cd912f0cc67ea6e9d98a53b13ceec77ae201

        SHA512

        8f9949293ebef16a86ffe546cf43ed870f0b262d8459148762d7e7bbf5d6245a136ad302c30b1291d7d62c9683072f74042d4c08a28d182726d9dfb0839b904c

      • C:\LabZBX\dobxsys.exe

        Filesize

        1.2MB

        MD5

        93f54cbd6c37ff9da89d7ff5132abbb5

        SHA1

        194ce37fd0132456a95962778a81c7aba783c945

        SHA256

        8fb575f4b369624829db92dbfe3854311e7343bea72c78303fcacab40c843c90

        SHA512

        7253f75034f7cc42e010cae04e9445715b1102456a27258384e9f2f6a3f444fabd779218ae027066b38d13519aa391a36be0c69f4f1cf763d71266e5db44052e

      • C:\UserDotVO\adobsys.exe

        Filesize

        2.7MB

        MD5

        2ef2c1e59f056b95d2d5c549ee5139b5

        SHA1

        2f7219fac4feca254701898cf9cdbdb9b6261890

        SHA256

        3eccd48a201fe74a8c12084dc2d7e19c0429545deaee62cdd85ca22ea2f2b88c

        SHA512

        ec34a4fdd8be4be4499597e02df499dc1c76a2de76a788cff38996e921099bc9ad0cbe2836aade2c9db15c6e2f87792d6fc49255c163b7cf607d537741a9bd72

      • C:\Users\Admin\253086396416_10.0_Admin.ini

        Filesize

        202B

        MD5

        6ff892e6dae8ac97b6fa34c9c6047a70

        SHA1

        4deb2c7ef58b273bbdf3e3576d2215b3a7d7e20d

        SHA256

        48d643137b1013d33fd94e67a9c1465a1581c1485e50e3579cfa6e25406e267f

        SHA512

        a3287caf582706e91a2c2f6c8a9a447690c863ab35302d1eb57ba4834293557ceea19aae82324c48c1afde8d405545f77f09bb80991bec02f69b2668f8d53095

      • C:\Users\Admin\253086396416_10.0_Admin.ini

        Filesize

        202B

        MD5

        f79c7841eb0eda5f39c5816fdf85665c

        SHA1

        6f5fe0e221cec8571b4c42b3ac42c0fb1fb91cd2

        SHA256

        5d774971a7192a30f89dd12e818d1b66abf2673c66c20f706b5442f193e391d0

        SHA512

        99cd17fad9fab204fbb02abd003621c68efd0a2fc52ae29913e5d743d8744cf9a9a1e4dfebef354a3e4867565b6e1eebd03f24ac3d4eab53f278d3787eedd47d

      • C:\Users\Admin\grubb.list

        Filesize

        40KB

        MD5

        6c3e5e3ac301582f78d4a0c264ad6fc4

        SHA1

        d34c46783fff21da53f4e729ebcf0d1dba6240da

        SHA256

        0c0926401431e392046361c407832eb9ebf65b9a970c66909a6738beed7c5a66

        SHA512

        6c26f7e88f3ccfbff8ecc606dfffc0c614f3575dfa3cf84a5e34dd7a01e3e80e1298c428ad01e21d7286c586371f566c28dc3b22c2d41b1a2b1f72e930fffe94

      • C:\Users\Admin`EttHexe`Vseqmrk`Qmgvswsjx`[mrhs{w`Wxevx$Qiry`Tvskveqw`Wxevxyt`ecaopti.exe

        Filesize

        2.7MB

        MD5

        282347b895e38026713b3307c16b8300

        SHA1

        c6be6f81d830044f0066789fcbd24e6f723aff5b

        SHA256

        cbd59decf2480f2fe8cf288b81eb611fe10e4822cfda4f4e5e5656bc043c65d3

        SHA512

        e1d7c911b39411e1863ca51fe51663288aabde6b7220eba512834423f2069d493337563f20355229291f3df96f1eec61b9c0083565898ac01aaa8c08947415ef