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Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 13:29

General

  • Target

    8c715b595c817d0329225d6ac38f589c.exe

  • Size

    1.4MB

  • MD5

    8c715b595c817d0329225d6ac38f589c

  • SHA1

    7f4fd357056b846cf0ba7d27af3b9cbb59f18fa9

  • SHA256

    e46615f5b0889ce0e5ad823d3d9ac0cb096765ce42c57d48ab33a85d341ad1e0

  • SHA512

    9da7288367be001fd951335841d8ded0d1bcf41c15a41dae521cf28c30bfd080121f7899885bca06dd34f2679dd9d94d521a147ca482d1cf52a6c9c68f27c9e4

  • SSDEEP

    24576:wL0mqdRkD33/hnheiisfPxREPu3sjleyqULE1XOu6JPX3Jmj:wolODnreAfJREze7/XOdpnU

Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c715b595c817d0329225d6ac38f589c.exe
    "C:\Users\Admin\AppData\Local\Temp\8c715b595c817d0329225d6ac38f589c.exe"
    1⤵
    • Checks computer location settings
    • Maps connected drives based on registry
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Program Files\Internet Explorer\services.exe
      "C:\Program Files\Internet Explorer\services.exe"
      2⤵
      • Drops file in Drivers directory
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4196
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c net stop "Security Center"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5072
        • C:\Windows\system32\net.exe
          net stop "Security Center"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1824
          • C:\Windows\system32\net1.exe
            C:\Windows\system32\net1 stop "Security Center"
            5⤵
              PID:4748
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\FirewallControlPanel.dll,ShowWarningDialog "C:\Program Files\Internet Explorer\services.exe"
      1⤵
      • Modifies registry class
      PID:4844

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Internet Explorer\services.exe

      Filesize

      1.4MB

      MD5

      8c715b595c817d0329225d6ac38f589c

      SHA1

      7f4fd357056b846cf0ba7d27af3b9cbb59f18fa9

      SHA256

      e46615f5b0889ce0e5ad823d3d9ac0cb096765ce42c57d48ab33a85d341ad1e0

      SHA512

      9da7288367be001fd951335841d8ded0d1bcf41c15a41dae521cf28c30bfd080121f7899885bca06dd34f2679dd9d94d521a147ca482d1cf52a6c9c68f27c9e4

    • C:\Program Files\Internet Explorer\services.exe

      Filesize

      925KB

      MD5

      33782b9fd123881c21dc56a4cc07c3ae

      SHA1

      05cc7d21bc15bab843697b1471cda97dce17610d

      SHA256

      44db9181293c9780d8618fc4bde48c93e9434e0324cb20dd660b04c757a59d83

      SHA512

      cb1bd816ea2cae9ebd68122fca1f299a8fbc2481fde97e5bfdc0456b722e8baf9738acf567cfae8962844ddcce5c069a9c4b8432db98b510e78907ff049d6710

    • C:\Program Files\Internet Explorer\services.exe

      Filesize

      650KB

      MD5

      622328cba93f08605f2c88f8d5c4393e

      SHA1

      6f2de906b90163b261719de7e06feb3a274e5220

      SHA256

      3d200780b1ca6518ce1039bef37712efee8287cf968f40022db446f6089f56e9

      SHA512

      487f71233a397487a26ade53020f600c46bfa09efc8e48f6ddcae93583ea30260bdcd2c41891219800e05c029dc113e23c89e8d042ba9495320860c8ad95ce92

    • memory/4056-8-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

      Filesize

      64KB

    • memory/4056-2-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

      Filesize

      9.6MB

    • memory/4056-5-0x000000001B710000-0x000000001B7AC000-memory.dmp

      Filesize

      624KB

    • memory/4056-6-0x0000000000D60000-0x0000000000D68000-memory.dmp

      Filesize

      32KB

    • memory/4056-7-0x000000001B8E0000-0x000000001B92C000-memory.dmp

      Filesize

      304KB

    • memory/4056-0-0x000000001B5A0000-0x000000001B646000-memory.dmp

      Filesize

      664KB

    • memory/4056-3-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

      Filesize

      64KB

    • memory/4056-4-0x000000001C360000-0x000000001C82E000-memory.dmp

      Filesize

      4.8MB

    • memory/4056-1-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

      Filesize

      9.6MB

    • memory/4056-22-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

      Filesize

      9.6MB

    • memory/4196-23-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

      Filesize

      9.6MB

    • memory/4196-24-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

      Filesize

      9.6MB

    • memory/4196-26-0x000000001FA20000-0x000000001FA82000-memory.dmp

      Filesize

      392KB

    • memory/4196-29-0x000000001E400000-0x000000001E500000-memory.dmp

      Filesize

      1024KB

    • memory/4196-30-0x00007FFC36160000-0x00007FFC36B01000-memory.dmp

      Filesize

      9.6MB