Analysis

  • max time kernel
    119s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 04:43

General

  • Target

    83bd4c82f7196a7face917002254a380N.exe

  • Size

    464KB

  • MD5

    83bd4c82f7196a7face917002254a380

  • SHA1

    f209e7c66df4d5d633ea9680747f8e9633760ac4

  • SHA256

    f1711fbc603919114f65736e3579f9a05ee0c1edede8e92cdac3fa5bb82d379a

  • SHA512

    437eaf5c9568cec9cf5c868b7b8ff145684d654a1f1ca4f8da4956a3125cc4370c78b757f098ac29c15f0e99862bfa00e1b406eba8afaaf1dcc16a63460d790b

  • SSDEEP

    6144:CHkWcDpi78KSrafqV5areuyFwBqgmGNGXN/O8OCLV0wbmztvchDVmKQQWLpYzLtF:CHlc87eqqV5e+wBV6O+tYtEVmKnWNY

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    PID:3424
    • C:\Users\Admin\AppData\Local\Temp\83bd4c82f7196a7face917002254a380N.exe
      "C:\Users\Admin\AppData\Local\Temp\83bd4c82f7196a7face917002254a380N.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:3976
      • C:\Users\Admin\AppData\Roaming\RdpSkill\fontdVol.exe
        "C:\Users\Admin\AppData\Roaming\RdpSkill"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3548
        • C:\Users\Admin\AppData\Local\Temp\~7EA6.tmp
          3424 475656 3548 1
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:940
  • C:\Windows\SysWOW64\icsu_isv.exe
    C:\Windows\SysWOW64\icsu_isv.exe -s
    1⤵
    • Executes dropped EXE
    PID:1844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\~7EA6.tmp

    Filesize

    8KB

    MD5

    86dc243576cf5c7445451af37631eea9

    SHA1

    99a81c47c4c02f32c0ab456bfa23c306c7a09bf9

    SHA256

    25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a

    SHA512

    c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4

  • C:\Users\Admin\AppData\Roaming\RdpSkill\fontdVol.exe

    Filesize

    464KB

    MD5

    29f23a11f3dea2e939240db959934acf

    SHA1

    670321bcf1d378a0bc06a4587c9470a1ef7fc467

    SHA256

    a610ef1f2fabf80303adf6de02afe71894381002da12bae993f00a8b581fadc4

    SHA512

    dfa2e71b7626414eb1f22407ad9f445be5031d2ce77e78388a55fb8095415b34f27997c1d8acddc61b9d87d86265bc0ec3b6824614efef94b89e40d091c86e47

  • memory/1844-12-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/1844-13-0x00000000007A0000-0x000000000081D000-memory.dmp

    Filesize

    500KB

  • memory/3424-20-0x00000000082F0000-0x0000000008374000-memory.dmp

    Filesize

    528KB

  • memory/3424-22-0x0000000002830000-0x0000000002836000-memory.dmp

    Filesize

    24KB

  • memory/3424-23-0x0000000002840000-0x000000000284D000-memory.dmp

    Filesize

    52KB

  • memory/3424-19-0x00000000082F0000-0x0000000008374000-memory.dmp

    Filesize

    528KB

  • memory/3548-6-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/3548-29-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/3548-14-0x00000000004F0000-0x00000000004F5000-memory.dmp

    Filesize

    20KB

  • memory/3548-11-0x00000000007E0000-0x000000000085D000-memory.dmp

    Filesize

    500KB

  • memory/3976-27-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/3976-0-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/3976-1-0x0000000000900000-0x000000000097D000-memory.dmp

    Filesize

    500KB