Analysis

  • max time kernel
    124s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2024, 12:48

General

  • Target

    97302a4018355bc712b7dde443b8319a.exe

  • Size

    3.9MB

  • MD5

    97302a4018355bc712b7dde443b8319a

  • SHA1

    17f1f65f6124f6ce078eca902727e52252863aa5

  • SHA256

    23873ccec34decfe261716022afd565b0d03ad4e8ce847789740d05768ebb317

  • SHA512

    569d27e7fd84fb12b24b50d8518e52fa3dfd7da4d2d9eef2dda1318bdc70c34f066bde8d458c340260140f95904a4412c92f206e8c4f62864fb49123388b75ef

  • SSDEEP

    98304:PbXdTMlyDdKrUr0wQyZ2lAqoZzAQ9qoFGDdKrUr0wQyaQCR1HoG2UVxDdKrUr0we:Ldwlypvr0Z6zAQEpvr0rXZkUVxpvr0Z8

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe
    "C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe
      C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3716
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe" /TN 1WOV8tOcae1c /F
        3⤵
        • Creates scheduled task(s)
        PID:2556
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 1WOV8tOcae1c > C:\Users\Admin\AppData\Local\Temp\K4zi9bL.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:908
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 1WOV8tOcae1c
          4⤵
            PID:3056
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 700
          3⤵
          • Program crash
          PID:5020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3716 -ip 3716
      1⤵
        PID:4060

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\97302a4018355bc712b7dde443b8319a.exe

        Filesize

        613KB

        MD5

        6e1cc8ba2d0aa9a707806639be8d6c3f

        SHA1

        52a74d5a8d7e84330a681d6ac57227046ad785b6

        SHA256

        dc54994b2b90555cc0ae4def1c25e9cc87ca9617df09256aaab6cca6efffaa01

        SHA512

        60c0a6faa983cb5b327d557e56c8944291fdeead3ecc5bdb2cb9f754a0086c77e4662b8854ea05e5e291e68037f2a45b45a4d9d8091d83231dbf420bf1d67c31

      • C:\Users\Admin\AppData\Local\Temp\K4zi9bL.xml

        Filesize

        1KB

        MD5

        182a5d6550ed20474618bb10fca9d8b7

        SHA1

        9d363785972666801a7f44ef610d8212c9df421a

        SHA256

        6f2bbb7fdd5980a02274614cdfa82f3329348eb4a311d7e155787f4d0e3fc20f

        SHA512

        88bc8fcf39064db1b1902dc4a1fbaa6215eb97083b36da393c3eb2801023ddd74fd764e78539afeb6b4201f4c6f5a12a74aac84c3236782583653a3373efd689

      • memory/960-0-0x0000000000400000-0x000000000065C000-memory.dmp

        Filesize

        2.4MB

      • memory/960-1-0x0000000000400000-0x000000000046B000-memory.dmp

        Filesize

        428KB

      • memory/960-4-0x0000000001660000-0x00000000016DE000-memory.dmp

        Filesize

        504KB

      • memory/960-13-0x0000000000400000-0x000000000046B000-memory.dmp

        Filesize

        428KB

      • memory/3716-14-0x0000000000400000-0x000000000065C000-memory.dmp

        Filesize

        2.4MB

      • memory/3716-17-0x00000000016F0000-0x000000000176E000-memory.dmp

        Filesize

        504KB

      • memory/3716-22-0x00000000004B0000-0x000000000051B000-memory.dmp

        Filesize

        428KB

      • memory/3716-23-0x0000000000400000-0x000000000045B000-memory.dmp

        Filesize

        364KB

      • memory/3716-40-0x0000000000400000-0x000000000065C000-memory.dmp

        Filesize

        2.4MB