Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2023 22:38

General

  • Target

    05d6d24c4d8cb94b46e872777e1234d2.exe

  • Size

    821KB

  • MD5

    05d6d24c4d8cb94b46e872777e1234d2

  • SHA1

    3549cbfdc2762624a91388b43ddf7955744de774

  • SHA256

    a339d8b32f5ad16cffc15277c9db7e582febfd126be4766ef4138bc9b4ca7746

  • SHA512

    08072f214e702cf2172580aa384d3bf4d9d39b3a97843f895537ad5ba7211bb398ac59d62f0aede8c1b0846c55a5a7f87ff123b6cd7f4003e4173eb8e699060b

  • SSDEEP

    24576:QVE3KvgttOULSFrSrFiT5M2acjukL2CDYO:YE3KvAYuSFr8FiTa2acakLz0O

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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
  • 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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05d6d24c4d8cb94b46e872777e1234d2.exe
    "C:\Users\Admin\AppData\Local\Temp\05d6d24c4d8cb94b46e872777e1234d2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\05d6d24c4d8cb94b46e872777e1234d2.exe
      C:\Users\Admin\AppData\Local\Temp\05d6d24c4d8cb94b46e872777e1234d2.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2432
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\05d6d24c4d8cb94b46e872777e1234d2.exe" /TN QxutJGth3fd4 /F
        3⤵
        • Creates scheduled task(s)
        PID:2828
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN QxutJGth3fd4 > C:\Users\Admin\AppData\Local\Temp\7EcxgVFaX.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2712
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /Query /XML /TN QxutJGth3fd4
    1⤵
      PID:2944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Local\Temp\05d6d24c4d8cb94b46e872777e1234d2.exe

      Filesize

      577KB

      MD5

      9d1a8a7431535e67561272cec940daef

      SHA1

      9586ec663db98738726274992800b4501a47f3d9

      SHA256

      3540074d9786bdfef968629fef636c4d51297f2097c88adf12dcede8b8397e48

      SHA512

      fbb6c6b462e2dfef5d7f0567c6edcc3afad0b76a62f03025b9fe704c6a5a86403aa2ec774a2864ababe1ccd0c20cde0c7f7da408a273eb74e00690fe127e7383

    • memory/2088-2-0x0000000022E00000-0x0000000022E7E000-memory.dmp

      Filesize

      504KB

    • memory/2088-1-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2088-0-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2088-16-0x0000000000400000-0x000000000046B000-memory.dmp

      Filesize

      428KB

    • memory/2432-17-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB

    • memory/2432-27-0x00000000002B0000-0x000000000031B000-memory.dmp

      Filesize

      428KB

    • memory/2432-25-0x0000000000230000-0x00000000002AE000-memory.dmp

      Filesize

      504KB

    • memory/2432-24-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2432-52-0x0000000000400000-0x000000000065C000-memory.dmp

      Filesize

      2.4MB