Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 13:28

General

  • Target

    1a065f2f5a1d26e82d80785653f8a374.exe

  • Size

    133KB

  • MD5

    1a065f2f5a1d26e82d80785653f8a374

  • SHA1

    5e94b19a6e5931dcb7a94685fe14cac889719b80

  • SHA256

    208601270d3e6e98a2af1a73739688fc33e91228a23287524e46c51673272c42

  • SHA512

    496a392d82391417ab5911ccf950dd6b189f77f12e0276bf43922a4b2077d2becd703eaf1a412ba604d63124943d260eb9ad39dcf8804a1c73ef90c720ee6687

  • SSDEEP

    3072:oFWLg1ohAtOkZK/5O3K3KxZUiLvryekb2E3EOepOBW/7TXwQ:4WLLGtsI3ZxZJyezE0OofPwQ

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.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a065f2f5a1d26e82d80785653f8a374.exe
    "C:\Users\Admin\AppData\Local\Temp\1a065f2f5a1d26e82d80785653f8a374.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4148
    • C:\Users\Admin\AppData\Local\Temp\1a065f2f5a1d26e82d80785653f8a374.exe
      C:\Users\Admin\AppData\Local\Temp\1a065f2f5a1d26e82d80785653f8a374.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1a065f2f5a1d26e82d80785653f8a374.exe

    Filesize

    133KB

    MD5

    e2ddc44c21a5f116178873fc94f836aa

    SHA1

    3bbcf0bcb869b0a123c9b2a303ca95a56f452626

    SHA256

    4c9fd4894d94eb95884f63a02a8a0b0990df40f06978abd801dda0662376e2fe

    SHA512

    17e103d99cba8bcdefb0a75f895699e5a9619d2d6c77b38a1d4e4ff186258c2340cf079352e542040fe8b55adae4059c65f698310de24e30b096e0e4aece6f81

  • memory/4148-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4148-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/4148-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4148-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4484-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4484-17-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/4484-16-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4484-32-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB