Analysis

  • max time kernel
    138s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 12:48

General

  • Target

    8e1945584171391605fb2082625e2fdf.exe

  • Size

    133KB

  • MD5

    8e1945584171391605fb2082625e2fdf

  • SHA1

    bd4f0b07e613186d7d7ecb93b5c23a8eff84faf6

  • SHA256

    1bbc86839f91845c7d98bba5d168a012fc1d64061679c2bbeea35bf6432a0637

  • SHA512

    b2624daacc82496a1128898f9a471a9ad1cdf1acd823a955113d8f701c3b598b847a011422ca3897c46d00e73f09db0269d431fab8184c56ab28f0fbc9101652

  • SSDEEP

    3072:mN/tMbjfJD1oeP075yv9hGNelMjAs6NXWu285TdiEOBnSQ:mVtMffthq5yv2eaj16Nm+5T0EnQ

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 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\8e1945584171391605fb2082625e2fdf.exe
    "C:\Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe
      C:\Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\8e1945584171391605fb2082625e2fdf.exe

    Filesize

    133KB

    MD5

    bcb5ab5951865b77b65244feab288d3a

    SHA1

    d0dcbfbf5ca1dc59e956bfc016f7cba06ad164ff

    SHA256

    14e79be76f3aed92c78499f8d865e6a00271312278fb0baeb3fd9daee9755c1a

    SHA512

    6634ed640e32ceb45fdeb26e57ae52aaffcdb568d533c56218cb9a82c34e91defc80765feaf7eaa77373ba2a83427b060ab948a824d0b2a2db3744416b837408

  • memory/3988-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3988-1-0x00000000000F0000-0x0000000000111000-memory.dmp

    Filesize

    132KB

  • memory/3988-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3988-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4476-17-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4476-15-0x0000000001560000-0x0000000001581000-memory.dmp

    Filesize

    132KB

  • memory/4476-30-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB