Analysis

  • max time kernel
    146s
  • max time network
    150s
  • 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 04:49

General

  • Target

    677263265cc525cfd549134dcbd89ac8.exe

  • Size

    133KB

  • MD5

    677263265cc525cfd549134dcbd89ac8

  • SHA1

    64d2a11e38fc04bb9ef6bb59d1d47c563196ccee

  • SHA256

    e351dc5187e624ada105df7b86e97509ab58067ba7219cca84ab7a4404951efc

  • SHA512

    9a1380c93fbf5e722f6331788d8288b0eaeede645b1cead924001c88308e186655e65bcc0fabdbee545ea898e8f9f492a3513a488f7b404c0ff594bb0d2e0f11

  • SSDEEP

    3072:j8feB6y3E/coPZ+ZyKwILqIYoGX0k0s6eZGacBNnUw/5Q:j6eB5E/cvwKwILqIYoGXB6QGacBz/5Q

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\677263265cc525cfd549134dcbd89ac8.exe
    "C:\Users\Admin\AppData\Local\Temp\677263265cc525cfd549134dcbd89ac8.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Users\Admin\AppData\Local\Temp\677263265cc525cfd549134dcbd89ac8.exe
      C:\Users\Admin\AppData\Local\Temp\677263265cc525cfd549134dcbd89ac8.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\677263265cc525cfd549134dcbd89ac8.exe

    Filesize

    133KB

    MD5

    dc3b9f0e1a9d795a3698086fa40d50c3

    SHA1

    d37fb015cd5b56d62f33dec8fc5cb8d49fd64998

    SHA256

    b37c4c455150049f9e312576b238cd9b78233861f11275aac5ddf0fbb33e3421

    SHA512

    bf9a865ae934ae5ca3e73a8f3f30fde01bb163267500026b0e719c299fd36f4686c622f7b0f6792370956c36fb5d8c1bd839365efb9251404a1ebb5217d88c0d

  • memory/1156-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1156-1-0x00000000001D0000-0x00000000001F1000-memory.dmp

    Filesize

    132KB

  • memory/1156-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1156-13-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1916-15-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/1916-17-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1916-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB