Analysis

  • max time kernel
    136s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2024 21:44

General

  • Target

    7b5ba990dae557a3db4b72f91120016a.exe

  • Size

    133KB

  • MD5

    7b5ba990dae557a3db4b72f91120016a

  • SHA1

    18aa93d15c932517cb75dd8735a0b4c44ad5c26f

  • SHA256

    33a35efbe8c47954c0051416f6668c304744bfa3c18293ce78d58ab3d47b3cba

  • SHA512

    bc86bec0587c3c7aeb04e27a96438ca05ea1aca956a3aded886b92fc3273a3e888b15328b81e901554023cf9a7b420ba9c942d3eec4e4a3f50846b6f61d330b3

  • SSDEEP

    3072:19ZzklN2EAX57AomIWChLgzorABkHR3SVNkXjix+ZCA9lQQ:HZzQAX57Fm9CWorACHRkX5A9lQQ

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\7b5ba990dae557a3db4b72f91120016a.exe
    "C:\Users\Admin\AppData\Local\Temp\7b5ba990dae557a3db4b72f91120016a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Users\Admin\AppData\Local\Temp\7b5ba990dae557a3db4b72f91120016a.exe
      C:\Users\Admin\AppData\Local\Temp\7b5ba990dae557a3db4b72f91120016a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\7b5ba990dae557a3db4b72f91120016a.exe

    Filesize

    133KB

    MD5

    cfdf5349192f3a04fd4a6af7435e1442

    SHA1

    29331b3a17e3eb282589dddf4e347dfdab641fa7

    SHA256

    762551fa4203f721d281a93cc0c42fcd4aad4ae89deacdc247ce0ecc0371c641

    SHA512

    e2d749c6baecc7f371d0ee0e21f2c525b2e2424285fdaa6922d216e3194a8a0ed7c9f6bf462765cf7b403934c6ad70d092d38c7ec49b3a61c8c8196feec2c11f

  • memory/1020-14-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1020-16-0x00000000000D0000-0x00000000000F1000-memory.dmp

    Filesize

    132KB

  • memory/1020-33-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4392-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4392-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/4392-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4392-15-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB