Analysis

  • max time kernel
    92s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 14:43

General

  • Target

    c8d9456fd22241ef3af2c7cefb1d164a.exe

  • Size

    133KB

  • MD5

    c8d9456fd22241ef3af2c7cefb1d164a

  • SHA1

    f3341f78ff987168ca607a6daa5cc133b9517a3c

  • SHA256

    699c1c0bc996164b45dee402b423de9404b3779d4d0caffaf1fa1289687f3938

  • SHA512

    5612fd985b3750eabe2e1cef74c3748afc475c6d9569090d36620aa2b4cb51ee6fb0dcdfd527d5976a72a5a7697c3115d5f908f30dbc5c94251fe7af3576cb43

  • SSDEEP

    3072:8Op+B9KjfEsY7QCXahCC+ajDxCwa2rVbVnYGBmK6fsw/0npLdU2ltp9SV7Q:BMuf/Y75zC+aPUl6ZVYDnUW2llSV7Q

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\c8d9456fd22241ef3af2c7cefb1d164a.exe
    "C:\Users\Admin\AppData\Local\Temp\c8d9456fd22241ef3af2c7cefb1d164a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Users\Admin\AppData\Local\Temp\c8d9456fd22241ef3af2c7cefb1d164a.exe
      C:\Users\Admin\AppData\Local\Temp\c8d9456fd22241ef3af2c7cefb1d164a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\c8d9456fd22241ef3af2c7cefb1d164a.exe

    Filesize

    133KB

    MD5

    492c808fbfbcb72d5557129c18500cea

    SHA1

    5b7948599f1798aba61a2d27eb55534e169dafea

    SHA256

    a5faa98fde4c2b73434b78d87c97f8d96bc0971b2a5a2a979cac118abbe40e98

    SHA512

    25d5de5e88d22e6c275444840a3cbc35d3e7edca4e4ea9e45b1647fa4b6bfefad93349318258478dd31b0f9ffe036a372f00d2d5dd96c57bdc8a39677945c3ce

  • memory/224-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/224-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/224-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/224-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3724-16-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/3724-18-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/3724-33-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB