Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8d9456fd22241ef3af2c7cefb1d164a.exe
    "C:\Users\Admin\AppData\Local\Temp\c8d9456fd22241ef3af2c7cefb1d164a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1320
    • 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:1308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    133KB

    MD5

    fa4c5b8afa2042cdd4d1d2848fe4c2bb

    SHA1

    3d747c31277bb2b38b347cb7c2af2c7d26fb88f9

    SHA256

    8de468bc17876441d5919bbac44ad55261990c13af64e8a18347efde69fcd24b

    SHA512

    a6d74d0e259e99624a58c1dcbbad606a0cc43c6c16c72435ed18f0b2f0df02f88d59aedfd30adbccaf668cead96c935eea25d0829c7bd570de467635697243d3

  • memory/1308-19-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1308-21-0x00000000001F0000-0x0000000000211000-memory.dmp

    Filesize

    132KB

  • memory/1308-42-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1320-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/1320-2-0x0000000000150000-0x0000000000171000-memory.dmp

    Filesize

    132KB

  • memory/1320-1-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/1320-15-0x0000000001490000-0x0000000001516000-memory.dmp

    Filesize

    536KB

  • memory/1320-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB