Analysis

  • max time kernel
    121s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2024, 15:28

General

  • Target

    42dc5904a65039d984413264f959ed93_JaffaCakes118.exe

  • Size

    135KB

  • MD5

    42dc5904a65039d984413264f959ed93

  • SHA1

    9ed3fd190c885950940835d5d3358bfbba49fb5f

  • SHA256

    f2834168f0218bacab0420bd7892eb2d5d6b8121e6e3b21e5954639d4653efde

  • SHA512

    ba998d3043b4bc5ede162dabf8db33e17f877731791590f5d77313d35a132f03350a5aeab2765f83a7e9252319e7cb185680f0c97e0863a69b24e5fed426ff50

  • SSDEEP

    3072:Sf/kwkTZRvkJqX+dEU/HoSvjnohTJr6rDbwq6:S+eF/jjnt3bv6

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42dc5904a65039d984413264f959ed93_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\42dc5904a65039d984413264f959ed93_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\system32\regsvr32.exe" /s "C:\Program Files (x86)\Common Files\PushWare\cpush.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Common Files\PushWare\cpush.dll

    Filesize

    192KB

    MD5

    6856fa48e664439527355f8708eba390

    SHA1

    c20621191bb125641ef17f6a8162ed8c33a654a4

    SHA256

    7b6c42d05c8beba19225014d88abce841f9533b91280734b6e155e7dbd9d41d5

    SHA512

    a656836743f94850e08569123f144df996195f35e12f7cfe6f0351ad0acf36363f59525513f9be29a62872e3a181d0291bc95b4ac26f4381812b5b7130105d09