Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 17:31

General

  • Target

    a79278f110692d11d7e45d8b32bef516_JaffaCakes118.exe

  • Size

    204KB

  • MD5

    a79278f110692d11d7e45d8b32bef516

  • SHA1

    39f73d519d2ba6cc93c21f0b7c829e37c970b41a

  • SHA256

    5f44d14083bb1ebdc00b52ba0d9b6df325a498c106ba1302c550610a1a32a7f3

  • SHA512

    02356fb73f3f011fb4c56c43dc93e53ab32ed4b89ee878a1c5eb722d8172e18e2b123e94583ec78abbb64c1ef2d1d9fb997c577890114ea8373bcfa42fc7688a

  • SSDEEP

    3072:hmIW8FvI0tQ9nLHbB9W0c1TqECzR/mkSYGrl9ymgYUWVFu:4dSA4QxL7B9W0c1RCzR/fSmluA

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a79278f110692d11d7e45d8b32bef516_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a79278f110692d11d7e45d8b32bef516_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4272
    • C:\Users\Admin\noiirih.exe
      "C:\Users\Admin\noiirih.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\noiirih.exe

    Filesize

    204KB

    MD5

    aa6592465c488a0299135d948670b215

    SHA1

    8c77434e2af481a7c8848dd891c96f7894fa7f0d

    SHA256

    c45d5f9981215fdcc280b4da7dbd93a88e952dd32dc89a6b861b8cbea7e4c6a6

    SHA512

    a1da6384ecc6f5a9c1cd2675851de44be1a33be7622bd065cf1f17b1bc75be37956f7908d424e884418a80a571f1407cec0252c1002dce2589fdce32a2f125d7