Overview

overview

10

Static

static

3

81cd411640...18.exe

windows7-x64

10

81cd411640...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 21:33

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General

  • Target

    81cd411640d9a3b79351fa968563076b_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    81cd411640d9a3b79351fa968563076b

  • SHA1

    f8c86f4f78d111d566675e712ac5d260e90aa7bf

  • SHA256

    487f8d77539869208471f223dfb44d4f383d50b721fb3a40a455eec18291fd28

  • SHA512

    77089f9dafd23b02718670c36ea0ae0af62c9b1ea33416e611707a6b98444f5e7dd064c2db771cd5216b3d457448e15d2daad88cae60f4dfbbcb2495b6894f25

  • SSDEEP

    1536:BZEShwRUuBxeDtMYHa27J14ltxporZ45igPNeG0hm:vEShwRUkeV6gJ1uCt45VIm

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • 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 52 IoCs
    persistence
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\81cd411640d9a3b79351fa968563076b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81cd411640d9a3b79351fa968563076b_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:4856
    • C:\Users\Admin\liuiri.exe
      "C:\Users\Admin\liuiri.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:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\liuiri.exe
    Filesize

    124KB

    MD5

    eee441e80ca56ebad8187104fc37551f

    SHA1

    49bc51390b69d0190bbbb05cfd4ceceee64d844a

    SHA256

    5d425e2a33343674d5c8dae15cd689b56848c59b46eff9309cc9748522eeaa7b

    SHA512

    8abb4d6be35a6e64ceb99e0e9095fd3602ed1afcde3fd619522105664ad26237bdbe7bef038d3eb7fac10f3bca80c25045222d4a9148f4b94e912dc1254025a2

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