Overview

overview

10

Static

static

3

a8937459ce...18.exe

windows7-x64

10

a8937459ce...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    145s
  • 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, 23:02

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General

  • Target

    a8937459ce0560ecc55303bbab71abb9_JaffaCakes118.exe

  • Size

    320KB

  • MD5

    a8937459ce0560ecc55303bbab71abb9

  • SHA1

    710c1863b332b87183ec604ef377114422ca68bd

  • SHA256

    5179eba9982756372cfe547edd27acfefa11d23546d019a2231e46e25ba408a2

  • SHA512

    cb17238daa220ed0c83a382eadcb0a7888ba795a7e3bdcb121f239501d9a4abff737b54cc366c9f72d6adcf774f0cfa3e553e24a001b07f3f170e0349621aae3

  • SSDEEP

    6144:Py/a5/nn/NbYl/a+fCf8SLJOIrhTyMMGRxFF:6/aNn/NH+qL8nMMsXF

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\a8937459ce0560ecc55303bbab71abb9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a8937459ce0560ecc55303bbab71abb9_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:424
    • C:\Users\Admin\joaolax.exe
      "C:\Users\Admin\joaolax.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:2180

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

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

          320KB

          MD5

          e8d285d343edc82bae0418874e72c49f

          SHA1

          39568532c5e22adecd9d255f5e9753fae9081013

          SHA256

          59739ba825ad7a2a06fb5b97fac3a3e5542caf7091dc66f8d3a7615f9b9760c9

          SHA512

          028048a56ed9c2e31a8400122d00a522b7b9efe941b5190e4bc9163852f987ce900d6365b3a12f9c0ea1a39fee435086be78b7cb822d95884643491c5ebb463a

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