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Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/08/2024, 10:21

General

  • Target

    aedb20ea55c26ee18ce4883090613236_JaffaCakes118.exe

  • Size

    156KB

  • MD5

    aedb20ea55c26ee18ce4883090613236

  • SHA1

    df40982d37ace39c19c7fffd368b75782961ca2c

  • SHA256

    33e5ecd1521f516eca96da39623c291ec4632d1909ddbdf517f1abcd22fc7911

  • SHA512

    073d233ecc9c78aa18755a92daaf034f5042bc0e9b724e4cd657376ba7ce0aef7b5bad828961bf9346d9df771e9b8e6e3cb007c122c644c5b1662235a5938d5a

  • SSDEEP

    3072:gLySkYWrO0VctCPmJIHE+gRyRSIuznLstk4oQZiER6TWMIRJ:T8GPctCrEaRQLpWP6TWMu

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 51 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\aedb20ea55c26ee18ce4883090613236_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\aedb20ea55c26ee18ce4883090613236_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:1664
    • C:\Users\Admin\maemouj.exe
      "C:\Users\Admin\maemouj.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:4652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\maemouj.exe

    Filesize

    156KB

    MD5

    d7c7d3aa9bac661ab1c56dd4aec902e4

    SHA1

    8aa5608bfe7c5c72e317d01397ee7773671a7d10

    SHA256

    68f7cc3863f0b35542fcae5f01809d0c98a99ad572932912869e6641a2e658b0

    SHA512

    df2223bfbc8c2db261498cfab618c23e8ff5ec2fe69c928491192231b53a77c9990968b4268e311a936e60bca3dc24a8cc215d5166fe26902c03c65ebfce3934