Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 03:45

General

  • Target

    1f68adffbf66a64fc351fbc3fba34e32_JaffaCakes118.exe

  • Size

    45KB

  • MD5

    1f68adffbf66a64fc351fbc3fba34e32

  • SHA1

    fef394ad887006a63f432de88b54d2949dc7b5d9

  • SHA256

    adecdd10277b7b26fffa3abf27b89b5867a6ddbed9f4bd88b335203c146b5f1e

  • SHA512

    6314d48bde39798fce59be6395f2e5aa70edc09fe42e8d8d3f832c61e8eae4904ef03557cd5f11a43f6b6cee1bcf1af88ab9323ef1fb54c6ac2bf1446e3219d8

  • SSDEEP

    384:xp4eMlp2Cz0jpqWnBGJhMYbVBnQwxVfzd4zfVPmpzCA44oSduhp/4oHxZUtO4f5x:rZu2fGnDbVBrxVGWud4PQ9Vd4f54A

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 1 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1f68adffbf66a64fc351fbc3fba34e32_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1f68adffbf66a64fc351fbc3fba34e32_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3612
    • C:\WINDOWS\system.exe
      "C:\WINDOWS\system.exe" 0
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\system.exe

    Filesize

    45KB

    MD5

    e6706866e0dbc6f5f1ad34efc72cd724

    SHA1

    0c663fa968cce96d4ca8af5315b72f7b609e86ba

    SHA256

    f34de3b2fff510296dcff7a95ec17fbcf22d81de47e716d8c4b6deb32a60f8d7

    SHA512

    6943c74b8c59e3b4f847b917338c39472225f313d3f13d38688fcc21b4e9a7401cb34846766c9974e6ef60e2466dab3a930bdf1feae932f99cdd423c73326bc2

  • memory/2636-17-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3612-0-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/3612-15-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB