Windows 7 deprecation

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Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09/08/2024, 22:45

General

  • Target

    83d988412759c3d15d1c0dd78b20ea0b_JaffaCakes118.exe

  • Size

    44KB

  • MD5

    83d988412759c3d15d1c0dd78b20ea0b

  • SHA1

    b4dc9d8088486d16a2b1f21313f76573a0cc4325

  • SHA256

    34ce7583b1c95bebe5e86356db792b740a084bc330f2804d56375eda9e200317

  • SHA512

    6b5352f4624915345e14b8a94a617da4b42fd6d6a37f992435a144312f06bfebd8c4b05e349168e5416f435590a06e41eb871e61c95536c651fe3f191e1c4e93

  • SSDEEP

    768:W/5VQjqRCff6oMpLV50+6c8cc8MeXkQ8vQqaRpsjQA+O:M3RCff6oMf2+6lccEXNqaRpuQA+O

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83d988412759c3d15d1c0dd78b20ea0b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\83d988412759c3d15d1c0dd78b20ea0b_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Users\Admin\Admin1\winlogon.exe
      "C:\Users\Admin\Admin1\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Admin1\winhelp32.exe

    Filesize

    114B

    MD5

    e89f75f918dbdcee28604d4e09dd71d7

    SHA1

    f9d9055e9878723a12063b47d4a1a5f58c3eb1e9

    SHA256

    6dc9c7fc93bb488bb0520a6c780a8d3c0fb5486a4711aca49b4c53fac7393023

    SHA512

    8df0ab2e3679b64a6174deff4259ae5680f88e3ae307e0ea2dfff88ec4ba14f3477c9fe3a5aa5da3a8e857601170a5108ed75f6d6975958ac7a314e4a336aed0

  • \Users\Admin\Admin1\winlogon.exe

    Filesize

    44KB

    MD5

    83d988412759c3d15d1c0dd78b20ea0b

    SHA1

    b4dc9d8088486d16a2b1f21313f76573a0cc4325

    SHA256

    34ce7583b1c95bebe5e86356db792b740a084bc330f2804d56375eda9e200317

    SHA512

    6b5352f4624915345e14b8a94a617da4b42fd6d6a37f992435a144312f06bfebd8c4b05e349168e5416f435590a06e41eb871e61c95536c651fe3f191e1c4e93