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Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    27/06/2024, 15:55

General

  • Target

    169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe

  • Size

    400KB

  • MD5

    169aefdfb2b57368e59a017663a385a3

  • SHA1

    5d5718b2417ae13c38932d26510c9c23c92a535c

  • SHA256

    b30c3fdf4e6b300d6babac968c9cf0ec683c8a3d31dfb59266dd08c7191e857b

  • SHA512

    d8ed78d33157b14f10278d8bcff0bc3190e85ccc22a9d1297fd3dd3134569a7da22ea42e16f9786d20a74987c8bb955aec0512f436c23653feb373ff8b3839a7

  • SSDEEP

    6144:BFc36uqC4KlaB0biKdo/PQxlHRQ5jNzzGM2Y0Sjqfh:duq30iKdo/wWxN6Ydjqfh

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2172 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\169aefdfb2b57368e59a017663a385a3_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\vfvxnjt.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2172
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1720
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:2628
      • C:\Users\Admin\AppData\Local\vfvxnjt.exe
        C:\Users\Admin\AppData\Local\vfvxnjt.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\vfvxnjt.exe

    Filesize

    400KB

    MD5

    169aefdfb2b57368e59a017663a385a3

    SHA1

    5d5718b2417ae13c38932d26510c9c23c92a535c

    SHA256

    b30c3fdf4e6b300d6babac968c9cf0ec683c8a3d31dfb59266dd08c7191e857b

    SHA512

    d8ed78d33157b14f10278d8bcff0bc3190e85ccc22a9d1297fd3dd3134569a7da22ea42e16f9786d20a74987c8bb955aec0512f436c23653feb373ff8b3839a7

  • memory/2172-0-0x00000000002B0000-0x00000000002B2000-memory.dmp

    Filesize

    8KB

  • memory/2172-1-0x0000000001000000-0x00000000010B4000-memory.dmp

    Filesize

    720KB

  • memory/2172-2-0x0000000001000000-0x00000000010B4000-memory.dmp

    Filesize

    720KB

  • memory/2172-5-0x0000000001000000-0x00000000010B4000-memory.dmp

    Filesize

    720KB

  • memory/2860-11-0x0000000001000000-0x00000000010B4000-memory.dmp

    Filesize

    720KB