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Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 08:53

General

  • Target

    fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe

  • Size

    320KB

  • MD5

    fee84a3e918c3cca39ffc118bf5590e3

  • SHA1

    de45b4e4885d2f85a0b584bdfeeb51eda4dd8ae2

  • SHA256

    eb0cfa64be185bba99d30d1c965decfc330d8dca6c89f083a24b550e2c8b9203

  • SHA512

    26d1deca007e21f828f3d9f4b80ad6fcc2ff11f92f3a133b8ebbaf7f893d36f384406659979b0452d807784b3273fd0a58c77d3d79e5c079c13117094e5305fa

  • SSDEEP

    6144:Tjcd8YcU72998kF5YHvTD/mstQGE8xl0qHEDQD8yu:Ed3yxW3/msv9hu

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2948 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\fee84a3e918c3cca39ffc118bf5590e3_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\upjawyva.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2948
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2572
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:2472
      • C:\Users\Admin\AppData\Local\upjawyva.exe
        C:\Users\Admin\AppData\Local\upjawyva.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\upjawyva.exe

    Filesize

    320KB

    MD5

    fee84a3e918c3cca39ffc118bf5590e3

    SHA1

    de45b4e4885d2f85a0b584bdfeeb51eda4dd8ae2

    SHA256

    eb0cfa64be185bba99d30d1c965decfc330d8dca6c89f083a24b550e2c8b9203

    SHA512

    26d1deca007e21f828f3d9f4b80ad6fcc2ff11f92f3a133b8ebbaf7f893d36f384406659979b0452d807784b3273fd0a58c77d3d79e5c079c13117094e5305fa

  • memory/2756-19-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-21-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-26-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-25-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-24-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-23-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-11-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-14-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-13-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-18-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2756-15-0x0000000000350000-0x0000000000352000-memory.dmp

    Filesize

    8KB

  • memory/2756-20-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2948-0-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2948-2-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2948-1-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2948-6-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB

  • memory/2948-5-0x00000000002D0000-0x00000000002D2000-memory.dmp

    Filesize

    8KB

  • memory/2948-4-0x0000000001000000-0x00000000010FB000-memory.dmp

    Filesize

    1004KB