Overview

overview

10

Static

static

3

81c4f9963d...18.exe

windows7-x64

10

81c4f9963d...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    3s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 21:08

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General

  • Target

    81c4f9963dd2099915fd4e6f54dad969_JaffaCakes118.exe

  • Size

    64KB

  • MD5

    81c4f9963dd2099915fd4e6f54dad969

  • SHA1

    f155b91ef95f08884e01e81d3938d8fb1bece37e

  • SHA256

    aca81d6f1061a026df786c014c6599faf8bb77bdba7c7ecf902aed5cb3940541

  • SHA512

    042ec8438e47a6b7b95122abed3b7f10537aba1995f4bacf7067a155257107638f654e68a03ae0a807ce9a2b04f0af6ee0bc6fd02be105042d11602a5986f2f4

  • SSDEEP

    768:7XK1Jsz/2COCKvxPD3WDKaZbO0lBo+fKpxcP60BPYXcgIufVXHo+DNXK:rOJsz/2HCKvRLUipy9BPkcgIutXfDZ

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
    persistence
  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
    evasion
  • Disables RegEdit via registry modification 3 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81c4f9963dd2099915fd4e6f54dad969_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81c4f9963dd2099915fd4e6f54dad969_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Disables RegEdit via registry modification
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe C:\Users\Admin\AppData\Local\Temp\81c4f9963dd2099915fd4e6f54dad969_JaffaCakes118
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2036
    • C:\Windows\10.1.08.exe
      C:\Windows\10.1.08.exe first
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\1o.1.o8.exe
        C:\Windows\1o.1.o8.exe first
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Disables RegEdit via registry modification
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops autorun.inf file
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2788
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    PID:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • F:\10.1.08.exe
    Filesize

    64KB

    MD5

    81c4f9963dd2099915fd4e6f54dad969

    SHA1

    f155b91ef95f08884e01e81d3938d8fb1bece37e

    SHA256

    aca81d6f1061a026df786c014c6599faf8bb77bdba7c7ecf902aed5cb3940541

    SHA512

    042ec8438e47a6b7b95122abed3b7f10537aba1995f4bacf7067a155257107638f654e68a03ae0a807ce9a2b04f0af6ee0bc6fd02be105042d11602a5986f2f4

    Download Submit

  • F:\autorun.inf
    Filesize

    202B

    MD5

    df3298142cadd966aed043f2e44e841b

    SHA1

    b22111a6e77fe6ec8daea24da5545552ffedd187

    SHA256

    adff5fba26d6f1cd6de55e9c0b32b74bbbf979817eb10aa3f84d9967f53509de

    SHA512

    be89b677613043855003d693dbe924983009647ee47e6dd7eca200fa1ab0c79994e7b2b305edfe48a584ef7187725dbf8d6b78b2f396afcd2ff567a161e34ff0

    Download Submit

  • memory/2252-0-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2252-17-0x0000000001EE0000-0x0000000001EF2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2252-20-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2780-32-0x0000000000430000-0x0000000000442000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2788-33-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3012-34-0x00000000036C0000-0x00000000036D0000-memory.dmp

    Filesize

    64KB

    Download