Overview

overview

10

Static

static

1

ea829c4279...18.exe

windows7-x64

10

ea829c4279...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 03:35

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General

  • Target

    ea829c427915ddadcdc98b591f5bb953_JaffaCakes118.exe

  • Size

    389KB

  • MD5

    ea829c427915ddadcdc98b591f5bb953

  • SHA1

    c1eee86318339cabb2342e32add85cdec20fcf26

  • SHA256

    48a9857970747da03168b43c0913a2d65e6b6ed4419c6a0336beafb4f2b0bfd8

  • SHA512

    1399d57e92ff42330c4096ecc3d4a7953e0f38075a992afd6ba42480f16ac3e6da868bc524f8bb4e7d436e35f6d1c44dbd6f925177288ba70ac74de3eb1c56db

  • SSDEEP

    12288:bCBigWIseC7QUyxBUeMaya/r2/XqCF7IYveKnM:bCuI7C8Uy/UWCXqCF7IYRM

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Disables Task Manager via registry modification
    evasion
  • Drops file in Drivers directory 52 IoCs
  • Manipulates Digital Signatures 2 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • UPX packed file 11 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 19 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 2 IoCs
    evasion
  • Views/modifies file attributes 1 TTPs 3 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea829c427915ddadcdc98b591f5bb953_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ea829c427915ddadcdc98b591f5bb953_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1660
    • C:\ProgramData\mNapNprtKQL.exe
      C:\ProgramData\mNapNprtKQL.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Maps connected drives based on registry
      • System Location Discovery: System Language Discovery
      • Modifies Control Panel
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2592
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\Users\Admin\*.*" /s /d
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1684
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\ProgramData\Microsoft\Windows\Start Menu\*.*" /s /d
        3⤵
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2016
      • C:\Windows\SysWOW64\attrib.exe
        attrib +h "C:\*.*" /s /d
        3⤵
        • Drops file in Drivers directory
        • Manipulates Digital Signatures
        • Drops desktop.ini file(s)
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1912

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • \Program Files\Google\Chrome\Application\chrome.exe
    Filesize

    2.8MB

    MD5

    095092f4e746810c5829038d48afd55a

    SHA1

    246eb3d41194dddc826049bbafeb6fc522ec044a

    SHA256

    2f606012843d144610dc7be55d1716d5d106cbc6acbce57561dc0e62c38b8588

    SHA512

    7f36fc03bfed0f3cf6ac3406c819993bf995e4f8c26a7589e9032c14b5a9c7048f5567f77b3b15f946c5282fc0be6308a92eab7879332d74c400d0c139ce8400

    Download Submit

  • \ProgramData\mNapNprtKQL.exe
    Filesize

    389KB

    MD5

    ea829c427915ddadcdc98b591f5bb953

    SHA1

    c1eee86318339cabb2342e32add85cdec20fcf26

    SHA256

    48a9857970747da03168b43c0913a2d65e6b6ed4419c6a0336beafb4f2b0bfd8

    SHA512

    1399d57e92ff42330c4096ecc3d4a7953e0f38075a992afd6ba42480f16ac3e6da868bc524f8bb4e7d436e35f6d1c44dbd6f925177288ba70ac74de3eb1c56db

    Download Submit

  • memory/1660-15-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

    Download

  • memory/1660-10-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download

  • memory/1660-12-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download

  • memory/1660-14-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download

  • memory/1660-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1660-2-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

    Download

  • memory/2592-8-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download

  • memory/2592-7-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download

  • memory/2592-9-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download

  • memory/2592-25-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download

  • memory/2592-33-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download

  • memory/2592-35-0x0000000000400000-0x0000000000479000-memory.dmp

    Filesize

    484KB

    Download