Analysis

  • max time kernel
    92s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 21:18

General

  • Target

    259a2193c3ce76e46361ad1b99688f08_JaffaCakes118.exe

  • Size

    43KB

  • MD5

    259a2193c3ce76e46361ad1b99688f08

  • SHA1

    b8be477a04143f6fb5d790e0f3c5706a060332dc

  • SHA256

    fedc3ece4fc895c9bbed233531937781c182be556c4a9ea003889f5743f0a3d6

  • SHA512

    9b63d7fabeab00d51dc8bd2411640c2435f6e228ccb54d6d1acc3c30aaa09436bf1f12f1566cb6c2911bb2be378f9bf19d75a72b3aa98144afae7d01c4470059

  • SSDEEP

    384:QnXrUNkGby2m9L0puXgnmF5FtIpQp6ct95s5crwKwKcPSL8TCdnDquCKAkxsVjg1:Q7GkGby2mSpbmF+YtZwKUSxdDm9l8353

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • UPX packed file 5 IoCs

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

  • Drops file in Windows directory 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.

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\259a2193c3ce76e46361ad1b99688f08_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\259a2193c3ce76e46361ad1b99688f08_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\259A21~1.EXE >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Fonts\vds9ae5G5FmED.fon

    Filesize

    16KB

    MD5

    33803ff30f2d11c5bc58d46cd86a3e0a

    SHA1

    d8e23b43025226d1356148a9ffe7f6ffa7d6a1b0

    SHA256

    1fd1314332cce0331ee7d26e772044ffc7f13bdf345f653cd27c112c0368d442

    SHA512

    388111b0ee74725b6c509b6e8dea52891d8a5a6ff82e6329e6426322cd6663b63199d29211143d5c0ce2937c4500cd783e61b9cf384f2e3daa068f5e892e048e

  • memory/3052-0-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3052-5-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB

  • memory/3052-8-0x0000000010000000-0x0000000010010000-memory.dmp

    Filesize

    64KB

  • memory/3052-9-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB