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Analysis

  • max time kernel
    141s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 01:11

General

  • Target

    eec988d2c45a12b5ad30e59b9dffbf62_JaffaCakes118.dll

  • Size

    165KB

  • MD5

    eec988d2c45a12b5ad30e59b9dffbf62

  • SHA1

    ba795744d9b9d4bb6c1dcabc19ab9a23d79257c3

  • SHA256

    f03d233f08f685bd506d4ed413c346659bc8ea0e05ed0134c869b6f304713ec4

  • SHA512

    ba45cfd953f8945c516b99f6e71b282b7ac15a17b6e55ab604c50a0959bef7907bc943542769a6a3563f22c811ea316c065b740fd2c4a367af9dec53526aeee3

  • SSDEEP

    3072:IfCxerVTeOpD/etpdK+78LwQSAsAILKNxC9pdMIv42FByb4Cn9UUtpz:Her7D2tpPwcCILKTCTdMIvZC93tp

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
  • Blocklisted process makes network request 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • UPX packed file 7 IoCs

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

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

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

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\eec988d2c45a12b5ad30e59b9dffbf62_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\eec988d2c45a12b5ad30e59b9dffbf62_JaffaCakes118.dll,#1
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Blocklisted process makes network request
      • Drops file in Drivers directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:1920
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
    1⤵
    • Modifies data under HKEY_USERS
    PID:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1920-1-0x0000000010000000-0x0000000010D2E000-memory.dmp

    Filesize

    13.2MB

  • memory/1920-3-0x0000000010000000-0x0000000010D2E000-memory.dmp

    Filesize

    13.2MB

  • memory/1920-5-0x0000000010000000-0x0000000010D2E000-memory.dmp

    Filesize

    13.2MB

  • memory/1920-7-0x0000000010000000-0x0000000010D2E000-memory.dmp

    Filesize

    13.2MB

  • memory/1920-13-0x0000000010000000-0x0000000010D2E000-memory.dmp

    Filesize

    13.2MB

  • memory/1920-15-0x0000000010000000-0x0000000010D2E000-memory.dmp

    Filesize

    13.2MB

  • memory/1920-16-0x0000000010000000-0x0000000010D2E000-memory.dmp

    Filesize

    13.2MB