Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2024 01:26

General

  • Target

    04bd8b1e08e04f5ff2482376b514b77e_JaffaCakes118.dll

  • Size

    409KB

  • MD5

    04bd8b1e08e04f5ff2482376b514b77e

  • SHA1

    9a0326fd98d95a739f323fa10bf70915a247a83d

  • SHA256

    588674efc38299862beb0527dd6ec5b26b39bd1382bdc8e80539417a17344864

  • SHA512

    2049467f25c130f11128273b7cd6fe96f2de94dcc5d9144eaf5f969fe124f77076533d4e1a9d4da161737564878b1d9f28cb75f5b73748a244fbffecdf515931

  • SSDEEP

    6144:osSJutgjpvxLZSwuxz7IQW8dMnhARTVbNwTGFSAOjWfLKRRo2KKu95NVBoowc:osOegjvc7VIQMnhmbNwYOjoT5NV2lc

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\04bd8b1e08e04f5ff2482376b514b77e_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4840
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\04bd8b1e08e04f5ff2482376b514b77e_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: RenamesItself
      PID:1500
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4312,i,4686244434963378549,11462511444150484980,262144 --variations-seed-version --mojo-platform-channel-handle=4168 /prefetch:8
    1⤵
      PID:3804

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1500-0-0x0000000000800000-0x0000000000915000-memory.dmp

      Filesize

      1.1MB

    • memory/1500-21-0x0000000000800000-0x0000000000915000-memory.dmp

      Filesize

      1.1MB