Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-05-2024 11:51

General

  • Target

    347251943c940494c6e21c268907bbcc_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    347251943c940494c6e21c268907bbcc

  • SHA1

    33ce666e2f40c65f2da041ab22548badf0222be4

  • SHA256

    20f9fc2278fae267ea2b4711b0f043c85aff368faaeed5b0c3c483c11a699925

  • SHA512

    efe7c3a6da3f495322ea32ffa8dc543ff0a39f08164d96b57b372bf234b89165db02fbc87a341c0bfaff0924b4ce2efb2a21b09bea895e62c60160fc9947e914

  • SSDEEP

    6144:Ny9v17kwzX7dthn0+ZZ9394hKTpxU0NRNkEVvh5qEqJ9TB:w97kk7jW+z9t44TpCeRNkq5AzB

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\347251943c940494c6e21c268907bbcc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\347251943c940494c6e21c268907bbcc_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Users\Admin\AppData\Local\Temp\347251943c940494c6e21c268907bbcc_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\347251943c940494c6e21c268907bbcc_JaffaCakes118.exe"
      2⤵
        PID:2940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 872
        2⤵
        • Program crash
        PID:1192
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4376 -ip 4376
      1⤵
        PID:1112
      • 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=4200,i,10373433614523925616,13586256558317053467,262144 --variations-seed-version --mojo-platform-channel-handle=4264 /prefetch:8
        1⤵
          PID:4072

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\nsgEF33.tmp\System.dll
          Filesize

          11KB

          MD5

          ca332bb753b0775d5e806e236ddcec55

          SHA1

          f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

          SHA256

          df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

          SHA512

          2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

        • memory/4376-13-0x00000000026E0000-0x000000000270C000-memory.dmp
          Filesize

          176KB

        • memory/4376-15-0x00000000026E0000-0x000000000270C000-memory.dmp
          Filesize

          176KB