Analysis

  • max time kernel
    97s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 13:46

General

  • Target

    fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe

  • Size

    8KB

  • MD5

    fea77c090ec7b99389bac2d303a65c89

  • SHA1

    12a95751ba64d051b22043c8c4fc73e8ada08398

  • SHA256

    629b372151bb4d904de33244a5452d76d9d427847c2b287cc6d6f9c9554b81ad

  • SHA512

    8c3ef427880bd05885069349bdf67d3ff540b20a95d13ecbf7d4dacc3d0d88bdd3eb216aba520f0e9fc5bb11e5d5c0d91214692a2a53eeefe59a27bf135e6dc1

  • SSDEEP

    96:ziqFuUZ5AOPawy5/gKATMpxfNy2OM3uwMh/eB1eJj5l5rh4pi6fINYaqkGObt4Z:WqB/Aaby5/gApxlPNLaVdh4YtJJtbY

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 2 IoCs

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

  • 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 Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fea77c090ec7b99389bac2d303a65c89_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3180
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3180 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    d08423737246250d0c3c50ea390cd1c4

    SHA1

    5b48dab1d90ac5357dafd6ad8b6990da92aaf75a

    SHA256

    7714ff60052145ab9a2bdd947fbbec0572c02389256b2db314f2670764862789

    SHA512

    67f5c7e7078f4fb5216b91b31e6b38c5497324413f8fc79cd662cad952a808453289b3ef2226fa377812bfc93697f11e5d6e064dc0e5f80b1a6b15dc516eb10e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    cef4ea0ce7b56ec625b5d27d679b3ce7

    SHA1

    193adda8f6c6c06148768999a3de1a6f752c07fc

    SHA256

    5c6fcbb3ec372a96abb0ef208d64ed792f72d7195d71188c53ea1adfd8254933

    SHA512

    dcb7a635e847796abee079c856717e7b5a7c414fbd503bb102ea34c60031db33fc3767b895f4abc888e817ea8ff35c51e8f8af4f759982e17d25ef580143050c

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NUB8HZ4Z\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/4976-0-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4976-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB