Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-06-2024 17:22

General

  • Target

    aae3437826361e72e932c22c5f63cd4d_JaffaCakes118.exe

  • Size

    955KB

  • MD5

    aae3437826361e72e932c22c5f63cd4d

  • SHA1

    f7369ab8c45664c463c672d39a78da3213b7cea3

  • SHA256

    80b8f61fd6a9d4ef0aec1db74258b10cbf1d00ff05f7007962d2859f082a68ab

  • SHA512

    6da566349f51453354301c8f1739c973d06515f00da8f44c4aad4df61d9cb8a1ff3f5ca14eb922ee72c7f38727ddebf974dea49de6e07c7c8d9656bbf947ca7e

  • SSDEEP

    24576:SX48QE+Ul876dNhofAFC9KTBMt+yavz1b/yO7TTB/h7Amo:SXz+9WD4PKTBMt+yw1b/DVDo

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 54 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aae3437826361e72e932c22c5f63cd4d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\aae3437826361e72e932c22c5f63cd4d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
        3⤵
        • Drops file in Drivers directory
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Sets desktop wallpaper using registry
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies Control Panel
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4372
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\XKLFV.bat" "
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1704
          • C:\Windows\SysWOW64\chcp.com
            chcp 1251
            5⤵
              PID:3832
    • 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=4356,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=3884 /prefetch:8
      1⤵
        PID:4568

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\XKLFV.bat

        Filesize

        195B

        MD5

        4343077478fac5fe1568dbd16b958427

        SHA1

        b339f72779c56d98328480f689f677bf3cc610bc

        SHA256

        183cf19a760301864875b47d956f111b6faa1e7c5139f6881aeb1eae4ee3e5a7

        SHA512

        0ebd55dfd92a0e0d21c0d8ed3ddde6881084793609b3a7520c2eb78b52d63cda5ccbb5e4aab50adb514ec3771503ba8880005021865d1362d9097d645c55d585

      • C:\Users\Admin\AppData\Local\Temp\svchost.exe

        Filesize

        421KB

        MD5

        04570aca8e3c6d50c63df19d7716fafb

        SHA1

        33dce47cbc7f76f971d64d1f3b893fac702047e6

        SHA256

        dfd333a159c6ba2160bbda110c36f8a2b0ea03ba34b7b95743cfe7e63b066088

        SHA512

        34793b8c20000f84e4d517b82bfde8e23e4c7da688451777dea16d174a375e71f9929a6e7d768e9d5cbf19cc64c0a606e7fc370e131bedf9ce94e36f58ed262a

      • memory/4372-24-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/4372-22-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/4372-25-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/4372-26-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/4372-28-0x0000000004B90000-0x0000000004B91000-memory.dmp

        Filesize

        4KB

      • memory/4372-27-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/4372-518-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/4372-1457-0x0000000000400000-0x000000000049B000-memory.dmp

        Filesize

        620KB

      • memory/4888-20-0x0000000000400000-0x0000000000433000-memory.dmp

        Filesize

        204KB